October, 1902] 



PSYCHE. 



408. 



A greenish dorsal line, dotted on the rather 

 numerous, obscure annulets, grayish in tone, 

 diffuse outwardly with traces of a similar, 

 single, subdorsal line ; five broad, transverse, 

 vinous, segmentary bands on joints 5 to 9. 

 Anal feet spreading, the abdominal feet all 

 pale. Tubercles and setae minute, incon- 

 spicuous, short, capitate. Thorax dorsally 

 diffusely shaded in brown. 



Stage II. — Head smoky luteous, darker 

 except in two lines from the clypeus on each 

 lobe ; width .4 mm. Body normal, moderate, 

 sordid luteous with five broad, transverse, 

 vinous, segmentary bands as before, united 

 by numerous fine, evenly spaced, longitudi- 

 nal lines of the same color, fainter at the 

 ends, addorsal, subdorsal, lateral, etc. Tuber- 

 cles whitish with short, capitate setae also 

 whitish, the enlarged ends looking like dots 

 on the body. Segments finely annulate. 



Stage III. — Head rounded bilobed, brown, 

 pale mottled, a pale curved line on each lobe 

 above ; dotted by the white capitate setae ; 

 width .6 mm. Body whitish with fine red- 

 brown lines, slightly waved, about as wide 

 as the spaces, blotched on the diffuse trans- 

 verse bands of joints 5 to 9. Feet dark. 

 Finely annulate; appears dotted by the 

 white capitate setae. 



Stage IV. — Head rounded, erect, rather 

 strongly bilobed, brown, black on the face, 

 pale, dark mottled on sides and vertex ; setae 

 pale, short, capitate ; width .85 mm. Body 

 moderately robust, the ends contracted, nor- 

 mal, segments rather numerously annulate 

 especially at the ends ; subventral fold 

 ridged, prominent on the posterior edges of 

 the segments. Tubercles i and ii well sepa- 



rated, ii on a slightly prominent annulet. 

 Nearl)' uniformly entirely dark brown ; seg- 

 ments a little lighter patched dorsally with 

 traces of a pale, narrow, dorsal line, on each 

 side of which are rather irregular, faintly 

 traced, blackish markings intersegmentally, 

 forming a broad, geminate dorsal band. 

 Feet short, dark ; setae with pale capitate 

 tips, short. Subventral ridge marked and 

 blotched in pale. After being in this stage 

 two weeks the larvae were thick and robust, 

 tapering from joint 5 to the small head. 

 Dai-k brown, finely annulate, shaded in paler 

 on the back ; subventral fold pale and 

 blotched broadly in pale centrally on the 

 segments. Marks all obscure. 



Stage V. — Head rounded bilobed, erect or 

 with the apex advanced, clypeus depressed. 

 Brown-black, apices of lobes lighter brown 

 mottled ; setae short, white, capitate ; width 

 I mm. Body robust, attenuated somewhat 

 before, finely annulate. Dark brown-black, 

 variegated with obscure tessellated markings 

 in lighter brown in dorsal, diamond-shaped 

 patches, terminated in obscure black X-marks 

 in the incisures and a black subdorsal line. 

 All the markings are clouded, faint and mot- 

 tled. Subventral fold prominent. Setae 

 short, pale, capitate. The dorsal tessella- 

 tions are palest on joints 5 and 6, somewhat 

 ring shaped on joint 11. 



Larvae from Golden, Colorado, eggs July 

 7th. The larva grew slowly and died Octo- 

 ber 27th, but seems to have been in the last 

 stage. It is remarkable, however, that the 

 capitate setae should persist so long. The 

 larva was fed on Polygonum ; natural food- 

 plant not determined. 



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



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