Locust Bulletin January 2017

​​​​​​​ISSN 2204-9851

​​​​​​​​​​​​The Locust Bulletin is produced each month during the spring—autumn period and includes a general summary for each major locust species, details of known distributions with regional forecast an​d maps of locust distributions.​

General situation in December and outlook to March 2017

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Australian plague locust - Chortoicetes terminifera

Locust activity increased in several regions during December as a result of spring breeding and continued migratory activity and redistributions. Medium density adults were identified in Far West and Far Southwest New South Wales and in parts of the Central Highlands and Southwest Queensland. Medium density adults were recorded in northern South Australia in November. Sporadic hatchings occurred in Central West New South Wales following egg laying in November. Several small bands developed in the Trangie–Dubbo area after mid-December, but swarm formation is unlikely to result in January. Widespread rainfall in South Australia, Far West New South Wales, the Central West and parts of Southwest Queensland produced favourable habitat conditions for locust breeding. A summer nymph generation is likely to develop in parts of these regions and an increase in adult numbers will follow in February and March.

Landholders in Central West New South Wales reported hatchings in mid-December and nymphs had reached late instar stages at the end of the month. Reports and surveys identified mostly medium density nymphs, along with several small bands. Hatchings appear to have been limited to the Trangie–Narromine–Collie–Dubbo area. Surveys identified medium density adults throughout the Far West and the Menindee–Ivanhoe area of the Far Southwest region. Only low numbers of adults were identified in the Riverina. Locusts were recorded at the Fowlers Gap and White Cliffs light traps during the second half of December, with high numbers associated with low pressure weather systems.

In Southwest Queensland, medium density adults and occasional late instar nymphs were recorded in southern parts of Barcoo and Diamantina Shires, and consistent medium density adults in Bulloo Shire. Low density adults were identified in Quilpie Shire, the Central West and parts of the Northwest, South Central and Central Highlands regions. Medium density adults and occasional mid-instar nymphs were detected in the Arcadia Valley of the Central Highlands.

In South Australia, medium density adults were recorded in parts of the Northwest and Far North regions in November. Several rainfall events during December, in particular the widespread heavy falls at the end of the month, are likely to have initiated locust breeding. High numbers were caught in the Dulkaninna light trap at that time, indicating a significant breeding population in the Far North region.

Surveys in Northwest Victoria in late December identified only low density adults. Given the generally dry conditions in locust habitats, the population is expected to have remained at a low level in Victoria.

The summer outlook is for a nymph generation developing in areas of western New South Wales, northern South Australia and Southwest Queensland that received heavy rainfall in December. Bands are likely to develop in localised habitat areas during January. The persistence of green habitat conditions will influence survival to fledging and the extent of any swarm formation following fledging in February. The probability of those adults producing a further generation of nymphs in March, and the potential for swarm migrations to agricultural areas in autumn, will depend on the distribution of rainfall in February and early March. There is a moderate risk of significant increases in adult population levels during February, with localised swarm formation and some migrations possible. There is currently a low risk of widespread swarm infestations affecting agricultural areas in several regions during autumn.

6 January 2017

Spur-throated locust - Austracris guttulosa

There is a widespread medium density adult population throughout the Central West, Northwest, Central Highlands and Queensland Gulf regions. Although nymphs were recorded in Queensland as early as October, surveys in November and December indicate that breeding has so far not been widespread. The majority of detected nymph records are from Southwest Queensland. Heavy storm rainfall in the Northwest, Central West, Central Highlands and Gulf regions during December will allow breeding to continue.

Surveys in December identified consistent Scattered–Numerous density adults in Winton, McKinlay, Richmond and Hughenden Shires. Nymphs were only identified in Winton Shire. Dry vegetation prior to December may have limited breeding in areas further north. Egg laying is often triggered by rainfall and the survival of early stage nymphs can be limited in dry conditions. Scattered–Numerous density adults were recorded in Longreach, Blackall-Tambo and Barcaldine Regional Council (RC) areas of the Central West, with early-instar nymphs detected at two locations in Barcaldine RC area. Scattered–Numerous density adults were identified throughout the Central Highlands in early December, with early instar nymphs detected at one location. Adults were recorded at Isolated–Scattered densities in the Southwest and South Central regions.

