N0.1376. LEPIDOPTERA OF THE KnOTEXM DISTRICT— DYAll. 873 



COSMIA PALEACEA Esper. 



Sixteen specimens, July 7 (bred), 30, 31 (l)re(l), Ano-ust 4, (>, 7, 13, 

 18. Of these eioht have the spot in the reniforni like Kuropciiii jxil,- 

 acea; the others lack it (var. discolor Walker). The lar\a was foiuKl 

 on birch and aspen. 



Sta<je VL — Head bilobed, free, shinino- palo yellow, ocelli parti v 

 brown; width, 3.5 mm. Body moderate, joint 12 scarcely enlarocd. 

 Translucent frosted whitish, food showing green. Dorsal line white, 

 narrow, straight; subdorsal less rigid and narrower, two stigniatal 

 lines, one a])ovc and one below the si)iracle, linear, waved like the sul)- 

 dorsal. Feet pale, no shields, tubercles small, white, iv above the 

 center of the spiracle posteriorly. The skin is perfectly transparent, 

 the whitish frosted look being subcutaneous and caused largely by the 

 branches of the trachea?, both those running to the skin and to the 

 stomach being separately visible. Spiracles white, brown ringed. 



ORTHOSIA PURPUREA Grote. 



Three specimens, September S (Ijred), lu (bred), and four from 

 Mr. Cockle's collection, September 18, 19, 20. Larvte were found on 

 hollyhock and plantain. 



Stage V. — Joint 12 slightly enlarg-ed; green, dorsal, subdorsal, and 

 broad substigmatal bands white, the subdorsal waved; bod}- all white 

 dotted; tubercles small, white; spiracles white, black ringed. 



Stage VL — Head rounded, apex in joint 2, erect, very pale brown, 

 mottled reticulate in darker gray, forming faint broad bands on the 

 faces of lobes. Bod\^ cylindrical, normal, joint 12 scarcel}' enlarged. 

 Cervical shield black with a few pale dots, cut ])v a whitish subdorsal 

 line, weakl}^ cornitied. Body light brown, minutely dotted with 

 whitish; a series of subdorsal black marks on joints 5 to 12, diamond- 

 shaped and throwing' an arm from the lateral angles anteriorl;/, lighter 

 centrally, cut by the narrow', broken, powcUny' white dorsal line. 

 Tubercles i and ii small, white. Traces of a pale subdorsal line, black 

 edged; sul)stigmatal line broad, filled bv mottlings of the brown 

 ground till only its edges show white, dotted like all the ground and 

 especially the subventral region. Tubercles iii to vi white, not as 

 contrasted as tubercles i and ii. Feet all j)ale. 



ORTHOSIA BICOLORAGO Guenee, var. FERRUGINOIDES Guenee. 



m 



Eight specimens, August 12, 17, 18, and two from Mr. Cockle's 

 collection August 21 and September 1}». 



ORTHOSIA EUROA Grote and Robinson. 



One specimen, August 22 (Kcvelstoke) and one from Mr. Cockle's 

 collection August 20. 



Proc. N. :M. vol. xxvii-03 OO 



