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families:brachycera:acalyptrates:diastatidae 2008/05/24 17:00 current
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 +====== Diastatidae ======
 +{{:families:image086.jpg?150 }}
 +===== Classification =====
 +BRACHYCERA, Muscomorpha Schizophora Acalyptratae, Ephydroidea
 +**Number of British species:** 6
 +**Size:** [[families:size|S]]
 +**Difficulty:** [[families:difficulty|2]] Panel
 +===== Characters =====
 +Small (2.5-4 mm), stout, dark flies with grey pruinosity, head partially dull yellow and lustrous silvery grey; antennae and legs largely yellow. Arista short to medium plumose; ocelli present; Ocellar bristles present, Postvertical bristles converging; 2 pairs of frontal bristles, the outer pair curving forward, the inner pair backward; interfrontal bristles absent; vibrissae present. Wing with various patterns of dark markings, in some cases clear, but cell c always darkened; costa with both humeral and subcostal breaks and with several small spines among the customary setulae; vein Sc incomplete; crossvein BM-Cu present; cell cup closed. Tibiae with dorsal preapical bristle.
 +===== Biology =====
 +The larvae of this small family are unknown; they are thought to be saprophagous because the adults are frequently encountered near litter and soil, in all types of woodland marshes, bog areas and alongside stagnant waters sometimes in great numbers.
 +===== Identification =====
 +[[refs:c:chandler_1986|Chandler (1986)]], [[refs:c:chandler_1987a|Chandler (1987a)]]
families/brachycera/acalyptrates/diastatidae.txt · Last modified: 2008/05/24 17:00 (external edit)     Back to top
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