Scattered–Numerous density adults were identified in Quilpie Shire of Southwest Queensland and Isolated–Scattered densities in Barcoo and Diamantina Shires, along with Present density nymphs at various development stages. Isolated density adults were identified in the Far North region of South Australia and Isolated–Scattered density adults in the Brewarrina–Carinda area of northern New South Wales. Previous surveys in November identified an increase in adult numbers to Scattered–Numerous densities in Paroo and Murweh Shires. These were likely to have redistributed from populations further north.

Wet season storm rains in the Northwest, Central West, Central Highlands and Queensland Gulf regions during December will produce favourable habitat conditions for further breeding. Females can lay multiple times during summer. Egg development to hatching in this species takes 3–4 weeks and nymph development a further 8–10 weeks. An increase in nymph numbers is therefore likely in February. However, the probability of a large increase in overall population level during 2016–17 has declined.

Migratory locust - Locusta migratoria

Surveys in early December identified low numbers of adults in the southern Central Highlands and northern Maranoa Regional Council areas. Isolated density adults were recorded in the Emerald–Springsure and Injune areas. Scattered density adults were recorded at one location in the Arcadia Valley.

Rapid population increases can occur in the Central Highlands, eastern Central West and South Central regions of Queensland. Rainfall during December will produce favourable habitat conditions for continued breeding during the remainder of summer. Small gregarious populations could develop in localised areas of the Central Highlands, but there is a low probability of widespread gregarious populations developing during summer.

It is important that any locust activity be reported as soon as possible to your local biosecurity authority, primary industries department or to the commission. A toll–free call to the APLC can be made on 1800 635 962. An answering machine is attached for after–hours calls. Reports can also be e–mailed to APLC or made through the internet at Australian Plague Locust Commission.

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Australian plague locust distribution 30 November to 31 December 2016

Map of Australian plague locust distribution 30 November to 31 December 2016 

Situation in December and forecast to March 2017

New South Wales

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Central West and Northwest Plains
Central West, Northwest and Central Tablelands Local Land Services

Locusts and conditions

  • Hatching of eggs laid after mid-November rains commenced in mid-December in the Trangie–Dubbo area of the Central West region. The heavy rainfall in mid-December maintained suitable vegetation conditions for nymph development.
  • Adult numbers declined to low densities by mid-December in those areas of the Central West where medium–high densities were recorded in November. However, egg laying in November resulted in hatchings in areas around Narromine. Following reports from landholders in the Trangie–Narromine–Collie–Dubbo area, LLS and APLC staff identified medium density early instar nymphs from 12 December. By 23 December, small mid-instar Bands had been identified on several properties. Further reports of Band density nymphs were received from the Trangie-Narromine area in late December.
  • High density hatchings appear to be restricted to the Trangie–Dubbo area, but low density nymphs are likely to be more widespread in the Central West LLS. The Peak Hill–Parkes, Gilgandra–Mendooran and Wellington–Cumnock areas also received heavy rainfall in mid-November, which could have supported sporadic egg laying.
  • APLC surveys of the Condobolin–Trundle area in early December identified very few locusts, while in the Lake Cargelligo district Scattered–Numerous density adults were recorded near Euabalong. Only Isolated–Scattered density adults were recorded in the Narromine–Tottenham and Warren–Nyngan areas in mid-December.
  • There was patchy light–moderate rainfall (<20–40 mm) in eastern parts of the Northwest LLS during the second and third weeks of December. There was widespread moderate–heavy rainfall (20–>40 mm) in the Central West and Central Tablelands LLS during 15-22 December, with local falls up to 100 mm in parts of Central West LLS. There was further localised storm rainfall at the end of the month. Pasture vegetation is now green in most areas.

Forecast

  • Nymphs will commence fledging in the second week of January and reports of some later hatchings indicate that fledging could continue for several weeks. Regional adult numbers will increase to medium densities. Limited swarm formation is possible in the Trangie–Dubbo area, but young adults are likely to disperse within the region.
  • Some sporadic laying was possible in areas that received heavy rainfall in mid-December, but given the low adult densities at that time, this would produce mostly low density nymphs in early January. Adults from the Brewarrina area could have moved into the Walgett or Moree districts in late December and laid eggs in areas that received moderate rainfall. There is the potential for a January nymph cohort in parts of the Central West and Northwest LLS areas during January, with fledging commencing in late January.
  • There is a low probability of significant immigration from other regions during January, but the probability will increase in February and March.

