322 NEW YORK STATE MUSEUM 
Tilia (basswood) 
Gap tune digs tice canna INFcvorlyays lo patie: aye tla eames C. 283 
Wnknownustemi alleen ee ene Lasioptera spinulae, C. 10%q 
Stem gall On: Semiaquatic weed 2a yee a a oe ee ¥ 
Lasioptera palustris, C. a1443, al4a7 
Stemuoalllatce sey eine Neolasioptera hamata, C. algce 
Vaccinium (blueberry) 
Captured! iets ewe those cu ae Baldratia canadensis, Cam 
Vernonia noveboracensis (ironweed) 
Bred TOM DlOSSOMSp ee ere Lasioptera vernoniflorae, C. 1059 
Viburnum 
Captured ie) Ged wees ees Lasioptera consobrina, C. 183a 
Ceyamed On Wi OCOpe wt ON Mim, 5 o5o- Lasioptera viburni, Co 1m 
Breds from airresular subcorticalacallien cm eee eee 
Neolasioptera viburnicola, C. argo 
Vitis (grape) 
aamiudwlea tga ls erate ry arcane eteiee Lasioptera vitis, C. arram 
Bettoleeallnnne ier anisiart. Pes see ee ines Baldratia petiolicola, € @7m 
PEetiolelealleneawae were a Neolasioptera vitinea, C. al4i5, ajoogm 
Captare dace weer torreon ew eevere nn ene RA Lasioptera basiflava, © jag 
Zizia 
ucwromon Seen ells scesoackodonooccoc Lasioptera ziziae  C,ancm 
Key to genera 
a Ist antennal segment normal 
b 3d vein very near costa and uniting therewith at or before the 
basal half, very rarely near the distal 3d ) 
c Mouth parts and thorax prolonged; antennal segments 10 to 
iS HURREE onS N eR EAPO Be bps np, A acre ck Seem iia hie Clinorhyncha H. Lw. 
cc Mouth parts and thorax not prolonged 
@ Palpienwatia Ota: Seomentcus same aera Baldratia Kiet 
dd Palpi with 3 or 4 segments 
e 3 long veins, the 5th forked some distance from its 
Dase kes aa eee Lasioptera Meig. 
Gé_A-simplesloncx vets areca ae Neolasioptera n. g. 
bb 3d vein rather strongly arched, well separated from costa, uniting 
thenewiuheat ithe istalesde aren ya ee ee Camptoneuromyia n. g- 
aa Ist antennal segment produced, with a length about 3 times its diameter ¥ 
b The 3d vein somewhat removed from costa and uniting therewith at 
the distal 3d, body thickly clothed with shining scales.............. 
Trotteria Kieff. (Choristoneura Rubs.) 
