GKOUPS AND FAMILIES 77 



Carpet, Treble Bar, and Streak. We have only 11 

 British species. 



17. SIONID.E. Imago with the antennae of the male 

 simple ; the abdomen very slender ; wings entire, uni- 

 colorous, erect in repose ; the anterior wings rather 

 blunt at the tip. Larva slender, velvety, without lines; 

 feeding on low plants. 



We have only 1 species, the Chimney Sweeper. 



In the PEYALIDINA we have 16 families represented 

 in this country. 



1. HYPENID^E. Imago with the antennae of the male 

 ciliated or pubescent, rarely simple ; palpi rather long, 

 ascending ; the anterior legs with no tuft of hairs ; the 

 wings broad and slight ; the anterior wings often with 

 tufts of raised scales; the posterior wings generally 

 ample and without markings. Larva elongate, cylin- 

 drical, with 14 legs, the first ventral pair often ill- 

 developed ; feeding exposed. 



This family includes the Snout Moths and the allied 

 genera. We have only 7 British species. 



2. HERMINID^. Imago with the antennae of the 

 male pubescent, or pectinated ; palpi rather long, as- 

 cending ; anterior legs frequently with a tuft of hair ; an- 

 terior wings rather thick, with no tufts of raised scales ; 

 posterior wings with feeble markings. Larva short and 

 thick, with 16 legs; feeding more or less concealed. 



This includes the Fan-foot Moths. We have only 7 

 British species. 



3. ODONTID.E. Imago with the antennae of the male 

 short, pubescent ; palpi slender, short, projecting ; the 

 wings thick ; the anterior wings oblong, with a project- 

 ing tuft of scales on the inner margin. Larva short, 

 thick, attenuated at each end ; feeding in stems. 



