214 LEPIDOPTERA. 



though found rarely in North Staffordshire ; also rare or 

 extremely local in Yorkshire, Lancashire and Cumberland, 

 I have no knowledge of its occurrence in Scotland or Ireland. 

 Abroad it is not very widely distributed, but is found in most 

 parts of Central Europe and in Southern France, Denmark 

 and Portugal. 



Family 2. TRIFIDiE. 



Fore wings usually of fairly even width, often narrow, 

 hind wings rounded behind, vein 5 arising alone from the 

 cross-bar, slender and often hardly distinguishable, causing 

 little or no protrusion at the hind margin. 



An extensive and rather vaguely defined family, comprising 

 the vast majority of the British Noctuina, various in the 

 structure of antennre, of eyes, and of larvce, so much so as 

 to forbid exact definition in these respects. 



PuP^ usually rather cylindrical ; abdominal segments not 

 rapidly tapering ; surface glossy. 



Genus 1. DIPHTHERA. 



AntennsB simple, ciliated; eyes naked, without lashes; 

 thorax strongly crested ; abdomen rather slender, crested on 

 almost every segment ; fore wings rather short and broad. 

 We have but one species. 



1. D. Orion, Esig. — Expanse 1| inch. Collar black; fore 

 wings bright green, with white clouds and black cross-stripes ; 

 hind wings dark grey with white marginal spots ; abdomen 

 rather slender. 



Antennas rather short, flattened, minutely ciliated, light 

 brown in front, back of shaft white ; eyes naked, without 

 lashes ; palpi black, with dense tufts of white scales in front ; 

 head also densely tufted in front, green ; tufts at bases of 

 antennte whitish ; thorax only moderately stout, rounded, 



