Insects of Britain and Ireland: the families of Hemiptera

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L. Watson and M. J. Dallwitz


Salient features of adults. Terrestrial; littoral, or not littoral.

Phytophagous. Tiny to small; (4–)5–7(–8) mm long; fliers. Head non-linear. Rostrum not separated from the prosternum by a gula. Antennae longer than the head, readily visible from above; consisting of short segments with a terminal, unsegmented arista that is much longer than the segments. Ocelli present; 2–3 (one on each side of the head, and a third, which is almost obsolete, near the apex of the middle facial keel). Tegulae present. Fore-wings well developed; in the resting insect sloping roof-like over the abdomen; more or less uniform in texture; with transparent cells (the cells glassy); without costal fracture and cuneus; with a clavus; without conspicuously raised, reticulate venation. Clavus with two veins uniting posteriorly to form a Y. Hind coxae immobile. Tarsi 3 segmented.

Mesonotum with 3 or 5 dorsal keels; tegulae present, covering bases of fore-wings; fore-wings clear and membranous, with conspicuously raised veins.

Taxonomy. Suborder Homoptera. Auchenorrhyncha. Fulgoroidea.

British representation. 12 species in Britain; genera 2. Cixius and Oliarus.

Illustrations. • Cixius cunicularius: B. Ent 673. • Cixius cunicularius: B. Ent 673, legend+text. • Cixius cunicularius: B. Ent 673, text cont.. • Cixius (8 spp.), Oliarus (2 spp.): Edwards.

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. Insects of Britain and Ireland: the families of Hemiptera. Version: 16th May 2016.’.