REPORT OF THE STATE ENTOMOLOGIST [916 I/I 



Larva. Length 3 mm, rather stout, yellowish orange, the breast- 

 bone linear, rather broad, tridentatc. Head small. Antennae appar- 

 ently uniarticulate, tapering. Skin coarsely shagrcencd; segmenta- 

 tion indistinct, posterior extremity broadly rounded and with a 

 few small, scattering spines. 



This larva is easily distinguished from that of L. impati- 

 ent i f o 1 i a by the tridentate breastbone. Type Cecid. au66. 



NEOLASIOPTERA Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 330 



191 1 N. Y. Ent. Soc. Jour., 19:42 



1913 Kieffer, J. J. Gen. Insect., fasc. 152, p. 22 



This genus is closely allied to Lasioptera. It is distinguished by 

 the fifth vein forking at the extreme base of the wing or by the sixth 

 being entirely independent of the preceding (pi. 5, fig. 8). This 

 character, while not always determined with ease, affords a good 

 basis for division, even though this latter may not be closely corre- 

 lated with variations in habit. The female antennae may be com- 

 posed of from 17 segments in the case of N. celastri to 29 

 segments in N. viburnicola, while the males may have but 

 i2 segments in N. squamosa to 23 in N. c o r n i c o 1 a. 

 As in the genus Lasioptera, there is frequently a variation, appa- 

 rently following no law, of four or five segments between the sexes. 



The species of this genus, as in Lasioptera, inhabit largely sub- 

 cortical stem galls on herbaceous and woody plants, most of the 

 forms producing distinct enlargements, though the presence of 

 N. h i b i s c i is indicated only by a somewhat general enlarge- 

 ment of the stem. N. squamosa has been reared from grass, 

 presumably a stem gall, while N. v i t i n e a makes a character- 

 istic conical gall on the grape petiole. Type Lasioptera 

 v i t i n e a Felt. 



Key to species 



a Abdomen dark brown or black 



b Abdominal segments nearly unicolorous 



c Tarsi dark brown ; female antennal segments 17 



celastri Felt, C. 598 

 cc Tarsi dark brown, annulate with yellowish white; female antennal 



segments 12 ; reared from grass squamosa Felt 



ccc Tarsi reddish brown, female antennal segments 2 1 ; reared from stem 



gall on sunflower t r i m e r a n. sp., C. 907 



cccc Tarsi fuscous yellowish, antennal segments, female 24 



major n. sp., C. 1253 

 bb Basal abdominal segment whitish or yellowish white 

 c Third vein uniting with costa at the basal third 



