LEP1D0PTERA. 



Genus 94. ERASTRIA. 



Antenna ciliated ; eyes naked, without lashes ; thorax 

 narrow, crested at the back, and the collar raised ; abdomen 

 slender, having three or four dorsal crests. Fore wings 

 short, somewhat ovate, broad behind, the markings more of 

 the normal character ; hind wings plain, cross-bar angulated ; 

 vein 5 curved, arising near to vein 4. 



We have but one species. 



1. E. fuscula, Bhh. ; fasciana, Stand. Cat. — Expanse 

 1 to 1| inch. Body rather slender; fore wings broad, 

 blackish-brown, with a very large ovate white blotch occu- 

 pying much of the hind-marginal space above the anal 

 angle ; stigmata edged with white. Hind wings pale 

 smoky-brown. 



Antennas of the male simple, shining purplish-black, 

 barred at the back with white ; palpi oblique, rather 

 prominent, yellowish- brown inside, outwardly dusky-black; 

 eyes prominent, black ; head rather smooth, purplish-black 

 dusted with white ; thorax narrow ; collar small but raised 

 and well divided, mixed black and brown, and edged in two 

 arches with white ; remainder of the thorax possessing a 

 frosted appearance, the black-brown scales being each tipped 

 with white ; at the back is a broad raised convex crest, and 

 immediately beneath it a drawn-together tuft of scales ; 

 fascicles small, white ; abdomen slender, black-brown, 

 abundantly dusted with white, on each of the first four 

 segments an erect black dorsal crest, those on the third and 

 fourth the largest ; lateral and anal tufts tipped with whitish- 

 brown. Fore wings short, blunt, and very broad behind ; 

 costa gently arched ; apex angulated ; hind margin below it 

 hardly curved and nearly perpendicular, but bent or elbowed 

 in the middle and much more oblique below, yet with the 

 anal angle distinct ; dorsal margin straight ; colour black, 

 abundantly dusted with golden-brown ; basal line indicated 