Risks

  • There is a low risk of widespread infestations developing during summer, but an increase in adult densities is likely in parts of the Central West during January.

Riverina
Riverina and Murray Local Land Services

Locusts and conditions

  • Locust population level remained low in surveyed areas during December.
  • Surveys in mid-December identified only occasional Isolated density adults in the Hay, Griffith and Hillston districts. No locusts were detected in the Deniliquin or Moulamein districts.
  • There was light–moderate rainfall (<20–40 mm) in the eastern part of the region during mid-December, with heavy falls (>40 mm) in the Narrandera and Wagga districts. There were further, patchy light–moderate falls in the last week of the month. Residual soil moisture has maintained perennial summer grasses and a further growth response is expected in eastern areas.

Forecast

  • Although recorded adult numbers were very low, the rainfall in mid-December is likely to have initiated some local breeding. Low–medium density nymphs could develop during January in the Narrandera, Griffith or Hillston districts and a subsequent moderate increase in adult numbers is possible during February.
  • There is a low probability of significant immigration from other regions during January, although low numbers could move from the Central West. The likelihood of immigration will increase in February and March as adult populations increase in regions of western NSW.

Risks

  • There is a low risk of a widespread regional infestation developing during summer.

Far West and Far Southwest
Western Local Land Services

Locusts and conditions

  • Locust numbers increased to medium density in the Far West in December and light traps indicate nocturnal migratory activity during the second half of the month. Widespread rainfall in mid-December and further falls at the end of the month produced suitable conditions for locust breeding.
  • Surveys of the Broken Hill, White Cliffs, Wilcannia, Milparinka, Tibooburra and Wanaaring districts in early December identified Scattered–Numerous density adults in most habitat areas. Young adults were recorded in the Cobham area and Present density mid-instar nymphs were detected at one location near Fowlers Gap.
  • Surveys in mid-December identified Isolated–Scattered density adults in the Bourke–Tilpa and Cobar areas. There were Scattered-Numerous density adults in the Brewarrina area, with Numerous density gravid adults recorded for 25 km along the roadside north of Brewarrina.
  • Surveys of the Far Southwest region in mid-December identified Scattered density adults in the Menindee area, Scattered–Numerous densities in the Ivanhoe–Mossgiel and Garnpung areas, and Isolated density adults in the Balranald and Wentworth districts. Present density fourth instar nymphs were detected in the area north of Balranald.
  • The population that developed in the area south of Broken Hill in spring was monitored during December. Adult numbers declined to Scattered density in mid-December, but there were residual late instar and Numerous density second instar nymphs in a few locations. These indicate that sporadic egg laying occurred in the area during November.
  • The White Cliffs light trap recorded locusts during 18–25 December, with 125 on 20 December. The Fowlers Gap light trap recorded high numbers during the second half of December, with >1000 caught on 30 and 31 December. The highest counts were associated with low pressure weather systems that would not have resulted in long-distance displacements and are therefore likely to represent the aggregation and redistribution of the regional population. However, some exchange migration with adjacent areas of South Australia was possible during the period. High numbers of locusts were also reported from Floods Creek, near Fowlers Gap, and at Cameron Corner in late December.
  • There was light–moderate rainfall (<20-40 mm) in the Cobar, Wanaaring, White Cliffs, Tibooburra, Broken and Ivanhoe districts during 8–16 December, with some localised heavy falls up to 80 mm. There was further localised light-moderate rainfall in the Broken Hill, Tibooburra and Balranald districts during the last week of December. Pasture vegetation is green in some habitat areas.

Forecast

  • Widespread rainfall in the Far West in mid-December produced favourable vegetation and soil conditions for locust breeding in areas north of Broken Hill. Adults are likely to have aggregated to areas of high rainfall and swarm egg laying was possible in some areas. This is likely to produce a localised nymph generation, with hatching commencing in early January. Bands are likely to develop in some locations. Further rainfall on the western edge of the region in late December provided another opportunity for swarm egg laying in wet soils, which could produce a later nymph cohort hatching in localised areas from mid-January.
  • The adult population level will increase in February, with the possibility of some swarm formation in parts of the Far West region.
  • The probability of migrations to adjacent regions, and from northern South Australia or Southwest Queensland will increase in late February and March.

