1/6 NEW YORK STATE MUSEUM 





Neolasioptera agrostis Felt 



1938 Felt, E. P. 



N. Y. State Mus. Bui. 124, p. 331 



1911 



- Econ. Ent. Jour., 4:483 



This species, loaned for study by the United States National 

 Museum , was reared from Eragrostis poacoides, adults 

 issuing in September 1885. 



Neolasioptera cinerea Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. in; separate, p. 15 

 (Choristoneura) 



1908 N. Y. State Mus. Bui. 124, p. 331 



This species was taken at Albany, N. Y., June 21, 1906. 



Female. Length 2 mm. Antennae dark brown; 25 segments, 

 the fifth with a diameter one-half greater than its length. Palpi; 

 the first segment short, obconic, second one-half longer, subcylindric, 

 the third very long, about three times the combined length of the 

 two preceding, irregular, the basal portion stout, the apical part 

 slender. Mesonotum dark brown, submedian lines with grayish 

 hairs. Scutellum dark brown with sparse apical setae, postscutellum 

 dark brown. Abdomen dark brown, incisures and pleurae pale 

 whitish orange; basal segment thickly clothed with silvery scales, 

 the posterior margin of the third abdominal segment sparsely 

 ornamented with scales of the same character, terminal segments 

 pale orange. Wings subhyaline, costa dark brown, the third vein 

 uniting with the margin at the whitish stigma on the basal third. 

 Halteres pale yellowish basally, yellowish white apically. Coxae 

 dark yellowish, femora yellowish straw with a more or less broad, 

 fuscous band near the middle. Anterior and mid tibiae fuscous 

 dorsally, pale yellowish ventrally, posterior tibiae pale yellowish; 

 tarsi fuscous, lighter ventrally; claws moderately stout, strongly 

 curved. Ovipositor moderately long, the lobes long, broadly rounded. 

 Type Cecid. 341. 



Neolasioptera tenuitas Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 331 



This species was taken on the office window at Albany, July 30, 

 1907, presumably having been reared from material brought into 

 the office. 



Female. Length 1.5 mm. Antennae dark brown, basally yellow- 

 ish; 22 segments, the fifth with a length about three-fourths its 

 diameter; terminal segment slightly produced, broadly oval. Palpi; 

 first segment rather long, slender, slightly expanded distally, the 

 second a little longer and broader than the first, the third about 

 as long as the second, more slender, the fourth one-third longer than 

 the third, more slender. Mesonotum shining dark brown, variably 

 margined laterally and anteriorly with silvery yellowish scales. 



