British Insects: the Families of Diptera
~Empididae or Platypezidae.
Adult insects. Antennae 3 segmented; modified; aristate, or not aristate (?); the arista if present, apical. Ptilinal suture absent or weakly defined. Eyes asymmetric, nearly or quite connected above the antennae, or rounded, well separated (?). The maxillary palps 1 segmented, or 2 segmented; porrect. Wings without a sub-apical cell. The costa not extending around the entire wing. Wings without a vena spuria. Feet without a triple pad. The hind tarsi normal.
Larvae and pupae. The larvae hemicephalic. The pupae without a puparium.
Comments. This description hopelessly inadequate.
Classification. Suborder Brachycera; Division Asilomorpha; Superfamily Empidoidea.
British representation. 2 species in Britain. Genera 2; Atelestus.
Illustrations. • Platycnema pulicarius (from Walker).
To view the illustrations with detailed captions, go to the interactive key. This also offers full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, and distributions of character states within any set of taxa.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. British insects: the families of Diptera. Version: 1st January 2012. http://delta-intkey.com’.