Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae
Unless indicated otherwise, the following attributes are implicit throughout the descriptions, except where the characters concerned are inapplicable.
Adults. Slender-bodied; with fully developed wings. Eyes not crossed by sub-antennal hair-tufts. Tongue fully developed.
Forewings relatively broad. The outer margin of the forewing smooth. Forewings without a transparent discal scar. The discal mark not dark-ringed. Forewings without a median band; without a post-median rivulet; without an oblique red stripe; without eye-spots above. Forewings of the male without a fovea. The outer margin of the hindwings rounded; smooth. The discal mark not dark-ringed.
The abdomen plain.
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 genera of Lepidoptera-Geometridae. Version: 8th June 2016. delta-intkey.com’.