ip 
| 
THE ROSE MIDGE. 8 
bearing a transverse spinulose ridge on dorsal surface, ventral surface without 
these ridges; bases of antennze produced with usual pair of bristles imme- 
diately posterior to them and with two large respiratory tubes protruding 
through cocoon, 
ADULT. 
Male [Fig. 1, F]. Length 1 mm. Antenne short, 9 subsessile segments, the 
fifth with a length only a little greater than its diameter, the last segment 
greatly produced, with a length about four times its diameter. Palpi; the first 
Fic, 1.—The rose midge (Dasyneura rhodophaga), enlarged about 27 diameters: 
A, eggs; B, young larva; C, full-grown larva; D, cocoon; H, pupa; F, adult 
male; G, adult female; H, female ovipositor. (9th Ann. Rept. State Ent. Ind.) 
segment short, the second broadly oval, the third one-half longer, dilated, the 
fourth as long as the third, slender. Head and thorax brown, the abdomen, in 
alcoholic specimens, yellowish. Wings hyaline, costa dark brown, third vein 
curving forward. Claws long, slender, the pulvilli a little shorter than the 
claws. Genitalia; basal clasp segment slender; terminal clasp segment long, 
slightly swollen basally; dorsal plate broad, deeply and narrowly incised, 
-ventral plate long, broadly and roundly emarginate. Harpes long, subtruncate 
and irregularly tuberculate. 
Female [Fig. 1, G]. Length 1 to 1.25 mm. Antenne short; 9 subsessile seg- 
ments, the fifth with a length nearly twice its diameter, the terminal segment 
