PLATYPTERYX. 73 



British species are not rare, and are easily disturbed during 

 the daytime. They are generally white, grey, or brown, with 

 darker transverse lines, and sometimes blotches. 



This family numbers about thirty genera, and is about 

 equally well represented in the different quarters of the globe ; 

 but none of the genera are very numerous in species. I 

 shall notice one or two of the most interesting and repre- 

 sentative British and foreign genera, and will then pass on to 

 the more important families which follow. The DrepanuIidiC 

 are a fairly well-marked group, but are connected by various 

 links with the Notodotitidce, BoinbycidcB^ Safurniidce, and, 

 perhaps, even with the Psycliidce. 



GENUS PLATYPTERYX. 



Drepana, pt. Schrank, Fauna Boica, ii. (2), p. 155 (1S02) ; 

 Stephens, 111. Brit. Ent. Haust., iv., p. 5 (1834). 



Platypteryx^ Laspeyres, Neue Schrift. Ges. Nat. Freunde 

 Berl, iv., p. 29 (1803) ; Hiibner, Tentanicn, p. i 

 (1810?); Treitschke, Schmett. Eur., v. (3), p. 399 (1839). 



Falcaria, pt. Haworth, Lepid. Brit., p. 152 (1809). 



The type of this genus was fixed by Hiibner as P. hinaria 

 (Hufnagel) = P. hanmla (Esper). I have figured an allied 

 species, P. harpai^ida (Esper). These moths are all very 

 similar in shape, the tip of the fore-wings being more or less 

 hooked, and the hind margin below forming a rounded curve 

 to the inner margin, the hinder angle being entirely rounded 

 off. The type of the genus Falcaria is F. lacertiiiaria 

 (Linnaeus), in which the hind margin of the fore-wings below 

 the tip forms two or three strong tectli before the hinder 

 angle, which is less completely rounded off than in Pla- 

 typteryx. 



