134 LEPIDOPTERA OF NORTH AMERICA. 



1. P. americana Boiscl. Figured in Guerin's Iconographie and GriflBLtli's 



Cuvier. 



Blue black, with a saffron colored collar and a fan shaped, some- 

 what bilobed black caudal tuft. Expands from ten lines to an 

 inch. Larva hairy, green, with black bands. It is gregarious 

 and devours the leaves of the grape vine, and undergoes its trans- 

 formations in an oblong-oval, tough whitish cocoon, which is fas- 

 tened to a leaf. 



2. P? smithsoniana Clemens. Pr. A. N. S. p. 540, 1860. 

 The entire insect is greenish black ; immaculate. 



Texas. 



Clemens. 



3. P. (Acoloithus Clemens) falsarius Clem. Pr. A. N. S. p. 540, 1860. 

 Black. Prothorax fulvous, especially on the sides, with a point 



on the median line black. Hind wings rather thin. 



Penna., 111. 



Clemens. 



MALTHACA Clemens. 



M. perlucidula Clemens. Proceedings Acad. Nat. Sci. Phila. 1860, p. 541. 



Blackish-brown. Wings slightly transparent. Fore wings with 



the basal half luteous above the fold. Hind wings luteous along 



the costa from the base to the middle. 



Clemens. 



GLAUCpPIS Fab. 



Wings narrow in some, broad in others, entire, for the most part 

 opaque, and with the body more or less glossed with blue, some- 

 times spotted or partially transparent. Antennce feathered or bi- 

 pectinated in both sexes; the pectinations elongated in the males 

 and short in the females. Palpi more or less elongated and re- 

 curved. Tongue moderate, spirally rolled. Caudal tuft minute 

 or wanting. Posterior tibiae with three or four spurs of moderate 



size. 



Harris. 



1. G-. ipomoeae Harris. 



Fore wings greenish-black, with three yellowish-white dots near 

 the front margin and two others close together beyond the middle; 



