Diaea dorsata

Diaea dorsata

Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Arachnida
Order:	Araneae
Family:	Thomisidae
Genus:	Diaea
Species:	D. dorsata
Binomial name
*Diaea dorsata* (Fabricius, 1777)

Diaea dorsata is one of the smaller crab spiders. Females can grow up to 6 mm, males up to 4 mm. Prosoma and legs are green, the opisthosoma is yellowish with a brown mark. Like Misumena vatia, this spider can change its color to fit its surrounding; however, this takes several days.

Diaea dorsata

D. dorsata prefers forest edges. It can be found on oak leaves. The subadults overwinter under the bark of dead trees. Adults appear in May. The males have an extended non-damaging combat ritual: They stand opposed, stretch their front legs and dance around each other. This can go on for hours. This is highly unusual for crab spiders, but for example often found in jumping spiders.

An agranular green pigment is incorporated into the mesocuticle of this species and thus lost between moults.^[1]

References

↑ Oxford, G.S. & Gillespie, R.G. (1998). Evolution and Ecology of Spider Coloration. Annual Review of Entomology 43:619-643. doi:10.1146/annurev.ento.43.1.619 PMID 15012400

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