Crab Spider, Sidymella trapezia.

Photographer: Alan Henderson

Source: Alan Henderson / Minibeast Wildlife

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Alan Henderson / Minibeast Wildlife

https://collections.museumsvictoria.com.au/species/8816

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Sidymella trapezia (Koch, 1874), Crab Spider

General Description

Abdomen triangular with two triangular points at the rear. Legs with spines. Body up to 2 cm long.

Biology

Crab Spiders are ambush hunters, waiting on flowers or foliage for passing insects. Their spiny legs help trap the prey until it is killed with the bite.

Distribution

Mainland Australia and Tasmania.

Habitat

Vegetation in forests and urban gardens.

More Information

Animal Type

Spiders & scorpions
Animal SubType

Spiders
Brief Id

Triangular abdomen, spines on legs.
Colours

Grey, Brown, White
Where To Look

Garden
Diet

Insects
Hazards

Bite information is not available for this species.
Endemicity

Native to Australia
Conservation Statuses

CITES: Not listed, FFG Threatened List: Not listed, EPBC Act 1999: Not listed, IUCN Red List: Not listed
Web

Hunter
Taxon Name

Sidymella trapezia
Scientific Author

(Koch, 1874)
Common Name

Crab Spider
Kingdom

Animalia
Phylum

Arthropoda
Subphylum

Chelicerata
Class

Arachnida
Order

Araneae
Infraorder

Araneomorphae
Family

Thomisidae
Genus

Sidymella
Species Name

trapezia

Cite this page

McPhee, C. (2010) Sidymella trapezia Crab Spider in Museums Victoria Collections https://collections.museumsvictoria.com.au/species/8816
Accessed 14 March 2025

Rights

We support the open release of data and information about our collections.
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Text content on this page is licensed under a Creative Commons Attribution 4.0 International licence

Authors

Catriona McPhee Collection Manager of Entomology/Arachnology at Museums Victoria.

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Sidymella trapezia (Koch, 1874), Crab Spider

General Description

Biology

Distribution

Habitat

More Information

Animal Type

Animal SubType

Brief Id

Colours

Where To Look

Diet

Hazards

Endemicity

Conservation Statuses

Web

Taxon Name

Scientific Author

Common Name

Kingdom

Phylum

Subphylum

Class

Order

Infraorder

Family

Genus

Species Name

Reuse this image

Attribute this image

Conditions of use

Sidymella trapezia (Koch, 1874), Crab Spider

General Description

Biology

Distribution

Habitat

More Information

Animal Type

Animal SubType

Brief Id

Colours

Where To Look

Diet

Hazards

Endemicity

Conservation Statuses

Web

Taxon Name

Scientific Author

Common Name

Kingdom

Phylum

Subphylum

Class

Order

Infraorder

Family

Genus

Species Name

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