388 William T. M. Forbes 



1. HEMIMENE Hiibner 



(Dichrorampha Guenee ; with Lipoptycha, in part) 



Antennae simple; palpi moderate (fig. 271), porrect, long-hairy, with the third 

 joint almost as long as the second but mostly concealed in its hair; head nearly 

 smooth; eyes small, with a naked area behind them (fig. 271). Thorax smooth. 

 Fore wing rather broad for a Eucosmid (fig. 247); the outer margin not notice- 

 ably oblique; more or less concave above the middle; tending to form a slight 

 notch at Mj; veins all present and distinctly separate; the base of M 3 and Rt +! , 

 usually distinct. Cu running through middle of wing or rather above; R 3 arising 

 at least 2% times as far from R, as from R 4 . Hind wing proportionate; with 

 R and Mj well separated, more than a third as far as M 1 from M 2 , and more 

 than half as far as M : from M 3 . which are separated more than half as far from 

 each other as Mj from M 2 ; M 3 and Cu^ connate or short-stalked. 



This is the genus as defined by Busck. Meyrick and others have excluded 

 the species without the costal fold, referring them to Lipoptycha. The larvae are 

 usually borers in stems and roots of Composites. This genus and Laspeyresia 

 dispute the position of lowest of our North American Tortricidae. 



Key to the species 



1. Fore wings with cream-white dorsal spot 6. incanana. 



1. Fore wings with a yellow dorsal spot 5. simulana. 



1. Fore wings with a vague yellow dorsal shade, or none; rarely, with short, 

 well-separated, yellow striae. 



2. Apex purplish, contrasting with the tawny base .1. plummeriana. 



2. Apex not purplish and contrasting. 



3. Fore wing with undulating black transverse lines 2. leopardana. 



3. Fore wing without such lines. 



4. Light golden yellow 4. bittana. 



4. Dark fuscous, without yellow 3. dana. 



:: " Ao costal fold (Lipoptycha a net.). 



1. H. plummeriana Busck. Palpi clay-color, with a good many black hairs mixed 

 with some pale ones. Fore wing with base to middle of costa and three -fourths 

 way out on inner margin dull clay-color, strigose, dusted with black; the outer 

 half contrasting yellow-brown, with confused fasciae and marbling of lead-gray, 

 and some black scales, which tend to gather as a lead-and-black fascia along the 

 inner margin of the dark part. Some partly confluent black terminal dots, fol- 

 lowed by a fine yellow line, below the notch, and a single black dot above it ; 

 with clay-colored costal stria? on outer part of wing. Terminal dots and costal 

 striae repeated on under side. Hind wing light gray. 10 mm. 



April to June. Larva in flowers of pawpaw. 



District of Columbia; Cincinnati, Ohio; Urbana. Illinois. 



2. H. leopardana Busck. Bright orange-ochre, contrastingly marked with a 

 mixture of lead-gray and brown -black streaks and partly confluent spots, tending 

 to became oblique streaks along the costa. Terminal dots distinct and separate; 

 below tne notch. Fringe gray, cut with yellow at notch; hind wing dark. 8 mm. 



May to August. Larva on Eupatorium. 

 Maryland to Cincinnati, Ohio. 



3. H. dana Kearfott. Fuscous, with the usual yellow patch on side of palpi, 

 but no other vellow: Fore wing with slight leaden lustre, tending to become 



