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''Baccha'' is a genus of
hoverflies Hoverflies, also called flower flies or syrphids, make up the insect family (biology), family Syrphidae. As their common name suggests, they are often seen Hover (behaviour), hovering or nectaring at flowers; the adults of many species feed main ...
in the subfamily
Syrphinae The Syrphinae constitute one of the three subfamilies of the fly family Syrphidae. Most larvae of this subfamily feed on aphids. It is a monophyletic group with more than 1,600 species. Gallery File:Melanostoma sp. (scalare^) Female. - Flick ...
. They are typically moderate sized with wasp-like bodies. Their larvae are predatory, often on
aphids Aphids are small sap-sucking insects in the Taxonomic rank, family Aphididae. Common names include greenfly and blackfly, although individuals within a species can vary widely in color. The group includes the fluffy white Eriosomatinae, woolly ...
.


Description

This genus is extremely slender with a club shaped abdomen that is at least 25 times as long as its narrowest width They range in length from about 7 to 10 mm. The wings are either clear or have very faint brownish markings, have an alula that is much narrower than cell c at its base, a reduced anal angle, and small bare spots near the base, with faint clouding along The apical crossveins. The eyes have very short and sparse hairs, while its frons and face are mostly pollinose and black. The antennae are yellow to black and very short, with the scape at least as deep as it is long. The thorax has short hairs on its scutum, which is mostly shining lightly pollinose above and on the sides, which are either entirely black or with a few yellow margins. The scutellum is similarly colored, but with pile only as a fringe laterally. On the pleural area the anterior anepisternum, meron, metapleuron, and metasternum are all bare. The upper and lower katepisternal hair patches are widely separated. The postmetacoxal bridge is complete. There is also no posteromedial apical hair tuft on the hind coxa. In the male, the abdomens are about 40 times longer than the shortest width of segment 2, while female abdomens are 25 or more times longer than the shortest width of segment 2. In addition to being dark brown to black in color throughout in most specimens, there are reddish hues towards the apex for some females, as well as yellow spots or bands appearing on tergites 2-5, which vary by species. (see these two references for keys to the genera)


Species

*'' B. bistriatus'' Kohli, 1987 *'' B. cognata'' Loew, 1863 *'' B. elongata'' (
Fabricius Fabricius (, ) is a surname. Notable people with the surname include: *people from the Ancient Roman Fabricia gens, gens Fabricia: **Gaius Fabricius Luscinus, the first of the Fabricii to move to Rome * Johann Goldsmid (1587–1616), known by his ...
, 1775)
*'' B. euryptera'' Violovitsh, 1976 *'' B. laphrieformis'' Violovitsh, 1976 *'' B. maculata''
Walker Walker or The Walker may refer to: People *Walker (given name) *Walker (surname) *Walker (Brazilian footballer) (born 1982), Brazilian footballer Places In the United States *Walker, Arizona, in Yavapai County *Walker, Mono County, California * ...
, 1852
*'' B. nana'' Violovitsh, 1976 *'' B. okadomaei'' Violovitsh, 1976 *'' B. optata'' Violovitsh, 1976 *'' B. perexilis''
Harris Harris may refer to: Places Canada * Harris, Ontario * Northland Pyrite Mine (also known as Harris Mine) * Harris, Saskatchewan * Rural Municipality of Harris No. 316, Saskatchewan Scotland * Harris, Outer Hebrides (sometimes called the Isle ...
, 1776
*'' B. sachalinica'' Violovitsh, 1976 *'' B. shirakii'' Violovitsh, 1976 *'' B. sibirica'' Violovitsh, 1976 *'' B. strandi''
Duda The Hungary, Hungarian duda (also known as ''tömlősíp'' and ''bőrduda'') is the traditional bagpipe of Hungary. It is an example of a group of bagpipes called Medio-Carparthian bagpipes. Accounts are conflicting regarding the exact form of ...
, 1940


References

{{Taxonbar, from=Q1768010 Hoverfly genera Taxa named by Johan Christian Fabricius Syrphinae bacchini