234 Journal New York Entomological Society, f^'o'- xxiv, 



sinuated but not hooked at the end ; when viewed from above broadened out 



and then constricted before the extremity which is notched. Basal areole of 

 the fore wings clear or very little clouded, oblong, square at apex. Costa of 

 the fore wings yellowish to beyond the middle, then fuscous ; flaps at base of 

 wings bright red ; the dark clouded spot at base of cubital cell, common to 

 many species, is not present, there is, however, the usual black spot at the 

 extreme base of the wing. Hind wings entirely bright red at base, the red 

 edged outwardly with irregular clouded spots. The dorsum partly covered 

 with short golden hairs, especially on the abdomen, while the underside is 

 clothed with rather long silky hairs. Head black with the supra-antennal 

 plates, a band, expanded at the extremities extending transversely before the 

 front ocellus, and the median groove leading from the ocellus to the hind margin, 

 yellowish. Beneath, the head is black in the region of the transverse rugje, 

 margined with yellowish. Pronotum black, margined all around, but very nar- 

 rowly in front, with yellowish. Metanotum black, posteriorly margined with 

 yellowish. Dorsum of the abdomen black, the segments edged posteriorly with 

 reddish. Uncus black. Beneath, pale, including the valve, with black spots 

 and stripes about the legs. There are some conspicuous black markings at the 

 base of the abdomen, and more than the terminal half of the rostrum is shining 

 black. 



Me.\surements (in Millimeters). 



ISIale type. Female allotype 



Length of body 20 19 



Width of head across eyes 6 6 



Expanse of fore wings 48 50 



Greatest width of fore wing 8 8.5 



Greatest width of operculum 2.5 



Length of valve 4 



In addition to the type which is figured and allotype, the follow- 

 ing specimens have been examined: Corvallis, Oregon, June 29, 1896, 

 female; June, 1906, male (Buchanan); May 2y, female (Currin) ; 

 July 9, male; August, female. Mary's Peak, Oregon, July 18, 1903, 

 three males (Gellatly). Eugene, Oregon, June 10, 1905, male (Fos- 

 ter). Crooked River, Oregon, June 23, 1906, male and female in 

 copulation ; also female marked 1906. Philomath, Oregon, Septem- 

 ber 14, 1906, male. 



