322 



NEW YORK STATE MUSEUM 



Tilia (basswood) 



Captured Neolasioptera tiliaginea, C. 283 



Unknown stem gall Lasioptera spinulae, C. 1056 



Stem gall 011 semiaquatic weed 



Lasioptera palustris, C. ai443, ai447 

 Stem gall Neolasioptera hamata, C ai458 



Vaccinium (blueberry) 

 Captured • Bald rati a canadensis, C.74 



Vernonia noveboracensis (ironweed) 

 Bred from blossoms Lasioptera v e r n o n i f 1 o r a e , C. 1059 



Viburnum 



Captured Lasioptera consobrina, C. 183a 



Captured on V. acerifolium Lasioptera viburni, C. 186 



Bred from irregular subcortical gall • 



Neolasioptera viburnicola, C. ai409 



Vitis (grape) 



Tumid leaf gall Lasioptera vitis C aii65 



Petiole gall Baldratia petiolicola, C.877 



Petiole gall Neolasioptera vitinea, C. 31415, aio65 



Captured Lasioptera basiflava, C 719 



Zizia 



Fusiform stem gall Lasioptera z i z i a e, C. ai8i7 



Key to genera 



a 1st 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 



J, Clinorhyncha H. Lw. 



cc Mouth parts and thorax not prolonged 



d Palpi with I or 2 segments Baldratia Kieff. 



dd Palpi with 3 or 4 segments 



e 3 long veins, the 5th forked some distance from its 



^i^gg Lasioptera Meig. 



ee 4 simple long veins Neolasioptera n. g. 



bb 3d vein rather strongly arched, well separated from costa, uniting 



therewith at the distal 3d 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.) 



