Hammerschmidtia
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Syrphidae
Subfamily: Eristalinae
Tribe: Brachyopini
Subtribe: Brachyopina
Genus: Hammerschmidtia
Schummel, 1834
Type species
Hammerschmidtia vittata
Schummel, 1834 = ferruginea Fallen

Hammerschmidtia is a Holarctic genus of hoverflies whose larvae live in sap under the bark of freshly fallen trees.[1][2][3]

Diagnostics

For terminology see Speight key to genera and glossary The face of the male is tuberculate, with long hairs on the upper and lower sides of the lower three-quarters of the arista. Most of the hairs are several times longer than the arista. The scutum is armed with very evident spines, while the anepisternum, postalar callus, and scutellum have strong bristles. The abdomen is twice as long as the thorax, and the first posterior cell does not end acutely from the apex of the wing. The apical section of R4+5 is longer than the crossvein r-m, and the upper marginal cross-vein M1 is curved inwards where it meets R4+5. The legs are armed with spines and the anterior four tibiae terminate in a row of bristles. The femora are considerably swollen, especially the hind pair, which has numerous conspicuous spines below. [4] [5] [6] Genitalia described by Sedman [7]


Species

References

  1. ↑ Stubbs, Alan E.; Falk, Steven J (1983). British Hoverflies: An Illustrated Identification Guide (2nd ed.). London: British Entomological and Natural History Society. pp. 253, xvpp. ISBN 1-899935-03-7.
  2. ↑ Ball, S.G.; Morris, R.K.A. (2000). Provisional atlas of British hoverflies (Diptera, Syrphidae). Monks Wood, UK: Biological Record Centre. pp. 167 pages. ISBN 1-870393-54-6.
  3. ↑ Van Veen, M.P. (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8.
  4. 1 2 Curran, Howard (1922). "The Syrphid Genera Hammerschmidtia and Brachyopa In Canada". Annals of the Entomological Society of America. 15: 239–255.
  5. 1 2 Skevington, Jeffrey H (2019). Field Guide to the Flower Flies of Northeastern North America. ISBN 9780691189406.
  6. ↑ Vockeroth, J.R. (1987). Manual of Nearctic Diptera, Volume 2 (PDF). Canada: Research Branch, Agriculture Canada. p. 668. ISBN 0-660-12125-5.
  7. ↑ Sedman, Y.S. (1961). "Male genitalia in the sub-family Cheilosiinae. Genus Brachyopa". Proceedings of the Entomological Society of Washington: 53–55.
  8. ↑ Barkalov, A.V. "Syrphidae collection of Siberian Zoological Museum". Novosibirsk, Russia: the Institute of Animal Systematics and Ecology, Siberian Branch of the Russian Academy of Sciences. Archived from the original on October 20, 2008. Retrieved 28 July 2009.
  9. ↑ Skevington, Jeffrey (2019). "New Syrphidae (Diptera) of North-eastern North America". biodiversity Data Journal.
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