Gymnosoma clavatum

Gymnosoma clavatum is a species of tachinid flies in the genus Gymnosoma of the family Tachinidae.[2]

Gymnosoma clavatum
Female of Gymnosoma clavatum
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Tachinidae
Subfamily:
Phasiinae
Tribe:
Phasiini
Genus:
Gymnosoma
Species:
G. clavatum
Binomial name
Gymnosoma clavatum
Rohdendorf, 1947
Synonyms[1]
  • Rhodogyne clavatum Rohdendorf, 1947

Distribution

This species can be found in most of Europe, up to Central Asia and the Middle East. It is not present in the United Kingdom.[1]

Description

Gymnosoma clavatum can reach a length of 6–8 millimetres (0.24–0.31 in). These flies have a black thorax, but males have a mesonotum with golden pruinosity up to the transverse suture. Scutellum is black with two pairs of marginal setae and a quite characteristic red sub-globular abdomen, without setae but with large black markings in the middle. In the females thorax before the scutellum has three spots of dusting. Abdominal tergites are completely fused. The compound eyes are red. Antennae are black. Wings are slightly darkened, with yellow basicostae. Femora and tibiae are black.[3][4]

Biology

Adults can be found from May to October. These flies are endoparasites of various Pentatomidae species, on which the females lay their eggs. Larvae will develop inside them. Known larval hosts of these parasitic flies are Ancyrosoma leucogrammes, Carpocoris pudicus, Cydnus aterrimus, Dolycoris baccarum, Eurygaster integriceps, Nezara viridula, Palomena prasina, Piezodorus lituratus.[5]

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References
  1. "Gymnosoma clavatum (Rohdendorf, 1947)". Fauna Europaea. Retrieved 21 February 2018.
  2. "Gymnosoma clavatum (Rohdendorf, 1947)". BioLib.cz. Retrieved 21 February 2018.
  3. Cerretti, Tschorsnig, Lopresti, Di Giovanni Mosch interactive key ZooKeys 205: 5–18. doi: 10.3897/zookeys.205.3409
  4. George C. Steyskal - Keys to The Insects of The European Part of The USSR – Vol. V
  5. Rider, David A. "Diptera Parasitoid Records, List by Host Species". Fargo, North Dakota: North Dakota State University, Department of Entomology. Archived from the original on 9 July 2008. Retrieved 9 October 2009.
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