618 ENTOMOLOGICAL NEWS. [December, 



Life History of a Callidryas Agarithe. 

 By HARRISON G. DYAR. 



On the young leaves of Pithecolobiwn guadaloupensc at Palm 

 Beach, Florida, in January : 



Egg. Cylindrical, the base scarcely narrowed, flat; center a little 

 larger ; apex much tape'ring to a blunt, slightly more cylindrical point ; 

 ten low, vertical ribs from base to apex, smooth, but jointed by obscure, 

 regular cross-striae; basal diameter .4111111.; height i mm. Silky white, 

 with pale yellow tint ; later orange red. 



Stage I. Head entirely round and smooth, sutures marked by im- 

 pressed lines, clypeus moderate ; orange yellow, ocelli black ; width 

 .2 mm. Body yellow, slightly greenish from the food, the anterior edge 

 of joint 2 ochraceous. Cylindrical, feet short ; no plates ; segments finely 

 6 annulate ; subventral folds slight. Seta; white, distinct, stiff ; tubercles 

 obsolete, dark ; i dorsad to ii, both curved forward ; iii curved upward ; 

 iv and v in line subventrally. rather remote, short, not much curved On 

 thoraxia, ib and iia seen, iib apparently absent, v present ; no subprima- 

 ries. The setse are uniform white tubes, not tapering to the tip, somewhat 

 obliquely out at apex. Cervical shield setae condensed into a group < i 5 

 on the anterior edge of joint 2, the plate really absent ; prespiracular tubercle 

 with one seta. Feet short, the subventral area contracted. Skin finely 



setulose with dark points. 



Stage II. Head rounded, yellow, tinted with green ; clypeus moderate ; 

 setae short, white, both primary and secondary present ; ocelli black, jaws 

 brown; width .4 mm. Body cylindrical, segments 6-annulate, subventral 

 folds rather distinct. Seta i stout, short, black, with distinct drop at tip ; 

 ii very short and pale ; iii short ; ivand v a little larger, in line subventrally 

 as before ; a similar secondary seta before, one behind and one below 

 subventrally ; several hairs on the leg, all short, pale at the tips. Color 

 pale yellowish, the food showing faintly greenish. Skin with fine brownish 

 granules. 



Slage III. Head rounded, covered with secondary pile, soft green, 

 ocelli black ; width. 8 mm. Body pale green, 6-annulate, a faint yellowish 

 stigmatal line ; setas i and ii large and black, glandular, the rest lost in 

 dense, fine, short, secondary hair, pale subventrally, black dorsally ; no 

 shields. Shape cylindrical, normal ; feet short. 



Stage IV. Head round, not bilobed, clypeus reaching half way to 

 vertex, sutures not depressed ; soft green, pale pubescent ; width 1.5 mm. 

 Body uniform, anal flap rounded ; segments 6-annulate. Three setse of 

 cervical shield, one on prespiracular tubercle of prothorax, iia and iia of 

 joints 3 and 4, i and ii on abdomen black, glandular ; others lost in 

 secondary hair, which is fine, short, black, pointed, arising from rather 

 large green tubercles. Soft green, a pale yellow stigmatal line from the 



