AUGUST. 231 



LEPIDOPTBRA. HEPIALIB.E. 



HEPIALUS. 



Generic Distinctions. Antenna very short, sometimes slightly 

 serrated ; palpi and maxillae both wanting. 



HEPIALUS SYLVANUS. Orange Swift. This species is 

 orange- colour, with three white-lines ; the upper wings also 

 variegated with chestnut-colour, and a small dusky spot on 

 the disc. 



HEPIALUS HUMULI, Ghost Moth, is pure satiny- white, 

 margined with yellow ; the female being entirely of that co- 

 lour, with streaks of brown on the anterior wings. In this 

 genus the female is unlike the male in colour and markings ; 

 the caterpillars feed on the roots of plants, and, previous 

 to their change, they bury themselves in an oval cell, com- 

 posed of grains of sand held together by silken threads ; the 

 eggs resemble grains of gunpowder. The H. humuli is some- 

 times found in June. All the species of this beautiful genus 

 are very local in their habits. 



LEPIDOPTEKA. BOMBYCID^. 



GASTROPACHA. 

 Generic Distinctions. Antenna sort, curved, and bipectinated 



