October, 'llj P'ELT: NEW GALL MIDGES 481 



a length twice its diameter, the .second and third subequal. Mesonotum browTiish 

 orange. Scvitellum and po.stscutellum pale orange. Abdomen pale yellowish. 

 The ovipositor short, the basal fleshy portion light orange, the distal part cultriform, 

 sparsely setose apically. Wings rather narrow, costa pale straw. Halteres whitish 

 transparent. Coxa; and femora mostly pale yellowish; tibite fuscous yellowish, 

 the tarsi mostly dark brown; daws long, slender, evenly curved, unidentate, the 

 pul villi as long as the claws. 



Reared from an inconspicuous elevation on the under side of the leaf 

 of hobble bush, Viburnum, taken by Miss Cora H. Clarke at Mag- 

 nolia, Mass. Superficially it resembles Sackenomyia vihurnifolia 

 Felt. Type C. a 1897. 



Asteromyia nigrina n. sp. Female.— Lengih. 1.2 mm. Antennae dark brown, 

 the distal segments yellowish; seventeen segments, the fifth having a length about 

 equal to its diameter; the terminal segment with a length over twice its diameter. 

 Palpi; first segment short, irregular, the second narrowly oval, wnth a length about 

 twice its diameter, the third a little longer and more slender. Mesonotum dark 

 brown, scuteUum dark reddish browTi, with a few whitish scales or setaj apically; 

 postscutellum dark brown. Abdomen a nearly uniform dark brown, almost black. 

 Wings hyaline, costa dark brown, the third vein uniting therewith at the basal half. 

 Halteres fuscous yellowish. Coxae dark brown; femora, tibiae and tarsi dark brown, 

 the first and second segments narrowly annulate basally with whitish. Ovijiositor 

 about half the length of the abdomen; terminal lobes very broadly and irregularly 

 oval, thickly setose. 



Reared from a jar containing inconspicuous blister galls on the 

 leaves of witch hazel, Hamamelis virginica collected by Miss Cora H. 

 Clarke at Magnolia, Mass. Type C. al780b. 



Asteromyia reduda n. sp. Male. — Length 1.5 mm. Antennae blackish; twelve 

 segments, the fifth wdth a length about equal to its diameter; terminal segments 

 produced, with a length two and one half times its diameter, narrowly rounded 

 apically. Paljji uniarticulate. Mesonotum dark reddish brown. Scutellum 

 reddish brown; postscutellum a little darker. Abdomen dark brown, the distal 

 segments reddish; genitalia fuscous. Wings hyaline, costa dark bro\vn, the third 

 vein uniting with the margin at the basal half. Halteres fuscous basally, whitish 

 apically. Legs fuscous yellowish, the distal tarsal segments lighter; claws long, 

 moderately slender, the pulvilli nearly as long as the claws. Genitalia; basal clasp 

 segment moderately stout, truncate; terminal clasp segment short, swollen basally; 

 dorsal plate deeply and triangularly divided, the lobes broadly rounded, sparsely 

 setose; ventral plate broad, broadly rounded, sparsely setose. Halteres irregularly 

 triangular; style short, stout, broadly rounded. 



Female. — Length 1.5 mm. Antennae with thirteen or fourteen segments, the 

 fifth with a length about equal to its diameter; terminal segment with a length about 

 twice its diameter, broadly rounded apically. Color characters nearly as in the 

 opposite sex, except that the distal segments of the abdomen seem to be a more 

 nearly uniform reddish brown. Ovipositor when extended, about half the length 

 of the abdomen, the terminal lobes narrowly oval, with a length twice the width 

 and thickly setose. 



