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families:brachycera:acalyptrates:clusiidae 2008/05/24 17:00 current
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 +====== Clusiidae ======
 +{{:families:image070.jpg?150 }}
 +===== Classification =====
 +BRACHYCERA, Muscomorpha Schizophora Acalyptratae, Opomyzoidea
 +
 +**Number of British species:** 10
 +
 +**Size:** [[families:size|S]]
 +
 +**Difficulty:** [[families:difficulty|2]]
 +===== Characters =====
 +Minute to medium sized (1.5-8 mm), slender flies. Body dull to lustrous, yellow to dark brown or black, often with markings; near the eye often silvery white. Head small, arista pubescent or with longer rays; ocelli present; Ocellar bristles present to absent; Postvertical bristles diverging or absent; 2-5 pairs of frontal bristles curving backward, the lowermost pair in some cases curving inward; interfrontal bristles present to absent; vibrissae present. Wing clear to somewhat infuscated, often the apical portion darker or crossveins with dark bands; costa with a subcostal break, vein Sc complete; crossvein BM-Cu present, cell cup closed. Legs all yellow or partially darker; tibiae with or without dorsal preapical bristle.
 +===== Biology =====
 +The larvae of the few species of which something is known live in rotting wood of deciduous trees, largely in mines of other insects. Adults are mainly found in damp deciduous forests near dead or dying trees, with males displaying courtship behaviour on trunks and stumps. Adults are not frequently netted but at proper locations they are frequently collected in Malaise traps.
 +===== Identification =====
 +[[refs:c:czerny_1928|Czerny (1928)]], [[refs:s:stubbs_1982|Stubbs (1982)]], [[refs:w:withers_1985|Withers (1985)]]
 
families/brachycera/acalyptrates/clusiidae.txt · Last modified: 2008/05/24 17:00 (external edit)     Back to top
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