Comparison of Australian plague locust and Urnisa guttulosa nymphs

​Comparison of Australian plague locust and Urnisa guttulosa nymphs

Australian Plague Locust - Chortoicetes terminifera

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


Urnisa guttulosa


Graphic: Side view of a 4th stage Urnisa nymph - this species has a more mottled appearance and the thorax lacks a 'X' mark. 


Major differences between nymphs of these species: Nymphs of the Australian plague​ locust are similar in shape and size to Urnisa but differences in colour and markings are obvious:

  • Urnisa body is much more mottled in colour than the plague locust
  • thorax of Urnisa lacks the 'X' mark as seen in the plague locust

Urnisa adults do not form into dense bands as seen in the plague locust. Urnisa is only found in red sandy country.

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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