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families:brachycera:acalyptrates:strongylophthalmyiidae 2008/05/24 17:01 current
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 +====== Strongylophthalmyiidae ======
 +{{:families:image226.jpg?150 }}
 +===== Classification =====
 +BRACHYCERA, Muscomorpha Schizophora Acalyptratae, Diopsoidea
 +
 +**Number of British species:** 1
 +
 +**Size:** [[families:size|M]]
 +
 +**Difficulty:** [[families:difficulty|2]]
 +
 +**Study group:** Covered by the [[http://www.dipteristsforum.org.uk/t14-Stilt-stalk-study-group.html|Stilt and Stalk fly study group]]
 +
 +===== Characters =====
 +Small to medium sized (3.5-5.5 mm), slender, largely black flies with yellowish legs. Arista short pubescent; ocelli present; Ocellar bristles present; Postvertical bristles diverging; 2 pairs of frontal bristles; interfrontal bristles absent; vibrissae absent. Wing clear with vague markings in the central part or at the wing tip; Costa with a subcostal break; vein Sc incomplete; crossvein BM-Cu present; cell cup closed. Tibiae without dorsal preapical bristle.
 +===== Biology =====
 +The biology of the European species is little known. The larvae live under bark of dying or decaying deciduous trees, apparently with a preference for wet, dead ash wood. The adults occur on low vegetation in wet deciduous forests near the breeding sites of the larvae.
 +===== Identification =====
 +[[refs:c:cole_1981|Cole (1981)]]
 
families/brachycera/acalyptrates/strongylophthalmyiidae.txt · Last modified: 2008/05/24 17:01 (external edit)     Back to top
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