6i8 ENTOMOLOGICAL NEWS. [December, 



Life History of a Callidryas Agarithe. 



By Harrison G. Dyar. 



On the young leaves of Pithecolobium gtiadaloupetise at Palm 

 Beach, Florida, in January : 



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

 larger; apex much tapering to a blunt, slightly more cylindrical point; 

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

 regu'ar cross-striae; basal diameter .4 mm.; 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. Setae 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 setae are uniform white tubes, not tapering to the tip, somewhat 

 obliquely out at apex. Cervical shield setse condensed into a group of 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 ; 

 seta 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. 



Stage III. — Head rounded, covered with secondary pile, soft green, 

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

 stigmatal Ime ; setae i and ii large and black, glandular, tlie 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 setae of 

 cervical shield, one on prespiracular tubercle of i)rothorax, 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, ponited, arising from rather 

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



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