Risks

  • There is a moderate risk of localised high density nymphs developing in parts of the Far West region during January, and of an increased adult population level with localised swarm formation in February.

All locust activity should be reported to your Local Land Services or the Department of Primary Industries, NSW. A toll-free call to the APLC can be made on 1800 635 962. An answering machine is attached for after-hours calls. Reports can also be e–mailed to APLC or sent through the web page at Australian Plague Locust Commission.

Queensland

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Southwest
Barcoo, Bulloo, Quilpie and Diamantina Shire

Locusts and conditions

  • Adult population levels remained at medium densities in surveyed areas of the region during December, following fledging of the October nymph generation. Rainfall in mid-December and more localised storm rainfall at the end of the month has produced favourable habitat conditions for locust breeding.
  • Surveys in early December identified consistent Scattered–Numerous density adults in Bulloo Shire and Isolated–Scattered densities in Quilpie, Barcoo and southern Diamantina Shires. Residual Present density late instar nymphs were detected at several locations in the Birdsville–Betoota and Arrabury areas.
  • The Birdsville light trap recorded 110 locusts on 6 December and low numbers on several other nights. No locusts were recorded at the Nooyeah Downs light trap.
  • There was light–moderate rainfall (<20-40 mm) in Bulloo and Quilpie Shires during 8–15 and 16–22 December, with localised heavy storms (>40 mm). There was further localised storm rainfall (20-40 mm) mm) in southern Barcoo and Bulloo Shires during the last week of the month. There is green vegetation in areas that received moderate–heavy rainfall.

Forecast

  • The rainfall in mid-December is likely to have resulted in population aggregation and egg-laying in parts of Bulloo and Quilpie Shires. Eggs laid after mid-December rains will hatch in the first half of January. Most nymphs are likely to develop at low–medium densities, with the possibility of localised Bands in locust habitat areas. Fledging of surviving nymphs will follow in late January and a significant increase in adult numbers is likely in February, with localised swarm formation possible.
  • Localised high density egg laying may also have followed the late December rains in the southwest corner of the region. Hatching will follow in mid-January and fledging in mid-February.
  • There is a low probability of immigration to this region or significant emigration to adjacent regions during January, but the migration risk will increase in February and March.

Risks

  • There is moderate risk of a nymph generation developing in Bulloo and Quilpie Shires during January and of increased adult numbers, with localised swarm formation possible, in February.

Central West & Northwest
Longreach, Barcaldine and Blackall-Tambo Regional Council. Boulia, Cloncurry, Flinders, Mckinlay, Mt Isa, Richmond and Winton Shire

Locusts and conditions

  • The locust population remained at a generally low level in surveyed areas during December.
  • Limited surveys in the Central West in mid-December identified Isolated–Scattered density adults in Longreach and Barcaldine Regional Council (RC) areas. In the Northwest region, Isolated–Scattered density adults were recorded in Winton Shire and only occasional adults in Richmond and McKinlay Shires. No nymphs were detected during surveys.
  • The Longreach light trap did not record locusts during December.
  • There was localised moderate–heavy storm rainfall (20->40 mm) in the northern shires of the Central West and Northwest regions during the first half of December. Parts of Winton and Boulia Shires received moderate rainfall (20-40 mm) during mid-December. Longreach, Blackall-Tambo and Barcaldine RC areas received moderate–heavy (20->40 mm) during the second and third weeks of December. Pasture vegetation is becoming green in areas that received heavy rainfall.

Forecast

  • Locust population levels are expected to remain generally low in these regions during January.  Breeding by the local population in response to rainfall is likely to result in localised, low–medium density nymphs during January, and a moderate increase in adult numbers in February. However, heavy rainfall in mid-December could have initiated some sporadic higher density egg laying and Bands could develop in limited areas of the Northwest and Central West region during January.
  • There is a low probability of significant immigration during January or February.

Risks

  • There is a low risk of a widespread regional infestations developing during summer.

Central Highlands
Central Highlands and Isaac Regional Council

Locusts and conditions

  • Surveys detected a moderate increase in locust population level in the Central Highlands Regional Council area in early December.
  • Isolated–Scattered density adults were identified in the Springsure–Buckland and Arcadia Valley districts. Numerous density adults and Present density mid-instar nymphs were detected at one location in the Arcadia Valley. Only Isolated density adults were recorded in other parts of the region.
  • There was moderate–heavy rainfall (20->40 mm) in the region during 8–15 and 16–23 December.

