British Insects: the Families of Diptera
British Insects: the Families of Diptera | |
Unless indicated otherwise, the following attributes are implicit throughout the descriptions, except where the characters concerned are inapplicable.
Non-parasitic.
Adult insects. Not stilt-legged. The legs not readily shed. Winged. Antennae terminal segment not annulated. The second antennal segment not grooved. Ptilinal suture absent or weakly defined. Eyes not meeting. Mouthparts functional. Thorax without a continuous dorsal suture. The dorsal suture neither V-shaped nor U-shaped. The costa unbroken; not extending around the entire wing. Wings without a sharp bend in vein 4; without a ‘vena spuria’; unpatterned. Feet without a triple pad.
Larvae and pupae. Larvae not gall-forming.
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: 9th June 2008. http://delta-intkey.com’.