800 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvii. 



Egg. — CiicuUir, Hat, the center dome-shaped but without astrong-ly 

 liattened rim. Ribs about Y5 ai'ound the margin, decreasing irregu- 

 larly and at several points by alternation or confluence, coarsely wavxd 

 or even circularly joined l)y broad, shallow pittings representing the 

 obsolete reticulations, cross striaj low, coarse, rounded bars; vertex 

 tinely reticulate. Pale green, the center retracted, leaving a broad, 

 colorless edge. Diameter, 1.6 mm.; height, 0.4 mm. Later there 

 apj)ears a narrow, dark-red ring about the middle of the side and a 

 small vertical dot sometimes confluent by one or two bars; still later 

 this marking retracts to a broad, red ring, scalloped on the outside. 

 Hatched in nine days. 



Stage I. — Head rounded, bilobed, shining black, mouth parts pale. 

 Body moderate, equal; feet normal, white with dark brown dorsal 

 patches on joints 4-5, T-9, and 12-13 anteriorly. Cervical shield large, 

 black. On thorax tubercle ia-f-ib, on abdomen i with two large ec^ual 

 hairs, the rest single; no subprimaries. Warts concolorous with the 

 marks; hair all black. Skin sparsely minutely granular, not con- 

 spicuously so. 



Stage II. — Head round, bilobed, more or less black shaded all over 

 or the paraclypeal streak heavj^ and black; width, 0.6 mm. Bod}^ 

 moderate, joint 11 weak; w^hite, light brown dorsally on joints 2, 4-5, 

 7-9, 12-13 anteriorly except the warts, which are Avhite; hairs black 

 and white, long, soft; feet pale. 



Stage III. — Head white, a black l)and bordering the paraclypeus 

 with dottings outwardly or largely black, only clypeus above, dot on 

 vertex and sides of lobes wiiite; wddth 1.2 mm. Body white, a faint 

 brownish lateral shade; joints 2, 4, 5, 7, 8, 9 and 12 stained with 

 brown especiall}^ about wart i, and with black dorsal hairs, the other 

 hairs almost entirely white, rather long. Few, if any, secondary hairs. 

 Wart i on the dark segments black, the rest white, moderate, raised; 

 feet pale. In some the body is all shaded with violaceous, even partly 

 so on the pale segments, but the warts there are white. Thoracic feet 

 black. 



Stage IV. — Head shining black, clypeus, mouth, a small spot on 

 vertex and irregular patches above eye white; hairs whitish; width 1.8 

 to 2.2 mm. Body moderate, equal, white, largely shaded with brown 

 on the back and sides between the warts. Cervical shield black, with 

 white bristly hair, floints 5, 7-9, and 12 brown dorsally, with ])rown 

 warts and long unpaired dorsal black hair pencils. Other hair long, 

 white, rather thin, fluffy, straight, both primaryand secondary about 

 equal. On joints 3 and 4 wart i is black; other warts white. 



Stage V. — Head white, with black paraclypeal bands; width 2.8 mm. 

 Hair white, long, fluflfy, concealing the body; black pencils present on 

 joints 5, 7, 8, 9, and 12. Most of the larvaj are white, some 3^ellow, 

 and then markedly darker, with more black on head and dark color on 



