COENONYMPHA] SATYRIDAE 341 



1. 0. tiphon, jRott. (davus, F.) 32-37 mm. Fore wings greyish- 

 fulvous, towards margins or wholly suffused with grey or 

 fuscous ; sometimes a blackish pale-ringed spot towards apex. 

 Hindwings as forewings, but sometimes with several blackish 

 pale-ringed subterminal spots. Wings beneath darker, with a 

 variable irregular whitish postmedian fascia ; in forewings two, 

 in hindwings seven black white-centred pale-ringed subterminal 

 spots, all often much reduced or wholly obsolete. 



Derby to the Shetlands, Ireland, on boggy ground, common ; 

 N. and C. Europe, N. Asia (?) ; 6, 7. Larva green, whitish- 

 irrorated ; dorsal line dark bluish -green, edged with pale 

 yellowish ; lateral pale yellowish, dark-edged above ; spiracular 

 darker green ; subspiracular pale yellowish ; anal points pinkish ; 

 head green : on Rhynchospora and Carex ; 8-5. Imago very 

 variable, tending to produce tolerably constant local forms. 



2. 0. pamphilus, L. 27-33 mm. Forewings ochreous-orange ; 

 costa posteriorly and termen fuscous; a small dark fuscous 

 spot towards apex, sometimes obsolete. Hindwings as fore- 

 wings but more brownish- tinged, with indistinct paler post- 

 median fascia on costal half ; no subapical spot. Forewings 

 beneath with subapical spot black, white-centred, pale-ringed. 

 Hindwings beneath grey, partly suffused with brown, post- 

 median fascia ochreous-whitish ; sometimes a posterior series of 

 cloudy brown spots enclosing pale dots. 



Britain to the Shetlands, Ireland, very common ; Europe, 

 N. and WC. Asia, N. Africa ; 5-9. Larva green ; dorsal line 

 darker green, pale -edged ; lateral obscurely yellowish, dark- 

 edged above ; spiracular darker green ; subspiracular yellowish ; 

 head green : on grasses ; 7-4. 



3. ERYCINIDAE. 



Anterior legs in reduced, useless for walking, in $ well- 

 developed ; posterior tibiae without middle-spurs. Forewings : 

 8 and 9 out of 7. Hindwings with praecostal spur. 



This extensive family, represented in Europe by a single 

 species only, is mainly characteristic of tropical America, a few 

 species also occurring in N. America and the Indo- Malayan 

 region. Most of the species are rather small, usually dark- 

 coloured, with light or bright spots or patches. 



Ovum spherical, smooth. Larva stout, attenuated towards 

 extremities, with tufts of short hairs. Pupa rounded, attached 

 by the tail and a central belt of silk. 