Forecast

  • Rainfall during December has provided favourable vegetation and soil conditions for locust breeding.  This is likely to maintain the low overall regional population density in most areas, but there is a potential for a local population increase in the Arcadia Valley.
  • There is a low probability of immigration from other regions during summer.

Risks

  • There is a low risk of a widespread infestation developing during summer.

South Central & Darling Downs
Balonne, Murweh and Paroo Shire. Maranoa, Western Downs and Goondiwindi Regional Council

Locusts and conditions

  • Limited survey indicates locust population levels remained generally low during December.
  • Surveys of the Roma–Mitchell area identified Isolated–Scattered density adults and occasional Present density mid-instar nymphs.
  • There was light–moderate rainfall (<20-40 mm) in the western parts of the region during 9–16 December and in eastern areas during 17–24 December. Pastures remain generally dry in many areas.

Forecast

  • Any local breeding during January is likely to result in maintaining the overall low region population density in February and March. However, population levels in some areas, such as the Mitchell–Morven district, could produce a population increase during February.
  • There is a low probability of significant immigration from other regions during summer.

Risks

  • There is a low risk of a widespread regional infestation developing during summer.

Locust activity should be reported to Biosecurity Queensland (Queensland Department of Agriculture and Fisheries) on 132 523. A toll free call to the APLC can be made on 1800 635 962. An answering machine is attached for after-hours calls. Reports can also be e–mailed to APLC or sent through the web page at Australian Plague Locust Commission.

South Australia

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Far North, Northeast, Northwest & Western Agricultural Region

Locusts and conditions

  • Heavy rainfall during December provided the already established populations in the Far North and Northwest regions with favourable habitat conditions for breeding.
  • Limited survey in the Cordillo Downs area in early December identified residual Scattered–Numerous density adults and occasional late instar nymphs from spring breeding in that area. Previous surveys in November recorded Scattered–Numerous density adults in the Coober Pedy–Oodnadatta, Dulkaninna–Murnpeowie and Parachilna–Leigh Creek areas.
  • The Dulkaninna light trap recorded high numbers of locusts in late December, with 682 caught on 29 December. These were associated with a low pressure weather system that brought heavy rainfall and are likely to represent a redistribution of the regional population, along with some immigration from the north. High numbers of locusts were reported to have appeared at Mungerannie, to the north of Dulkaninna, at the end of December. The Oodnadatta light trap was not operated during December.
  • There was light–moderate rainfall (<20-40 mm) in parts of the Northwest and Far North regions during the first two weeks of December, and widespread moderate–heavy storm rainfall (20->40 mm) in these regions and the Northeast and Western agricultural regions during the last week of the month. Weekly totals >100 mm were recorded at numerous locations. Pasture vegetation will remain green in many areas throughout January.

Forecast

  • Rainfall in the first half of December could have allowed some sporadic egg laying in the northern Northwest and eastern Far North regions. Heavy rainfall in late December will ensure suitable habitat conditions for the survival of any nymphs during January. More significantly, it is likely to initiate further locust breeding, with aggregation and high density egg laying in habitat areas in early January.
  • Any nymphs produced from eggs laid in the first half of December will fledge in late January. Hatchings from early January laying will commence after mid-January and continue during the month. Bands are likely to develop in favourable habitat areas. Fledging will follow in mid-February, with a significant increase in adult numbers and localised swarm formation possible.
  • Migration activity in late December could have increased locust numbers in some areas of the Northeast region. Wind trajectories indicate a southward trend on several nights. Breeding of any immigrants is likely with the improving habitat conditions where heavy rainfall occurred. Localised nymphs could develop in late January, mostly at low–medium densities, with the possibility of small Bands in limited areas. Fledging would occur in late February.
  • The probability of migrations between regions in South Australia, or from western New South Wales or Southwest Queensland, will increase during February and March. The likelihood of southward migrations will increase in March.
  • There is the potential for a further generation of nymphs developing in late March if further widespread rainfall occurs in February.

Risks

  • There is a moderate risk of localised high density nymphs developing in the Far North, Northwest and Northeast regions during January and of a significant increase in adult numbers during February.

