882 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvii. 



reticulation of .sliohtlv raised lines, one junction at the sunnnit of a 

 rib, the next in the base of a hollow. Apex confusedly reticulate. 

 Some irregular red spottings; diameter, 0.8 mm. 



Stage I. — Head rounded, bilobed, brown-black on vertex, pale 

 below, shining. Body moderate, joint 12 a little enlarged, feet normal, 

 e(|ual; translucent broAvn, the small tubercles and shields blackish 

 brown, including the cervical shield, leg plates, and anal plate. 8et^ 

 moderate, pointed, dark; thoracic feet black. 



HYPENA HUMULI Harris. 



Sixteen specimens. May 30, 31, June 2, 11 (bred), 12 (bred), 13, 

 August 3, Sandon (G. C. Robbins) and one from Mr. Cockle's collec- 

 tion. Eggs were obtained and the larvfe fed on nettle. 



Egg. — Flattened like one-third of a sphere, the base rounded, very 

 flattened ellipsoidal; about 32 ribs, sharp, linear, high, fluted-waved, 

 diminishing toward the micropyle which is marked by a cluster of 

 elliptical cells; crdss-strijE distinct but scarcely raised, arcuated down- 

 ward in the deep grooves, forming rectangular cells about twice as 

 wide as high. Color whitish, translucent, beaded by the ribs which 

 look wide under a low power; later with irregular brown specks; 

 diameter, 0.5 mm.; height, 0.3 mm. 



. Stage I. — Head large, rounded, bilobed, colorless, eye black, mouth 

 brown; body slender, submoniliform, semilooping, feet on joints 9, 

 10 and 13. Colorless, transparent, unmarked, tubercles invisible, 

 sette pale. 



Stage IL- — Head high, narrowed to mouth, bilobed, free, transparent 

 colorless, black spots on the tubercles, eye black, mouth brown. 

 Body slender, semilooping, no feet on joint 7; transparent, food green, 

 shields concolorous; tubercles small, black. 



Stage III. — Head pale whitish with black tubercles; width 0.6 nnn. 

 No feet on joint 7, the anal pair extended backward. Body transparent 

 green, tubercles black, a distinct white subdorsal line. 



Stage IV. — Head green with black tubercles; width, 1.3 mm. 

 Body slender, elongate, no feet on joint 7, those of joint 8 small; 

 transparent green with distinct white subdorsal stripe; tubercles 

 moderate^ concolorous, with black hair dots; setffi black, stiff'. 



Stage V. — Head green with many grayish black flecks over vertex; 

 width, 1.9 mm. Body semilooping, no feet on joint 7, those of 8 to 

 10 equal. Dorsum olivaceous green, subventer and venter clearer 

 green; dorsal vessel dark, whitish edged; subdorsal line bright white, 

 narrow. Tubercles pale, sordid, hair dots black. Hair rather long, 

 dark; feet all green; spiracles l)lack ringed. 



Apparently flnished in five stages, though it seems possible that 

 stagfe iv was missed. 



