200 NEW YORK STATE MUSEUM 



or it may possibly produce the small arrested budlike galls along 

 the side of the stem. 



Larva. Length 2 mm, slender, whitish. Head small, broad; 

 antennae uniarticulate ; stout; breastbone greatly dilated apieally, 

 quadridentate, the submedian teeth slightly smaller, distal portion 

 subobsolete; skin coarsely shagreened; posterior extremity broadly 

 rounded, minutely papillate. Probably a Neolasioptera though 

 the quadridentate breastbone suggests Asphondylia. 



Male. Length 2.25 mm. Antennae dark brown, yellowish 

 basally; 14 segments, the fifth with a length a little less than its 

 diameter; terminal segment slightly reduced, obovate. Palpi; the 

 first segment very short, stout, irregularly subquadrate, the second 

 narrowly oval, more slender, the third two and one-half times as 

 long as the second, slender, tapering distally to an obtuse apex; face 

 with a conspicuous patch of silvery white scales. Mesonotum dark 

 brown, the submedian lines sparsely clothed with yellowish setae. 

 Scutellum dark reddish brown, postscutellum dark brown. Abdo- 

 men a dark brown with rather large, submedian lunate white spots 

 on the posterior margin of each segment, incisures pale salmon; 

 genitalia fuscous; venter suffused with silvery scales. Wings hya- 

 line, costa dark brown, discal spot silvery, the third vein uniting 

 with the anterior margin just before the basal half; halteres pale 

 salmon. Legs mostly a variable dark brown, the basal two-thirds 

 of femora yellowish, tibiae and the first and last tarsal segments 

 banded basally, and the others narrowly annulate basally and apieally 

 with silvery white, the annulations broader on the posterior legs; 

 claws long, slender, strongly curved, the pulvilli as long as the claws. 

 Genitalia; basal clasp segment long, slender; terminal clasp seg- 

 ment swollen at the base; dorsal plate long, slender, deeply and 

 narrowly incised; ventral plate long, slender, narrowly rounded. 

 Harpes short, stout, tapering, broadly obtuse. 



Female. Length 2.5 mm. Antennae dark brown, basally 

 yellowish, silvery white scales ventrally; 16 segments, the fifth 

 with a length about three-fourths its diameter; terminal segment 

 produced, apparently composed of two fused, slightly constricted 

 near the middle, broadly rounded apieally. Palpi; the first segment 

 irregularly sub triangular, greatly expanded distally, the second 

 a little longer, stout, slightly tapering apieally, the third longer and 

 more slender than the second, the fourth one-half longer and more 

 slender than the third; face with a conspicuous patch of silvery 

 white scales, eyes margined posteriorly with silvery white. 

 Mesonotum dark brown, variably margined laterally and anteriorly 

 with silvery white, the submedian lines rather thickly clothed. with 

 yellowish hairs. Scutellum and postscutellum dark brown. 

 Abdomen a dark brown with submedian, lunate, silvery spots on 

 the posterior margins of the segments, ovipositor light fuscous 

 yellowish; venter suffused with silvery scales. Wings hyaline, 

 costa dark brown, the small discal spot silvery white, the third 

 vein uniting with the margin just before the basal half; halteres 

 pale salmon. Legs mostly black, the basal half of femora yellowish; 



