Bibio pomonae

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Bibio pomonae
Bibionidae - Bibio pomonae female.JPG
Bibio pomonae, female
Bibio pomonae male.jpg
Bibio pomonae, male
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Bibionidae
Genus:
Bibio
Species:
B. pomonae
Binomial name
Bibio pomonae
(Fabricius, 1775)[1]
Synonyms
  • Pullata funestus Harris, 1776
  • Tipula funestus Harris, 1776
  • Tipula marcifulvipes De Geer, 1776
  • Tipula pomonae Fabricius, 1775

[2]

Bibio pomonae, common name red-thighed St Mark's fly or heather fly, is a species of fly (Diptera) belonging to the family Bibionidae.

Description[]

Bibio pomonae can reach a length of about 10–13 millimetres (0.39–0.51 in), while the length of the wings reaches 8–12 millimetres (0.31–0.47 in).[3] The basic body color is shiny black, with a black long abdomen, deep crimson-red femurs and dark tibiae and tarsi. Front tibia show a pair of large spurs. Wings are milky-white with darkened veins on the costal area and a dark spot on the leading edge. The 10-segmented antennae are relatively short and thick. Males and females are very different, as the holoptic males show very large eyes and a flattened abdomen, while the females have small head and eyes and a sharp abdomen.[4] The larvae are reddish brown.

Biology[]

Adults feed mostly on nectar and are important pollinators.[4] Larvae develop during Fall and Winter feeding on dead leaves, compost, decaying organic matter and Poaceae roots [3][5]

Adults are late summer flyers, but they occur from May to October.[3] [6] In Norway's Hardangarvidda it has been observed that they appear in large numbers every third year, which suggests the larvae take three years to develop.[7]

Distribution[]

This species can be found across most of the Palearctic realm (Europe and North Asia), but in southern Europe can be found only in the mountains.[8]

Habitat[]

This fly occurs in hedge rows of hill countries, on moorland and mountain birch forests, in woodland edges, fields and in wetlands.[3]

References[]

  1. ^ Freeman, Paul; Lane, Richard P. (1985). "Bibionid and Scatopsid flies, Diptera: Bibionidae & Scatopsidae". Handbooks for the identification of British insects. 9 (7). London: Royal Entomological Society of London: 74. Cite journal requires |journal= (help)
  2. ^ Biolib
  3. ^ a b c d Commanster
  4. ^ a b Wildlife Trust
  5. ^ Triplethorne & Johnson (2004). Borror's Introduction to the Study of Insects, Brooks-Cole. 715-716
  6. ^ Key to Highland Bibionids
  7. ^ Borgstrøm, Reidar and Skartveit, John, Russefluga (Bibio pomonae): Eit viktig insekt i høgfjellsøkosystemet, Naturen, p.20-24 DOI: 10.18261/issn.1504-3118-2018-01-04
  8. ^ Fauna Europaea

External links[]

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