i86 LEPIDOPTERA. 



most of the species of Noducn may, instead of being simple 

 and easy, appear meaningless, if not incomprehensible. 



The vast majority of the species are strongly built, the 

 thorax stout and often squared, abdomen usually moderately 

 stout and tapering off small at the tail, rather pointed in the 

 females ; fore wings strong and stiff, not very blunt, either 

 narrow or triangular ; hind wings broad and ample and much 

 slighter in texture ; wings complete in both sexes in all our 

 species ; and as a general rule the sexes very similar, some- 

 times difficult to distinguish. 



Antennge in the male most variable, pectinated, half- 

 pectinated, serrated, tufted, ciliated, or simple and quite 

 naked ; always threadlike in the female. 



Family 1. C YMATOPHORID^. 



Antennae threadlike ; palpi rather short ; thorax rounded, 

 with scales usually in dense raised tufts ; fore wings rather 

 broad ; hind wings thin and delicate. 



Larvae usually naked, feeding on trees or shrubs, in most 

 species concealing themselves under, or between, the leaves. 



PuP^ rounded ; abdominal segments tapering in a conical 

 form somewhat as in the Gcomctridm ; texture dull; anal 

 armature consists of hooked bristles placed on a spine. 



Genus 1. GONOPHORA. 



Antennae rather short, ciliated ; eyes naked, with lashes at 

 the back ; back of thorax strongly crested ; abdomen without 

 crests ; fore wings broad ; hind wings ample, vein 5 very 

 near to vein 4. 



1. G. derasa, L. — Expanse, 1| inch. Fore wings light 

 buff, with two broad diverging white stripes and numerous 

 zigzag lines ; hind wings grey-brown. 



AntennaB simple, faintly ciliated, light brown ; head tufted 

 pale brown ; thorax rather squared, with a broad erect 



