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Bush Cockroach (Ellipsidion humarale) with pupal case of Hyalarcta nigrescens, Alice Springs Desert Park NT

Bush Cockroach (Ellipsidion humarale)

Alice Springs Desert Park

ASDP Insects > Insects Index

Known as the Bush Cockroach (Elipsidion humarale), and found here in Central Australia, pictured here is Elipsidion humarale that appeared to be sheltering behind the pupal case of the bag moth Hyalarcta nigrescens in the Alice Springs Desert Park.

Bush Cockroach (Ellipsidion humarale) with pupal case of Hyalarcta nigrescens, Alice Springs Desert Park NT
Bush Cockroach (Ellipsidion humarale) with pupal case of Hyalarcta nigrescens,
Alice Springs Desert Park NT

There were two pupal cases of the bag moth Hyalarcta nigrescens attached to the eucalypt tree. The bush cockroach then turned around on the pupal case, walked on to the trunk of the tree, but stayed close to the pupal cases.

Elipsidion humarale is a bush cockroach native to the northern part of Australia, found from west of Perth in Western Australia, across to east of Brisbane in Queensland and down through Central Australia to Alice Springs, Northern Territory.

Bush Cockroach (Ellipsidion humarale) with pupal case of Hyalarcta nigrescens, Alice Springs Desert Park NT
Bush Cockroach (Ellipsidion humarale) with pupal case of Hyalarcta nigrescens,
Alice Springs Desert Park NT

More info in main section Blattodea | Amitermes meridionalisAnamesia sp | Balta bicolor | Bush CockroachEllipsidion | Ellipsidion australe | Ellipsidion humarale | Nasutitermes triodiae | Termite — Alate 


  • Scientific classification
  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Subphylum: Hexapoda
  • Class: Insecta
  • Informal: Pterygotes
  • Order: Blattodea
  • Superfamily: Blaberoidea
  • Family: Ectobiidae
  • Subfamily: Pseudophyllodromiinae
  • Genus: Ellipsidion
  • Species: Ellipsidion humerale

Footnote & References

  1. Ellipsidion humerale (Tepper, 1893), Atlas of Living Australia, https://bie.ala.org.au/species/Ellipsidion humerale

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