Murray Valley, Mt Lofty Ranges & Southeast Region

Locusts and conditions

  • Locust densities are expected to have remained low during December. Limited survey of the Renmark area in late December identified only Isolated density adults.
  • There was moderate–heavy rainfall (20->40 mm) in the Murray Valley, Mt Lofty and Southeast regions during the last week of December. Pasture vegetation will remain green in many areas during January.

Forecast

  • Given the current low population level, any local breeding during January is unlikely to result in a large population increase.
  • There probability of immigration will increase during February and March, as adult populations increase in regions to the north.

Risks

  • There is a low risk of a widespread infestation developing during summer.

Locust activity should be reported to Biosecurity SA (Primary Industries and Region South Australia) on the Locust Reporting Hotline on 1300 666 101. A toll-free call to the APLC can be made on 1800 635 962. An answering machine is attached for after-hours calls. Reports can also be e–mailed to APLC or sent through the web page at Australian Plague Locust Commission.

Victoria

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North West & North Central Victoria

Locusts and conditions

  • Locust population level remained low in surveyed areas in December.  There were no reports of locust activity.
  • Limited surveys in the northern Mallee district of Northwest Victoria in late December identified Isolated–Scattered density adults between Mildura and Meringur.
  • There was light–­moderate rainfall (<20–40 mm) in North Central and Northwest Victoria during the last week of December. Pasture vegetation remains dry in the Northwest, with some green response likely in the North Central region.

Forecast

  • Any breeding of the local population during January is unlikely to result in a large population increase.
  • The probability of some immigration from western NSW or South Australia will increase in February and March.

Risks

  • There is a low risk of a widespread infestation developing during summer.

Locust activity should be reported to Department of Economic Development, Jobs, Transport and Resources on 1300 135559. A toll-free call to the APLC can be made on 1800 635 962. An answering machine is attached for after-hours calls. Reports can also be e–mailed to APLC or sent through the web page at Australian Plague Locust Commission.

Glossary of locust terms and density categories used in the Locust Bulletin

Locust biology and behaviour

TermDefinition
adultA fully winged, mature locust capable of breeding and migrating
bandDense aggregation of nymphs, usually moving forward together
diapausePeriod of dormancy in anticipation of unfavourable environmental conditions
egg bedAn area of soil containing many egg pods (up to 1000 per square metre)
fledgeFinal nymphal moult to a soft-bodied adult incapable of long-distance flight
instarDiscrete stages of nymphal development each separated by a moult
layingFemale locusts each depositing clutches of 20-60 eggs into the ground in froth-lined egg pods
nymphJuvenile wingless locust. Often referred to as the hopper stage
swarmDense aggregation of adults, milling at the same spot or flying closely together

Locust density categories

Where higher densities occur, a large proportion of the regional population is concentrated in very small areas with lower densities elsewhere, so the higher densities cannot be extrapolated over the area of an entire region. A range of density classes is usually found within a surveyed region.

Nymph DensitiesNumber per m2
Present1 – 5
Numerous6 – 30
Sub–band31 – 80
Band> 80

Adult DensitiesNumber per m2Number per hectare
Isolated– 0.02< 200
Scattered0.03 – 0.1> 200 – 1000
Numerous0.2 – 0.5> 1000 – 5000
Concentration0.6 – 3.0> 5000 – 30,000
Low Density Swarm4.0 – 10> 30,000 – 100,000
Medium Density Swarm11 – 50> 100,000 – 500,000
High Density Swarm> 50> 500,000

General density classesNymph densitiesAdult densities
very low, occasionalNil–PresentNil–Isolated
lowPresentIsolated–Scattered
mediumNumerous—Sub–bandScattered–Numerous
highBandsConcentration–Swarms

Reporting locust infestations

It is important that all locust activity is reported as soon as possible to your nearest state agriculture agency office or to the Australian Plague Locust Commission.

StateAuthority for reporting locusts
New South WalesLocal Land Services (LLS) or Department of Primary Industries
QueenslandBiosecurity Queensland, Department of Agriculture and Fisheries
South AustraliaBiosecurity SA, Primary Industries & Regions South Australia (PIRSA)
VictoriaBiosecurity Agriculture, Department of Economic Development, Jobs, Transport and Resources

Reports to the Australian Plague Locust Commission can be made by:

Free call (Canberra): 1800 635 962 (24 hours)
Fax (Canberra): (02) 6272 5074
​ E–mail: APLC
Internet: Australian Plague Locust Commission

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