70 N.S. ENTOMOLOGICAL SOCIETY. 



DESCRIPTION OF LIFE STAGES. 



Egg. — Long, cylindrical, strongly curved; apex broadly rounded; base slightly 

 tapering and obtusely truncate. Chorion, smooth; shining. Color, white; translucent. 

 Length, .92 to 1.0 mm. Width, .10 to .13 mm. 



First Instar. — Body, long; narrow; flattened. Lateral margins widest at prothorax 

 and mesothorax; narrowest at base of abdomen. Head, not extended in front as in 

 E. rosae, but broadly rounded before the eyes. Prothorax, one-third shorter than head; 

 lateral margins parallel; caudal margin procurved. Mesthorax, one third shorter than 

 prothorax, but equal in width; caudal margin procurved. Metathorax, equal in length, 

 but slightly narrower than metathorax; caudal margin slightly procurved. Abdomen, 

 long; narrow; widening to the third segment, thence tapering to a broadly rounded tip. 

 Each segment except the first and last bears a long stout curved hair on each side of the 

 middle line and one on the lateral margins, thus forming four longitudinal rows on the 

 abdomen. Legs, long and stout, clothed with fine hairs. Color, pale yellowish green, 

 translucent. Eyes, whitish green, the centre of each facet being dull red. Length, .97 to 

 1.12 mm. Width of head at eyes, .30 to .37 mm. Length of hind tibia, .25 to 30 mm. 



Second Instar. — Form similar to first stage but larger and slightly stouter and 

 stronger. Yellowish green color brighter and rather more intense, eyes as before. 

 Length of body, 1.30 to 1.41 mm. Width of head at eyes, .34 to .37 mm.; hind tibia, .42 to 

 .46 mm. 



Third Instar. — Head, short; broadly rounded before eyes. Prothorax, one-fifth 

 shorter than head. Mesothorax, very slightly longer than prothorax; metathorax, one 

 third the length of mesothorax. Rudimentary wing-pads apparent on last two thoracic 

 segments. Abdomen, widest at third segment, narrowing gradually at each end. Color, 

 pale green; translucent. Length of body, 1.62 to 1.80 mm.; width of head at eyes, .5 to .56 

 mm.; hind tibia .55 to .60 mm. 



Fourth Instar. — Body, long and narrow. Head, short. Prothorax, and mesothor- 

 ax, each equal in length to head; metathorax, four-fifths the length of the mesothorax. 

 Wing pads well developed, reaching to third abdominal segment. Color, bright green. 

 Head, thorax and last abdominal segment rather yellowish. Legs and antennae very 

 pale greenish yellow, translucent. Length of body 2.2 to 2.32 mm. 



Fifth Instar. — Body, long; narrow; flattened. Head, very short and broad; round- 

 ing off directly before eyes. Thorax, long; lateral margins, straight and parallel; wing- 

 pads extending to fifth abdominal segment. Legs clothed with numerous fine hairs. 

 Color, bright green; eyes whitish with dark centres to the facets. Legs and antennae 

 very pale greenish yellow. Length of body, 2.6 to 3.0 mm.; width of head at eyes, .70 to .75 

 mm.; hind tibia, 1.0 to 1.2 mm. 



The following is the description of the adult as given by Gillette: — 

 "Color varying from yellowish to greenish, without conspicuous markings, 3.5 mm. 

 Face yellow above, without markings, shading into green below, the length ex- 

 ceeding the breadth by about one-fifth, clypeus exceeding the lorae by about one-third 

 its length, considerably constricted below its base and rather pointed. Vertex almost 

 entirely yellow in some specimens but, in all, a median pale stripe and a pale or bluish 

 blotch next each eye are more or less plainly visible. In some specimens there are also a 

 pair of green dots a little before the middle of the vertex and rather near the median pale 

 line. The vertex is not at all produced, its length is contained in the length of theprono- 

 tum almost exactly twice, and in the breadth of the head about 3.7 times. Pronotum 

 slightly broader than the head, twice as wide as long, yellowish in color but more or 

 less tinged with green posteriorly and, in most specimens, a small white spot can be 

 seen on the middle of the anterior margin. Scutellum deeper yellow than the prono- 



