. Annual report. New York State Museum; Science; Science. Phytophaga vio- licola; sixth antennal seg- ment of male, enlarged (origi- nal) no turn dark brown, almost clothed with yellowish setae. Larva. Length 2 mm, pale yellowish, rather slender. Head small, antennae long, tapering; breastbone bidcntate, the shaft slender. Skin smooth; posterior extremity broadly rounded. Male. Length mm. Antennae extending to the fourth abdominal segment, sparsely haired, fuscous yellowish or dark brown, fourteen segments, the fifth with a stem about one-third the length of the basal en- largement, which
. Annual report. New York State Museum; Science; Science. Phytophaga vio- licola; sixth antennal seg- ment of male, enlarged (origi- nal) no turn dark brown, almost clothed with yellowish setae. Larva. Length 2 mm, pale yellowish, rather slender. Head small, antennae long, tapering; breastbone bidcntate, the shaft slender. Skin smooth; posterior extremity broadly rounded. Male. Length mm. Antennae extending to the fourth abdominal segment, sparsely haired, fuscous yellowish or dark brown, fourteen segments, the fifth with a stem about one-third the length of the basal en- largement, which latter has a length twice its diameter; terminal segment with the enlarged part produced, tap- ering, obtuse. Palpi; the first seg- ment slightly subglobose, the second greatly ^enlarged, [pyriform, the third slender, one-half longer than the Fig. 43 second, slightly swollen at the basal third, the fourth one-half longer than the third, more slender. Face and mouth-parts fuscous yellowish. Meso- black, the submedian lines sparsely Scutellum fuscous yellowish, postscu- tellum dark brown mesi- ally. Abdomen yellow- ish or fuscous yellow- ish, the segments marg- ined posteriorly with fuscous in darker indivi- duals. Wings hyaline, costa dark brown, the third vein beyond the apex, (Plate 17, figure ''5) halteres yellowish transparent; coxae, femora and tibiae mostly dark brown, tarsi a variable fuscous yellow. Claws long, slender, evenly curved. Genitalia; basal clasp segment short, stout; terminal clasp segment short, stout; dorsal plate short, broad, broadly and triangu- larly emarginate; ventral plate short, broad, deeply and roundly emarginate. Female. Length 2 mm. Antennae extending to the fourth abdominal segment, sparsely haired, fuscous yellowish, fourteen segments, the fifth with a stem one-third the length of the basal enlargement; terminal segment hardly produced, obtusely rounded. Palpi; the first segment short, stout, subquadrate, the second one-half longer, somewhat e
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902
