GHOUPS AND FAMILIES 69 



12. HELIOTHID.E. Imago of moderate or small size ; 

 the antennae not pectinated; the thorax stout; the 

 abdomen smooth. Flight often diurnal. Larva cylin- 

 drical, not attenuated ; feeding exposed on low plants, 

 often preferring the flowers. 



This family includes the. Pease Blossom, the species 

 of Ileliothis, and the Yellow Underwings of the genera 

 Anarta and Heliodes. We have 10 British species. 



13. ACONTID^. Imago with the antennae slender, 

 simple in both sexes ; the abdomen smooth ; the an- 

 terior wings thick, rather shining, in repose covering 

 the posterior wings and forming a very sloping roof. 

 Larva slender ; rather swollen posteriorly, with 12 or 

 16 legs, feeding on Convolvulus. 



We have only 3 British species. 



14. EKASTRID.E. Imago small, with the antennas 

 short, simple, the abdomen slender, generally crested ; 

 the anterior wings rather broad, often with the lines 

 and stigmata well marked. In repose they form a very 

 flat roof. Larva with 14 legs, half loopers, a little 

 swollen posteriorly. 



W T e have only 3 British species. 



15. ANTHOPHILID^. Imago small, with the antennae 

 short and simple ; the abdomen slender, smooth ; the 

 anterior wings thick ; in repose forming a very in- 

 clined roof. Larva smooth, slender, with 12 or 14 legs ; 

 feeding exposed on low plants. 



We have only 3 British species. 



1 6. PHAL^ENOID^E. Imago with the antennae pubes- 

 cent or ciliated ; the abdomen slender, not crested, 

 coarsely hairy ; the anterior wings thick with the usual 

 lines and the reniform stigma ; the posterior wings are 

 brightly coloured (orange). Larva smooth, elongate, 



