REPORT OF THE STATE ENTOMOLOGIST K;i6 IJ/ 



Lasioptera danthoniae Felt 

 1909 Felt, E. P. Econ. Ent. Jour., 2:287 



This species was reared by Mr C. R. Crosby of the Cornell Uni- 

 versity Agricultural Experiment Station, from a bunch of Danthonia 

 taken in the spring of 1908 on top of one of the high hills at White 

 Church, N. Y. 



Male. Length 1.5 mm. Antennae fuscous yellowish, the basal 

 segments whitish; 16 segments, the fifth with a length about three- 

 fourths its diameter; terminal segment greatly produced, broadly 

 rounded apically. Palpi; the first segment short, stout, the second 

 narrowly oval, the third one -half longer than the second, more 

 slender, the fourth one-half longer than the third, slender. 

 Mesonotum fuscous yellowish. Scutellum yellowish, postscutellum 

 a little darker. Abdomen dark brown, the basal segment white, 

 the second to fourth segments with conspicuous submedian, lunate, 

 white spots, the sixth and seventh segments yellowish; venter dark 

 brown, with irregular, whitish markings laterally. Wings hyaline, 

 costa dark brown, the third vein uniting with costa near the basal 

 third. Halteres yellowish, coxae and femora mostly yellowish 

 white, the tibiae yellowish fuscous, the tarsi dark brown, the posterior 

 legs with the segments broadly banded basally with white; claws 

 rather stout, the pul villi about three-fourths the length of the claws. 

 Genitalia; fuscous yellowish, basal clasp segment short, stout, distal 

 clasp segment somewhat swollen at the base, short, stout, dorsal 

 plate triangularly incised, the lobes narrowly rounded, ventral 

 plate long, slender, narrowly rounded. Harpes sub triangular, 

 style long. 



Female. Length 2 mm. Antennae about as in the opposite 

 sex, except that the terminal segment does not appear to be so 

 greatly prolonged. Scutellum yellowish, postscutellum dark brown. 

 Abdomen dark brown, the basal segment white, the second to fourth 

 segments with small, submedian, whitish spots; ovipositor yellowish, 

 when extended about as long as the abdomen; terminal lobe rather 

 short, broadly oval, nearly naked; minor lobe short. Legs about 

 as in the male, except that the basal tooth of the claw is more distinct. 



Described from alcoholic specimens, the female being provisionally 

 associated with the male. Type Cecid. a 192 5. 



Lasioptera arizonensis Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 325 

 191 1 Econ. Ent. Jour., 4:482-83 



This species was reared in the United States Bureau of Entomology 

 May 1, 1899 from stems ofSenecio arizonensis taken at 

 Oracle, Ariz., April 2 2d the same year. The larva is described by 

 Pergande as reddish. There is no description of the gall. 



