26 AECTIAD^. 



costa, then oblique ; some fuscous points on costa and an obliquf 

 striga to upper angle of cell ; the postmedial line punctiform, angled 

 below costa and incurved below vein 3 ; traces of an irregular sub- 

 terminal line. Hind wing white, tinged with brown towards apex; 

 a diseoidal point. 



Hah. F.S.A., Atlantic States, Ontario, Grote Coll., 3 c? , type. 

 Ea>p. 20 millim. 



Larva, Dyar, Psyche, vi. p. 110. 



Body broad, short, much flattened, with four pairs of prolegs ; 

 each segment with four dorsal tubercles with dusky hairs ; larger 

 lateral tubercles with longer hairs ; length 13 millim. Food-plant, 

 Oal-, hiding on the bark. 



Cocoon. Boat-shape, flattened ; attached to surface of leaf and 

 formed of silk lined with bits of leaves. 



46. Celama clethrse. (Plate XVIII. fig. 20.) 



JSTola cletJircs, Dyar, Can. Ent. 1899, p. 62. 



5 . Head and thorax white ; palpi blackish at sides, head slightly 

 irrorated with fuscous, tegula3 barred with black, thorax strongly 

 irrorated with bluish fuscous, abdomen paler. Fore wing bluish 

 grey irrorated with fuscous ; the basal half of costal edge black ; a 

 subbasal striga from costa and a short streak on subcostal nervure } 

 the antemedial liue rather indistinct, very acutely angled in cell^ 

 then oblique ; the tufts of scales at middle and end of cell rather 

 large ; some black points on costa ; the postmedial line punctiform, 

 angled at vein 5, then oblique, and with traces of a band on its inner 

 side ; an indistinct irregular subterminal line. Hind wing grey 

 8uff"used with fuscous ; a dark diseoidal point. 



Hab. U.S.A., N. York (Bijar), 1 $ cotype. Exj). 20 millim. 



Egg, Dyar, Can. Ent. 1899, p. 62. 



Egg flattened above, somewhat elliptical ; sides 25-ribbed, with e. 

 waved line on the surface of each rib, with fine i^arallel cross-strise 

 forming elongate cells, the flattened vertex finely reticulate ; size 

 •4-'5 X '3 millim. : laid on under surface of older leaves near a vein. 



Larva. Stage I. Translucent whitish, showing the green food ; 

 head 2 millim ; hairs single, the primary ones only present ; on 

 abdomen ii. is large and black, alternating, leaning outwards on 

 somites 7, 9, 11, the other hairs pale, iv. very long, v. shorter and 

 pale ; hair i. shorter than ii. ; iv., v. approximate, iv. scarcely higher 

 than V. ; on thorax i.« small, \.h large and black ; ii.a & h close 

 together, the former very small ; v. long, vi. very small ; hairs fine, 

 not glandular, slightly spinulose ; skin with fine spinules. 



Stages II., III. rather opaque white ; warts in four rows, i. & ii. 

 and iv. & v. coalesced ; hairs short, bristly, brownish. 



Stage IV. Warts large, spiracles brown ; hairs pale, the shorter 

 ones brown-tipped. 



Stage V. Head with the mouth brown, a dark grey patch at 

 apex of each lobe; the three upper rows of warts large, the lower 

 small ; body short and thick ; translucent white, shaded round base 



