122 NEW YORK STATE MUSEUM 



Larva. Length 3 mm, pale orange. Head small, antennae long, 

 uniarticulate ; breastbone long, slender, obtusely bidentate, the 

 head slightly expanded ; skin coarsely shagreened ; posterior extremity 

 broadly rounded, a pair of submedian, chitinous hooks distally, 

 the sublateral setae nearly obsolete. 



Not a typical Lasioptera, probably Dasyneura. 



Female. Head small, black, face whitish. Antennae short, 

 black, with 2 1 segments ; the fifth with a length about three-fourths 

 its diameter. Thorax black with golden brown hairs and a white 

 spot on each side anteriorly. Abdomen dark brown. The basal 

 abdominal segment mostly whitish ; the second to sixth segments 

 narrowly margined posteriorly with whitish, the latter indistinct 

 mesially and laterally. Venter yellowish brown covered with white 

 scales. Wings long, slender, with a long yellowish discal spot at the 

 distal third; the third vein yellowish and joining the margin at the 

 distal third. Legs dark brown above; yellowish brown beneath. 

 Ovipositor with sublateral oval patches of halberd-shaped scales; 

 and heavy chitinous hooks. Characters drafted from the type and 

 the original description. 



Lasioptera impatientifolia Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 105-6; separate, p. 9-10 



1907 Jarvis, T. D. Ent. Soc. Ont., 37th Rep't, p. 69 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 324 



1910 Stebbins, F. A. Springf. Mus. Nat. Hist. Bui. 2, p. 43 

 1912 Cosens, A. Can. Inst. Trans., 9:323 



The gall of this species appears to be rather common about Albany 

 onlmpatiens fulva, touch-me-not or snapdragon in August. 

 The adult was obtained August 10. Eupelmus dry or hi - 

 z o x e n i Ashm. was also reared from this gall. 



Gall. The gall of this species is an oval, tumid fold along the 

 midrib, about one-fourth of an inch long. It is green and shows 

 upon the upper surface only as a brownish scar. The interior is 

 filled with black carbonaceous matter. 



Larva. Length 2.5 mm. Head small, antennae slender, uniden- 

 tate; breastbone long, slender, heavily chitinized, bidentate, with 

 a minute third tooth basally; head slightly expanded; skin rather 

 coarsely shagreened; posterior extremity broadly rounded, unarmed. 



Male. Length 1.6 mm. Antennae dark brown, yellowish basally; 

 19 segments, the fifth with a diameter about equal to its length. 

 Palpi; the first segment rather short, stout, slightly expanded dis- 

 ttlly, second one-half longer than the first, stout, the third as long as 

 tae second, slender basally, the fourth about twice the length of the 

 hhird ; face fuscous with a median white patch, eyes black, narrowly 

 margined posteriorly with dull silvery scales, the head posteriorly 

 dark brown. Mesonotum dark brown, thickly clothed with silvery 

 and pale yellowish scales. In one specimen the mesonotum is 





