Shelford's Cockroach
S1, Female, dorsal
Ellura
Shelford's Cockroach
S3, Female, dorsal
 
                 
Shelford's Cockroach (Robshelfordia sp)Class: Animals (Animalia) - Jointed Legs (Arthropoda) - Insects (Insecta)
Order: Cockroaches (Blattodea)
Family: Cockroach (Blattidae)     iNaturalist Observation
Species: Shelford's Cockroach (Robshelfordia sp)
This Photo:     🔍S2, Female, dorsal🔎

Thank you Matthew Connors (Matthew_Connors) for identifying and Jiří Hromádka (Sabutaro) for confirming the id of this species for us

General Species Information:
Found on Ellura (in the Murray Mallee, SA) and elsewhere
~6.5 to ~10mm long females.
Tentative id. Males are fully winged. We thought it was Temnelytra sp; perhaps T. truncata
Notice how unusually hairy these are for cockroaches. Plus the strange white bulbous cercii.
When we asked Matthew about the white bulbous cercii he said "It's a secretion of sticky stuff at the back of the roach that makes it more difficult for predators to attack the rear end. It's especially pronounced in some species where it covers the entire end of the abdomen (e.g. Austrostylopyga immunda)"

Copyright © 2017-2026 Brett & Marie Smith. All Rights Reserved. Photographed 11-Apr-2017
This species is an Australian Native Species, not listed in the SA Murray Mallee Survey of 2010.