AMERICAN LEPIDOPTKRA. -4.i 



straight, slightly excised in its apical two-fifths; 8 veins, anterior 

 median concurrent with 8 and sending a short oblique vein to the 

 beginning of vein 7. Hind tibise roughened with long, stiff hairs. 



The type of the genus was placed by Clemens in Ineurvaria with 

 a remark to its doubtful position in the same. I have one other 

 species to add to the genus. 



The two species are distinguished as follows: 



Antenna yellow; longitudinal stripe of (brewing not including the anal angle. 



mediostriatella. 



Antennae fuscous ; stripe commences at base of dorsal margin. 



chry socomella . 



I. mediostriatella Clem.— PI. V, fig. 5.— Dyar's List, p. 569, No. 6481 — 

 Head deep ochre-yellow. Labial and maxillary palpi yellowish, former fuscous 

 brown externally and beneath. Antennae pale yellow throughout. Thorax a 

 deep dark brown. Forewings dark purple-brown, a broad stripe beginning in 

 middle of base and leaving each margin free, extends longitudinally through mid- 

 dle of wing and half its length ; immediately beyond and very narrowly separa- 

 ted from it is a large dorsal spot, and opposite to it but a little further an oval 

 costal spot, which, however, leaves the extreme costa free, all pale golden yellow ; 

 apical cilia pale yellow, remainder brown, a few minute yellow dots along base 

 of cilia; brown part of wing dusted with very fine, yellowish scales; underside 

 purple-brown. Hind wings golden brown, scales oval ; cilia fuscous, scarcely over 

 1; underside brown, paler than the forewings. Underside of body and legs sil- 

 very gray, tinged with yellowish and dusted with fuscous. 



Exp. 8.5-9.0 mm. ; 0.34-0.36 inch. 



Hub. — Atlantic States. 



I have taken this species in August and September in damp 

 localities; also attracted by light. 



I. clirysocoiuella n. sp. — Head deep sulphur-yellow. Palpi pale yellow, 

 labials tinged with fuscous externally. Antenna' brownish fuscous, paler be- 

 neath and not quite as long as forewings. Thorax sulphur-yellow, slightly inter- 

 mixed with brown. Forewings a reddish brown, a longitudinal stripe, beginning 

 at the anal angle and basal part of dorsal margin, somewhat curved and becom- 

 ing wider posteriorly, reaching to middle of wing length, where it connects with 

 a large costal spot wbich includes extreme costa, and opposite to which and a 

 little further is a dorsal spot which extends into the cilia, all bright golden yel- 

 low; tbe brown part is sprinkled with pale, whitish hair like scales, apical part 

 with yellow scales. Cilia brownish, yellow around the apex. Hindwings brown- 

 ish fuscous. Underside of body and legs grayish fuscous, tarsi annulate with pal. 



Exp. 7.0 mm. ; 0.28 mm. 



Itab. — Kansas (Onaga). 



A single specimen in my collection. Very similar to and yet very 

 distinct from the preceding. 



TRANS. AM. ENT. SOC. XXXI. JANUARY. 1905. 



