Insects of Britain and Ireland: the families of Hemiptera
Salient features of adults. Terrestrial (?).
Predacious (on small arthropods, such as booklice, springtails and aphids). Tiny; 0.5–2.4 mm long (less than 2.5 mm); fliers, or non-fliers; emitting repugnatorial liquid as a defence reaction (?); relatively stout bodied; conspicuously stilt-legged to not stilt-legged. Head non-linear. Rostrum clearly separated ventrally from the prosternum by a sclerotized gula; 4 segmented. Antennae longer than the head, readily visible from above; 4 segmented; non-aristate. Ocelli present, or absent (when brachypterous). Scutellum relatively small. Fore-wings well developed (males), or conspicuous, but much shorter than the abdomen (females, which lack the hemelytral membrane); when macropterous, differentiated into a basally thickened and a distally membranous region; of the macropters, with a costal fracture and cuneus. Tarsi 2 segmented; two-clawed. Claws all apical. Pulvilli absent (?). The abdomen without ventral silvery pubescence.
Hemelytra not punctured, pronotum not keeled.
Taxonomy. Suborder Heteroptera; Cimicoidea.
British representation. 7 species in Britain; genera 2. Loricula, Myrmedobia.
Illustrations. • Myrmedobia, Loricula (Southwood & Leston). • Alleotomus, Deraecoris, Bryocoris, Monalocoris (Southwood & Leston). • Loricula and Myrmedobia, with Cimicidae: Saunders, 1892..
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. delta-intkey.com’.