Trapezoid Crab Spider
S1, Male, Eye Arrangement
Trapezoid Crab Spider
S1, Male, body profile
Trapezoid Crab Spider (Sidymella trapezia)Class: Animals (Animalia) - Jointed Legs (Arthropoda) - Spiders, Scorpions, Mites & Ticks (Arachnida)
Order: Spiders (Araneae)
Family: Crab Spider (Thomisidae)     iNaturalist Observation
Species: Trapezoid Crab Spider (Sidymella trapezia)
This Photo:     S3,Female, Eye Arrangement

Thank you Karen Weaving & BaronSamedi for confirming the id of this species for us

General Species Information:
Found on Ellura (in the Murray Mallee, SA) and elsewhere
Anthony Paul told us about Sidymella longipes, which is very similar, but larger at just under 15mm.
The male here being ~5.5mm is also slightly longer than 4mm; considered the size of S. trapezia males. While the female is ~7mm

Copyright © 2023-2024 Brett & Marie Smith. All Rights Reserved. Photographed 13-Jan-2023
This species is an Australian Native Species, not listed in the SA Murray Mallee Survey of 2010.