194 Journal New York Entomological Society, [^oi. xxiii. 



darkened. Edge of dorsal abdominal gland narrowly bordered with 

 dusky. Hairs on body darker than in preceding stage. Prothorax 

 slightly emarginate behind. 



Stage III (PI. XIV, fig. lo). — Length, 1.5 mm. General color pale 

 yellowish green. Whole body with sprinkling of fine hairs which in 

 some lights are golden, in others darker. Eyes dark reddish ; head 

 yellowish; thorax often with indistinct greenish markings. Abdom- 

 inal gland edged narrowly with dusky. Mesothoracic wing-pads just 

 beginning to become apparent. Antennae, except first segment, pale 

 grayish, each segment lighter at tip and darker at base. Legs 

 yellowish ; femora with a blackish stripe on dorsal edge and a short 

 stripe on ventral edge ; tibiae with a blackish band at base. Extreme 

 tip dusky; tarsi dusky at base and tip paler in middle. 



Stage IV (PI. XIV, fig. 11). — Length, 1.85 mm. General color 

 more greenish than in preceding stage. Body more thickly clothed 

 with hair than in preceding stage. Eyes dark reddish ; head yellowish ; 

 prothorax often with two large more or less distinct yellowish spots, 

 mesothorax often yellowish on lateral margins ; wing-pads extend 

 back onto second abdominal segment. Abdomen green; tip often 

 yellowish; abdominal gland narrowly edged with dusky. Antennae 

 light brownish, base of each segment dusky, and tip, except in 

 terminal -segment, whitish ; first segment dusky or blackish at the 

 middle; second segment relatively longer than in preceding stage; 

 legs yellowish ; stripe on ventral edge longer than in preceding stage ; 

 tibiae blackish at base, sometimes dusky at tip, with two rows of 

 blackish spots from each of which arises a blackish hair ; tarsi as in 

 preceding stage. 



Stage V (PI. XIV, fig. 13). — Length, 2.2 mm. General color green- 

 ish, often a yellowish green. Markings variable but in general as fol- 

 lows : Head tinged with yellow; eyes dark reddish; the yellowish 

 spots on prothorax more or less distinct, sometimes lacking, often 

 darker green irregular markings on mesothorax and wing-pads, lat- 

 eral margins often yellowish. Wing-pads reach back onto fourth 

 abdominal segment. At the end of the instar the wing-pads become 

 blackish at the tip and tinged more or less with dusky throughout. 

 Antennae brownish yellow ; first segment with two narrow blackish 

 stripes reaching nearly to the tip, remaining segments dusky at base 

 and, excepting the fourth, whitish at extreme tip. The relative length 



