| | Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae |
Cheimatobia.
Adults. Crepuscular and nocturnal; with fully developed wings, or flightless. The flightless females with rudimentary wings. Antennae of males bipectinate; bipectinate to the apex. Face smooth to rough. Tongue absent.
Wingspan 31–34 mm. Forewings brown or dark fuscous, faintly reddish tinged, the lines darker fuscous; with a clear discal mark (this dark). Forewings of the male without a fovea. Hindwings conspicuously patterned to plain; fuscous-whitish; with a clear discal mark (this rather conspicuous, dark); transversely lined (with a well defined, grey second line).
Hindwings lacking a tubular vein 5. Vein 8 of the hindwings approximated to or anastomosed with the upper margin of the cell to the middle or beyond. Hindwing veins 6 and 7 separate.
Thorax smooth. Posterior tibiae of males 4-spurred.
Early stages. Larvae feeding on Crataegus, Prunus spinosa.
British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland. Living adults found late January and February. T. primaria (Early Moth).
Subfamily. Ennominae.
Illustrations. • Aleucis, Cabera, Campaea, Gnophos, Hylaea, Lomagrapha, Theria: Newman 1869. 1, Campaea margaritata (Light Emerald); 2, Hylaea fasciaria (Barred Red); 3, Cabera exanthemata (Common Wave); 4a-f, Cabera pusaria (Common White Wave); 5, Lomographa bimaculata (White-pinion Spotted); 6, Lomographa temerata (Clouded Silver); 7, Aleucis distinctata (Sloe Carpet); 8a-b, Theria primaria, male and vestigially-winged female); 9, Gnophos obfuscatus (Scotch Annulet); 10a-c, Charissa obscurata (The Annulet). From Newman, 1869. • Oenochrominae and Ennominae: Kirby 47. OENOCHROMINAE. 17, Alsophila aescularia (March Moth). ENNOMINAE. 1, Epione vespertaria (Dark Bordered Beauty); 2, Epione repandaria (Bordered Beauty); 3, Cepphis advenaria (Little Thorn); 4, "Hypoplectis adspersaria", = ?; 5, Pseudopanthera macularia (Speckled Yellow); 6, Eilicrinia cordiaria; 7, Semiothisa alternaria (Sharp-angled Peacock); 8, Semiothisa signaria ; 9, Semiothisa liturata (Tawny Barred Angle); 10, cf. Epirrhanthis diversata; 11, Theria primaria (Early Moth); 12, Agriopis bajaria; 13, Agriopis leucophaearia (Spring Usher); 14, Agriopis aurantiaria (Scarce Umber); 15, Agriopis marginaria (Dotted Border); 16, Erannis defoliaria (Mottled Umber); 18, Phigalia pilosaria (Pale Brindled Beauty); 19, Apocheima hispidaria (Small Brindled Beauty); 20, Lycia pomonaria; 21, Lycia zonaria (Belted Beauty); 22, Lycia hirtaria (Brindled Beauty); 23, Biston strataria (Oak Beauty); 24, Biston betularia (Peppered Moth); 25, Menophra abruptaria (Waved Umber); 26, "Nychiodes lividaria", cf. Eunychiodes amygdalaria?. From Kirby 47, with updated names.
We advise against extracting comparative information from the descriptions. This is much more easily achieved using the DELTA data files or the interactive key, which allows access to the character list, illustrations, 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. See also Guidelines for using data taken from Web publications.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae. Version: 14th February 2021. delta-intkey.com’.
