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Trichius fasciatus

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Species of beetle

Trichius fasciatus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Scarabaeidae
Genus: Trichius
Species: T. fasciatus
Binomial name
Trichius fasciatus
(Linnaeus, 1758)
Synonyms

Trichius fasciatus, the Eurasian bee beetle, is a beetle species belonging to the family Scarabaeidae, subfamily Cetoniinae.

Varieties

Varieties include:

  • Trichius fasciatus var. dubius Mulsant
  • Trichius fasciatus var. interruptus Mulsant

Distribution and habitat

This beetle is present in most of Europe and in the eastern Palearctic realm.

It is often found in forest clearings in mountainous areas, but rarely in the lowlands. It lives mostly on flowers on forest meadows and forest edges.

Description

Trichius fasciatus can reach a length of 9–12 millimetres (0.35–0.47 in). Head and pronotum are black, while the elytrae vary from light yellow to deep orange. They are crossed by a few black bands. The first black band reaches the scutellum.The sides of the chest and the back of the abdomen are covered with a yellow-orange or white pubescence. This makes it look a bit like a Bumblebee, giving it better protection from predators. Hence the popular name of "Bee beetle" for their genus.

In this species males and females can be easily distinguished based on the front legs. In the female (Encl. 3) the outer teeth are strong, typical for the digging legs. The first tarsus is small and protrudes only slightly from the tip of the terminal tooth. Moreover in the females the pygidium does not end rounded, but clearly indented (Encl. 4). In the male (Encl. 2) the digging teeth are weaker. The 1st segment of the tarsus clearly protrudes beyond the end tooth and is bulbously thickened on the outside. There is a strong transverse ridge about halfway up the mesotibia, which ends in a tooth (Encl. 1).

Biology

Adults can be encountered from May through July feeding on pollen of various flowering plants. These include Apiaceae, Rosaceae, Thymus, Thistles and. Blackberry. The larvae feed mainly on dead wood and other organic parts of various deciduous trees.

Gallery

  • Mating couple Mating couple
  • Side view Side view
  • In flight In flight
  • Bee beetle, Estonia Bee beetle, Estonia
  • Encl. 1 - Mesotibia Encl. 1 - Mesotibia
  • Encl. 2 - Tarsal segment Encl. 2 - Tarsal segment
  • Encl. 3 - Tarsal segment Encl. 3 - Tarsal segment
  • Encl. 4 - End of the pygidium Encl. 4 - End of the pygidium

Bibliography

  • This article has been expanded using, inter alia, material based on a translation of an article from the Deutsch Misplaced Pages, by the same name.
  • Svatopluk Bílý, Alena Čepická: Käfer. Artia-Verlag, Prag 1990, ISBN 3-7684-2929-6.
  • Michael Chinery: Pareys Buch der Insekten. Ein Feldführer der europäischen Insekten. Verlag Paul Parey, Hamburg/Berlin 2004, ISBN 3-440-09969-5.
  • Bernhard Klausnitzer: Käfer. Nikol Verlagsgesellschaft, Hamburg 2005, ISBN 3-937872-15-9.
  • Jiři Zahradnik et al.: Käfer Mittel- und Nordwesteuropas. Parey, Berlin 1985, ISBN 3-490-27118-1.

References

  1. ^ Biolib
  2. Fauna europaea
  3. Beetle space
  4. ^ Uksafari
Taxon identifiers
Trichius fasciatus
Scarabaeus fasciatus


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