Biology:Eysarcoris venustissimus

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Eysarcoris venustissimus
Pentatomidae - Eysarcoris venustissimus-000.JPG
Adult of Eysarcoris venustissimus
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Hemiptera
Suborder:
Heteroptera
Infraorder:
Pentatomomorpha
Superfamily:
Pentatomoidea
Family:
Pentatomidae
Subfamily:
Pentatominae
Genus:
Eysarcoris
Species:
E. venustissimus
Binomial name
Eysarcoris venustissimus
(Schrank, 1776)
Synonyms
  • Cimex melanocephalus Fabricius, 1775 (non Linnaeus, 1767)
  • Eysarcoris fabricii (Kirkaldy, 1904)

Eysarcoris venustissimus, common name woundwort shieldbug, is a species of shieldbug belonging to the family Pentatomidae, subfamily Pentatominae.

Scientific name

The species was first named by Fabricius as Cimex melanocephalus.[1] However this name had already been used by Linnaeus for the mirid bug now known as Phylus melanocephalus - at the time, the genus Cimex encompassed the entirety of the Heteroptera. The replacement name Eysarcoris fabricii given by Kirkaldy in 1904 was used for many years, but Rider (1998)[2] pointed out the name venustissimus given by Schrank to what he called Schönste Wanze - most beautiful bug,[3] and this is now the accepted name.

Distribution

This species can be found in most of Europe.[4][5]

Description

Eysarcoris venustissimus can reach a length of 5–7 millimetres (0.20–0.28 in). These small bugs have a greenish-grey body. The head and the pronotum are copper coloured. They have a bronze-purple triangular stain at the base of the scutellum. The connexivum has black and white markings. The legs are whitish with black spots[6]

Biology

Eysarcoris venustissimus is an univoltine species. The larvae are visible from late June to October, while the new generation of adults appear from August through the following July.[7]

The nymphs feed on hedge woundwort (Stachys sylvatica), particularly the seeds, and on Lamiaceae species, especially on white dead-nettle (Lamium album).[6]

Gallery

  • Mating

  • Eggs and young nymphs

  • Adult with final instar nymph

  • Imago

References

  1. ↑ Io. Christ. Fabricius (1775). Systema entomologiae: sistens insectorum classes, ordines, genera, species, adiectis synonymis, locis, descriptionibus, observationibus. Flensburg et Lipsiae (Leipzig). pp. 716-717. https://www.biodiversitylibrary.org/item/82400#page/734/mode/1up. 
  2. ↑ D. A. Rider (1998). "Nomenclatural changes in the Pentatomoidea (Hemiptera-Heteroptera: Cydnidae, Pentatomidae). II. Species level changes". Proceedings of the Washington Entomological Society 100 (3): p. 453. https://www.ndsu.edu/pubweb/~rider/Pentatomoidea/PDFs/R/Rider_1998a.pdf. 
  3. ↑ Franciscus de Paula Schrank (1781). Enumeratio insectorum Austriae indigenorum. Augusta Vindelicorum (Augsburg). p. 277. https://www.biodiversitylibrary.org/item/51804#page/306/mode/1up. 
  4. ↑ Fauna europaea
  5. ↑ D. A. Rider (2006). "Pentatomidae". Catalogue of the Heteroptera of the Palaearctic Region, vol. 5: Pentatomomorpha II. Amsterdam: Netherlands Entomological Society. ISBN 9789071912283. 
  6. ↑ 6.0 6.1 British Bugs
  7. ↑ Nature Network Amiens

External links

Wikidata ☰ Q3208876 entry





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