Austracris guttulosa
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Austracris guttulosa (Walker, 1870) - (spur-throated locust)
The genus Austracris includes 4 species of Australian locusts with Austracris guttulosa, the spur-throated locust, being the most important pest. Also Austracris proxima can cause sproradic outbreaks.
Austracris guttulosa is a large species and is found in Australia, parts of south-eastern Asia and some Pacific islands. It forms swarms and can reach plague status in parts of Australia. The swarms attack various crops like sorghum, sunflower or soybean. Outbreaks with crop damage occur every few years, mainly in Queensland and parts of the Northern Territory. Major outbreaks have occurred every 10-20 years.
Typically, adult females are between 50-60 mm long, males are smaller. All stages have a conspicuous spur between the front legs. The colour of adults is mainly grey. Nymphs have a variable colouration with early instars being usually green and later instars becoming progressively grey.
Synonyms:
Nomadacris guttulosa
Patanga guttulosa
- Other images of Austracris guttulosa (PaDIL - click to enlarge)
head
foreleg with spur
hindleg
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