650 William T. M. Forbes 



ing forward, and some posterior hairsj mostly on three warts. Pupa green with 



white hair, the wing cases smooth, with one row of short hairs; with cream dorsal, 



subdorsal, and subventral stripes, and a broken lateral, the subventral on the ridge. 



Quebec to New Jersey, British Columbia, and California. New York: Ithaca. 



9. 0. elliottii Fernald. White; head brownish. Fore wing normally with traces 

 of the usual spots and oblique bar at the base of the notch; sometimes practically 

 immaculate. Fringe brownish except in the cleft. Middle tibia with a strong tuft. 

 22-25 mm. 



June and July. Larva on Eupatorium; light green, with smooth shining white 

 hairs; head pale ochreous. A broken, yellow dorsal line, lateral, stigmatal, and 

 traces of a subdorsal; tubercles i, ii, and iii with one strong hair each, iv+v with 

 four long hairs, the wart behind it with a couple of short ones; only vi with twelve 

 hairs. Pupa similar to that of homodactylus, with several rows of hairs on the 

 wings, shorter hair generally, and with a mid-dorsal hair on several segments. 



Quebec to New Jersey; west to Illinois and Manitoba. New York: Ithaca, 

 Nassau ( ?). 



10. 0. stramineus Walsingham. More or less ochreous yellow; head brown in 

 front and above; abdomen with brown dorsal and ventral lines. Fore wing usually 

 with a distinct brown spot at the cleft; tips of veins sometimes brown; frequently 

 with a brown shade from the base near the inner margin to the apex of the first 

 feather, the apical part of the shade most persistent. Fringe and hind wing 

 grayer. 15-21 mm. 



July to September. A larva, possibly of this species, occurs on Anaphalis in 

 Colorado. It is white, heavily granulose with black, and with a brownish black 

 head. 



Eastern Canada to New Jersey, and west to the Pacific. The specimens recorded 

 below as of sulphureodactylus may belong here, as they are small, but all three 

 have lost their abdomens. 



11 0. paleaceus Zeller. Very pale brownish gray; head brown, pale between 

 antennae. Fore wing shaded with pale fuscous on costa outwardly, and tending 

 to show a pale longitudinal streak below the costa, rarely suffused with brown; 

 a darker spot at base of fissure. Legs yellowish white, shaded with fuscous below. 

 (The ground is usually the light buff of Ridgway's Nomenclature of Colors foi* 

 Naturalists, — 17'f or 17"f. ) 19-26 mm. (sericidactylus Murtfeldt.) 



Two broods. Caterpillar on Vernonia, varying from greenish white to dull 

 salmon, the shorter hairs sticky. Pupa varying in color. 



General south of Canada. 



12. 0. lacteodactylus Chambers. Cream white, with more or less distinct dark 

 dots at tips of veins, but at most a faint dot at the cleft. 25-28 Trim , (kellicottii 

 of collections, in part. ) 



May to July. 



Nova Scotia to North Carolina and California. New York: Portage, Potter 

 Swamp (Yates County), Ithaca; Lynbrook, Long Island. 



13. 0. kellicottii Fish. Cream color, slightly streaked with brown, and some- 

 times with some scattered black scales; dark brown fissural dot; brown terminal 

 dashes, usually one above the apex and two below on the first feather, and four on 

 the second. Wing slightly translucent between the veins. Hind wing silky brown- 

 gray; legs whitish. 30 mm. (chlorias Meyrick. ) 



June. Larva unknown. The larva described as of this species is obviously a 

 Platyptilia. 



Laurentians, Quebec to Pennsylvania. New York: Ithaca. 



14. 0. balanotes Meyrick. Brownish white, suffused more or less with brown; 

 abdomen striped. Palpi exceptionally long, long enough to reach base of antennae 

 if turned up. Fore wing, when fully marked, with dark brown spots at tips of 

 veins, a double spot at lower angle of cell, and a powdery streak from base of 



