Insects of Britain and Ireland: butterflies
Unless indicated otherwise, the following attributes are implicit throughout the descriptions, except where the characters concerned are inapplicable.
Adults. The wings opaque. Small-headed. The eyes not white-rimmed; neither notched nor emarginate, being separated from the bases of the antennal sockets. The head and antennae not rosy-tinged. Antennae inserted markedly less than one half the width of the head apart. The antennal clubs not curved; not hooked at their tips. Having all 6 legs fully developed and operational for walking. Fore-legs of female operational for walking.
Forewings. The outer margins not scalloped. Uppersides of the forewings not conspicuously dark-veined; without eye-spots.
Hindwings. Hindwings not tailed; the tail not filamentous; with the outer margins not scalloped. Uppersides of the hindwings not dark-veined. Uppersides of the hindwings not eye-spotted.
Undersides of wings. Undersides of the wings not multiply patterned with pale-ringed black spots or sinuous lines.
Undersides of the forewings not green. Undersides of the forewings not dark-veined; not eye-spotted.
Undersides of the hindwings not bright green; not dark-veined; not eye-spotted; without metallic markings.
Wing venation. Forewings without basally dilated veins. Forewings with a discal cell.
Hindwings without a praecostal spur.
Eggs, larvae, pupae. The larvae not woodlouse-shaped; having no known association with ants; without tentacles on segment 2; without bristly spines; exposed feeders; not feeding in communal tents.
Pupae smooth and rounded; plain; without shining-metallic markings.
British representation. The adults not hibernating.
Distribution. Frequenting open places.
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. 2008 onwards. Insects of Britain and Ireland: butterflies. Version: 16th May 2016. delta-intkey.com’.