NO.1290. LARVM OF MOTHS FROM COLORADO— DYAR. 375 



large, pale, curved. Black with yellow dorsal line, fine, broken pul- 

 verulent; subdorsal line double, running along tubercles i and ii, 

 similar, a little less broken; lateral line broader, broken on the annu- 

 let incisures; traces of a line along tubercle iii; stigmatal band broad, 

 including the spiracles and tubercle iv, sharp edged, luteous cen- 

 tered. Feet black. Shields uncornified concolorous, their tubercles 

 black. 



Stage VI. — Head green, lirownish freckled on the vertex, ocelli 

 black, cpistoma whitish; width 2.T mm. Body cylindrical, normal, 

 shields not cornitied. Skin white, granular, spinulose; tubercle iv at 

 center of spiracle or above. Green, traces of a whitish dorsal and 

 subdorsal line; stigmatal ))and broad, whitish green, white edged 

 below; dorsal line obscure, geminate, blackish filled. Tubercles raised, 

 conic, small, black, white ringed. Feet equal, green. Subdorsal 

 line cuts the cervical shield. Spiracles l)lack rimmed, pale bordered. 



Food plant Grlndelia squarrosa. Found in the Platte Canyon Maj^ 

 30 and collected by Mr. E. J. Oslar at Manitou. 



CARADRINA EXTIMIA Walker. 



Egg-^. — Spheroidal, flattened at base, about 40-ribbed, the number 

 diminishing toward the vertex; ribs sharp, narrow, the apices con- 

 cave, with distinct, curved cross-striae about as distinct as the lines on 

 the ribs. Vertex hollowed reticulate; yellowish white, stained with 

 an irregular brown ring; diameter, 0.6 mm.; height, 0.4 mm. 



Stage L — Head round, vertex under joint 2, sordid luteous, ej^e 

 l)hick; width, 0.3 mm. Body cylindrical, thick, joint 12 large dor- 

 sally; sordid whitish, the food faintly green; tubercles large, round, 

 black, distinct, normal; ia to iib on the thorax separate, equal, iv on 

 the abdomen l)ehind the spiracle. Shields and leg plates blackish 

 luteous, normal; setee pale. 



Stage II. — Head rounded, blackish; width, 0.5 nmi. Body trans- 

 lucent, green from food; cervical shield, ana.1 plate, and the rather 

 large tubercles black. Traces of white dorsal and subdorsal lines; 

 feet pale, those of joints 7 and 8 a little shorter than the others; 

 shields blackish, setjB pale. 



Stage IV. — Head dark smoky brown, blackish over the lobes, round, 

 scarcely bilobed, apex slightly under joint 2, but held erect; width, 

 0.9 mm. Body thick, robust, cylindrical, no enlargements. Dorsum 

 gray brown to spiracles, faintly mottled in pale, forming traces of the 

 usual lines. Below the spiracles sharply paler, slighth^ pinkish. 

 Tubercles rounded, elevated, blackish, normal, iv at the top of the 

 spiracle. Feet and leg shields smoky blackish. Setaj rather long, 

 pale, curved. 



Stage V. — Head dark smoky brown, clypeus paler, sordid; held 

 erect, slightly retracted; width, 1.2 mm. Body sordid brown, mot- 



