246 LEPIDOPTERA OF NORTH AMERICA. 



Larva. Blue, transversely banded with deep orange across the 

 middle of each ring; bands dotted with black; head and feet 

 orange ; top of the llth ring somewhat bulging, and the forepart 

 of the body hunched up when at rest. Feeds on the grape. 



United States. 



HARRIS. 



2. E. unio Hiibner. 



Smaller than E. grata ; differs in having the stripe and band on 

 its fore wings of a brighter purple brown color, the round and 

 kidney-shaped spots contiguous to the former also brown, the 

 olive-colored edging of the band wavy with a powdered blue spot 

 between it and the triangular olive-colored spot on the inner 

 margin, and a distinct brown spot on the inner hind angle of the 

 posterior wings ; all the wings beneath are broadly bordered behind 

 with light brown, and the spots upon them are also light brown. 



United States. 



HARRIS. 



DATANA WALK. 



Body rather stout, pilose ; hairs rather smooth. Proboscis short, 

 not exceeding the breadth of the head. Palpi short, porrect, not 

 extending beyond the head ; second joint very much longer than 

 the first; third acute, very minute. Thorax somewhat convex. 

 Abdomen extending for one-fourth of its length beyond the hind 

 wings. Legs stout, pilose ; hind tibiae with four rather long spurs. 

 Wings broad or rather broad. Fore wings nearly straight along 

 the costa, hardly angular at the tips ; exterior border more or less 

 oblique ; three inferior veins ; first and second united at the base ; 

 third rather remote. Male. Antennae minutely pectinated ; the 

 branches successively but very slightly decreasing in length. 

 Female. Antenna minutely serrated. 



1. D. ministra Drury. Figured in Drury, pi. 14. Sm. Abb. pi. 81. 



Luteous-tawny. Thorax rather darker towards the hind part, 

 which is pale testaceous. Pectus, abdomen and legs pale testa- 

 ceous. Fore wings tawny, with four slender ferruginous bands ; 

 first band at one-fourth of the length, curved outward ; second, 



