420 



PSYCHE. 



[November, igo2 



pointed; davk brown, not shining, the sntures 

 of tlie moderate clypeus a trace darker ; a 

 pale speck covering epistoma ; width .3 mm. 

 Bodv moderate, normal, cylindrical, smooth. 

 Sordid whitish, becoming green from the 

 food ; a dorsal brown stripe, moderately dark 

 and a series of vinous brown connected sub- 

 ventral blotches, forming a line on joints 2-4 

 and 10-13. Traces of subdorsal and stigma- 

 tal paler lines and faint, pale streaking in the 

 lateral space between. Tubercles minute, 

 black; setae rather long, black, not distinctly 

 capitate. Abdominal feet reddish shaded. 



Stage II. — Head rounded bilobed, flattisb 

 before, spotted thickly with white over the 

 face, but all of vertex and sides of lobes dark 

 brown; width .5 mm. Body cylindrical, 

 rather short and thick, smooth, normal. 

 Tubercles moderate, but setae bristly, black, 

 distinct. Dorsum dark purple-brown, cut by 

 whitish on joint 2 at sides; sides white with 

 two broad, diffuse, dark brown bands, a little 

 dotted, wider than the whitish spaces. Ven- 

 ter broadly dark with narrow subventral and 

 medio-ventral white lines, the latter segmen- 

 tarily maculate in dark brown. Feet pale 

 lined. 



The larvae were unfortunately lost at this 

 point. Others, collected on Ceanothus at the 

 same place appeared as follows : — 



Stage III. — Head rounded bilobed, flat- 

 tened before, erect ; whitish, heavily mottled 

 in brown-black, forming large confluent 

 patches at vertex and sides, leaving the face 

 pale with only a few dark marks; width 

 8. mm. body marked much as in Endropia 

 duaria, stage I (Psyche vol. 9, p. 371) so that 

 the larva was at first mistaken for that species. 



Stage IV. — Head as before, somewhat 

 thick and disk-like ; greenish white, vertex 

 and sides with brown, transversely strigose 

 mottlings, forming a border about the face ; 

 width 1.3 mm. Body robust, moderate, 

 smooth ; olivaceous-green ; addorsal and 

 subdorsal lines white, darker edged, joined 

 by intersegmental white blotches between 

 5-6 to 7-S ; lateral line white, similarly 

 blotched to the diffuse, yellow, substigmatal 

 line. Venter similarly white lined ; a series 

 of large, pvu'ple-brown, segmentary, subven- 

 tral blotches. Feet purplish washed ; no 

 shields. Tubercles and setae small, black, 

 inconspicuous. 



This delicate larva was lost like the former 

 ones, but another was collected at the 

 same place. 



Stage ]'. — Head as before, but the strigose 

 brown markings are pale ; width 2.1 mm. 

 Body as before but all white shaded, the stig- 

 matal line concolorous with the others and 

 all the lines but a little whiter than the body. 

 Segmentary subventral blotches on joints 2 

 to 9, partly pale brown, partly dark. Feet 

 brown shaded ; spiracles brown. Tubercles 

 and setae as before. 



Larvae on Ceanothus on the footliills 

 back of Golden, Colorado, collected in July. 

 Moths collected at the same place showed 

 considerable variability, as noted jibove. 

 One of them is scarcely distinguishable from 

 £>. hifiUiia Ilulst, and I can construct a good 

 series of specimens leading to this species 

 from the moth that laid the eggs. D. bifilata 

 is, therefore, probably only another variety 

 of this variable species. 



A. SMITH & SONS, 146-148 WILLIAM ST., New York. 



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