Diagnosis. Small to medium-sized flies (3.0-6.0 mm). Head round to somewhat flattened; antennae short; no vibrissae. Thorax broad, subquadrate; thorax weakly pruinose (Rivellia) to strongly pruinose and patterned (Platystoma). Wing membrane with transverse bands (Rivellia) or darkened with pattern of pale markings (Platystoma); C only with humeral break; R1 with series of short setulae; cell cup without extension at posterodistal corner. Legs without conspicuous setae.
Biology. Adults are usually found on or near humid meadows in open and semi-closed areas. Adults of Rivellia have been reported to feed on nodules on roots of Leguminosae.
General references. Clements (1990 [key]), D.K. McAlpine (1998a [general, key to genera]), Soós (1984a [catalogue]), Steyskal (1987e [general, key to genera]).
References to the local fauna. No recent relevant references.
How to quote this page: Beuk, P.L.Th., 2013. Family Platystomatidae. In: Beuk, P.L.Th. (Ed.): Checklist of the Diptera of the Netherlands, https://diptera-info.nl/news.php?fam=Platystomatidae (date accessed: 19/04/2025).
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