Comparison of Australian plague locust and Oedaleus australis nymphs

​​​Comparison of Australian plague locust and Oedaleus australis nymphs

Australian Plague Locust - Chortoicetes terminifera

Graphic: a 5th instar Australian plague locust nymph - note more complete 'X' mark on top of thorax. 


Oedaleus australis

Graphic: Side view of a 5th instar Oedaleus nymph - note incomplete 'X' mark on top of thorax and eye stripe. 


Major differences between nymphs of these species: Nymphs of the Australian​ pl​​​ague l​ocust are very similar in appearance to Oedaleus but can be differentiated by:

  • thorax of Oedaleus without a complete 'X' mark as seen on plague locust
  • bands on rear femur of Oedaleus usually fade out in later instars but get stronger in plague locust
  • Oedaleus has a prominent dark stripe from the antenna, across the eye, to the back of the head at a 45 degree angle

Oedaleus nymphs may occur in high numbers in some years but they rarely form dense bands as seen in the Australian plague locust.

Compare Australian plague locust nymphs with: | Austroicetes | Aiolopus | Caledia | Heteropternis | Oedaleus | Peakesia | Urnisa | Compare adults of these species

Last reviewed: 4 November 2019
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