Stagonomus venustissimus

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

Stagonomus venustissimus
Adult of Stagonomus venustissimus
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Hemiptera
Suborder:
Heteroptera
Infraorder:
Pentatomomorpha
Superfamily:
Pentatomoidea
Family:
Pentatomidae
Subfamily:
Pentatominae
Genus:
Stagonomus
Species:
S. venustissimus
Binomial name
Stagonomus venustissimus
(Schrank, 1776)
Synonyms

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 Eysarcoris venustissimus, Schönste Wanze, most beautiful bug.[3]

This species has been recently transferred to the genus Stagonomus, so the new correct name should be Stagonomus venustissimus (Schrank, 1776).[4]

Distribution

This species can be found in most of Europe.[5][6]

Description

Stagonomus 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[7]

Biology

Stagonomus venustissmus is a univoltine species. The larvae are visible from late June to October, while the new generation of adults appear from August through the following July.[8]

The nymphs feed on hedge woundwort (Stachys sylvatica), particularly the seeds, and on Lamiaceae species, especially on white dead-nettle (Lamium album).[7]

  • Mating
  • Eggs and young nymphs
  • Adult with final instar nymph
  • Imago
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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.
  2. D. A. Rider (1998). "Nomenclatural changes in the Pentatomoidea (Hemiptera-Heteroptera: Cydnidae, Pentatomidae). II. Species level changes" (PDF). Proceedings of the Washington Entomological Society. 100 (3). p. 453.
  3. Franciscus de Paula Schrank (1781). Enumeratio insectorum Austriae indigenorum. Augusta Vindelicorum (Augsburg). p. 277.
  4. Roca-Cusachs M. & Jung S. 2019. Redefining Stagonomus Gorski based on morphological and molecular data (Pentatomidae: Eysarcorini. Zootaxa 4658(2): 368-374
  5. Fauna europaea
  6. D. A. Rider (2006). "Pentatomidae". In Aukema B, Rieger C (eds.). Catalogue of the Heteroptera of the Palaearctic Region, vol. 5: Pentatomomorpha II. Amsterdam: Netherlands Entomological Society. ISBN 9789071912283.
  7. British Bugs
  8. Nature Network Amiens


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