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families:brachycera:acalyptrates:canacidae 2008/05/24 17:00 current
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 +====== Canacidae ======
 +{{:families:image046.jpg?150 }}
 +===== Classification =====
 +BRACHYCERA, Muscomorpha Schizophora Acalyptratae, Carnoidea
 +
 +**Number of British species:** 2
 +
 +**Size:** [[families:size|S]]
 +
 +**Difficulty:** [[families:difficulty|2]]
 +===== Characters =====
 +Minute to small (1.6-5 mm), robust, yellow to greyish black, pruinose flies, generally with conspicuous whitish to greyish markings. Head large with small antenna; arista bare to pubescent; ocelli present; Ocellar bristles present; Postvertical bristles absent but often replaced by diverging pseudopostocellar bristles; 2-5 pairs of frontal bristles, curving outward; interfrontal bristles present; gena with 1 or more upcurved bristles; vibrissae present. Wing unmarked; costa with a subcostal break; vein Sc parallel to vein R<sub>1</sub> and merging with that vein just before the costa; crossvein BM-Cu present; cell cup closed. Tibiae without dorsal preapical bristle.
 +===== Biology =====
 +All the European species live in the tidal zone where they feed on algae and organic matter.
 +===== Identification =====
 +[[refs:c:canzoneri_meneghini_1983|Canzoneri & Meneghini (1983)]], [[refs:w:wirth_1951|Wirth (1951)]]
 
families/brachycera/acalyptrates/canacidae.txt · Last modified: 2008/05/24 17:00 (external edit)     Back to top
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