THE EOSE MIDGE. 3 



bearing a transverse spinulose ridge on dorsal surface, ventral surface without 

 these ridges; bases of antennae 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. Antennae 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 



Fig. 1. — Tlie rose midge (Dasyneura rhodophaga), enlarged about 27 diameters: 

 A, eggs ; B, young larva ; C, full-grown larva ; D, cocoon ; E, pupa ; F, adult 

 male ; G, adult female ; H, female ovipositor. (9th Ann. Kept. 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. 



Fennale [Fig. 1, G]. Length 1 to 1.25 mm. Antennae short; 9 subsessile seg- 

 ments, the fifth with a length nearly twice its diameter, the terminal segment 



