Ebrechtella tricuspidata

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Ebrechtella tricuspidata
Ebrechtella tricuspidata, male.JPG
Ebrechtella tricuspidata. Male
Thomisidae - Ebrechtella tricuspidata (female).JPG
Female
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Thomisidae
Genus: Ebrechtella
Species:
E. tricuspidata
Binomial name
Ebrechtella tricuspidata
(Fabricius, 1775) [1]
Synonyms
List
  • Aranea tricuspidataFabricius, 1775
  • Aranea viaticaFourcroy, 1785
  • Aranea inaurataOlivier, 1789
  • Aranea delicatulaWalckenaer, 1802
  • Aranea dianaWalckenaer, 1802
  • Thomisus hermaniiHahn, 1833
  • Thomisus arcigerusGrube, 1861
  • Diana delicataSimon, 1864
  • Xysticus pavesiiO. Pickard-Cambridge, 1873

Ebrechtella tricuspidata is a species of crab spiders belonging to the family Thomisidae. [2]

Contents

Subspecies

Subspecies include: [3]

Distribution

This species is widespread in the Palearctic realm (Europe, Turkey, Caucasus, Russia to Central Asia, China, Korea, and Japan). [4] [5] It is not found in Great Britain. [6]

Habitat

These medium-sized crab spiders inhabit dry meadows and sunny forest edges, waiting for prey well camouflaged in flower and foliage. [7]

Description

Ebrechtella tricuspidata can reach approximately a body length of 5–6 millimetres (0.20–0.24 in) in females, while males are smaller, reaching a body length of 2.5–3.5 millimetres (0.098–0.138 in). [8] The cephalothorax (Prosoma) is light green in females, with sometimes indeterminate reddish markings on the back of the whitish-yellowish abdomen. These reddish markings usually consist of two broad rear-connected bands. Also legs are light green.

Males are clearly different-looking (sexual dimorphism). They have light brown cephalothorax with bright median stripe and the first two pairs of legs, while the bottle-shaped abdomen (Opisthosoma) is usually pale green, laterally with dark brown markings. [7]

Biology

Adults from both sexes can be found in May and June.

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References

  1. Fabricius, J. C. (1775) Systema entomologiae, sistens insectorum classes, ordines, genera, species, adiectis, synonymis, locis descriptionibus observationibus., Flensburg and Lipsiae, 832 pp. (Araneae, pp. 431-441).
  2. Catalogue of life
  3. Biolib
  4. World Spider Catalog Version 19.0
  5. Fauna europaea
  6. Spider and Harvestman Recording Scheme website
  7. 1 2 Spiders of Europe
  8. Roberts M. J. (1995): Collins Field Guide. Spiders of Britain & Northern Europe