2ygsenidae 



FAMILY ZYGy^NIDy^ 



" Every traveller is a self-tnught entomologist." 



Oliver Wendell Holmes.— ZVit- Autocrat of the Breakfast-table. 



The ZygiTuida: are not very well represented in the fauna of 

 North America. They are more numerous in the Old World than 

 in the New, and the genera found in the New World are mainly 

 aberrant. The family has been characterized as follows by 

 Hampson, "Moths of India," Vol. I, p. 228: "Closely allied to 

 the Syntomidce, but distinguished by vein \a of the fore wing 

 being present, except in Anomoeotes'^\ vein 8 of the hind wing 

 present and connected with 7 by a bar; veinlets in the cell of both, 

 with wings generally present. Frenulum present except in Hi- 

 mantopterus.^ 



Larva short and cylindrical. 



Pupa in a silken cocoon." 



Genus ACOLOITHUS Clemens 

 (i) Acoloithus falsarius Clemens, Plate XVI, Fig. 14, >^ . 



Syn. sanborni Packard, 



The larva feeds upon the grape and the Virginia creeper 

 {Ampelopsis). The insect is not scarce in the Atlantic States. 



Genus PYROMORPHA Herrich-Schseffer 



(i) Pyromorpha dimidiata Herrich-Schseffer, Plate XLVII, 

 Fig. ^^, S . 



Syn. perlitcidula Clemens. 



The insect is not very common. It is a native of the eastern 

 portions of the territory with which this book deals. 



Genus TRIPROCRIS Grote 



There are eight species assigned to this genus in recent lists. 

 They are all found in the southwestern portions of our territory, 

 (i) Triprocris rata Henry Edwards, Plate XIII, Fig. 4, 5 . 

 A native of Arizona. 



1 Genera found in Asia and Africa. 



