REPORT OF THE STATE ENTOMOLOGIST I916 207 



bb Abdomen dark brown or at least mostly so 



c Abdomen dorsally with scattering white scales; palpi uniarticulate ; 

 antennal segments of male, 14. Reared from yellowish or brown 



blister galls on aster paniculata Felt, C. 757, ai 167 



cc Distal abdominal segments reddish; palpi uniarticulate; male 

 antennae with 12 segments, those of the female with 13 or 14. 

 Reared from an oval, blackish blister gall on Aster undulatus. . . . 



reducta Felt, C. a2056 

 ccc Abdomen dorsally reddish brown or brownish black. Palpi Par- 

 ticulate. Male and female antennae with 16 segments, reared 

 from a circular brownish or yellowish blister gall on Aster cordi- 



folius sylvestris Felt C. a2585 



cccc Abdomen a uniform black; palpi triarticulate ; antennal segments 

 of the male, 17. Reared possibly from inconspicuous blister gall 



on hazel leaves n i g r i n a Felt, C. ai78ob 



bbb Abdomen dark brown or black 



c Basal abdominal segment yellowish or silvery white 



d Second to sixth abdominal segments margined posteriorly; 

 female antennae with 26 segments; palpi uniarticulate; 



reared from a grape petiole gall 



p e t i o 1 i c o 1 a Felt, C. 877 

 dd Third to sixth abdominal segments margined posteriorly; 



female antennae with 18 segments; palpi uniarticulate 



flavoscuta Felt, C. 1228 

 cc Abdominal segments with whitish submedian spots 

 d Segments 1 to 6 or 7 spotted 



e Male antennae with 14 segments, 14th compound; palpi 

 uniarticulate; reared from small pustulate gall on aster 



stem pustulata Felt, C. ai520 



ee Female antennae with 18 segments; palpi biarticulate ; 



taken on Solidago 



albomaculata Felt, C. 758, ai584, ai598 

 eee Female antennae with 18 segments, palpi uniarticulate; 



reared from blister gall on Grindelia 



g r i n d e 1 i a e Felt, a23io. 

 eeee Female antennae with 15 segments; palpi uniarticulate; 



reared from oval swelling on aster leaves 



vesiculosa Felt, C. ai884 



dd Abdominal segments 2 to 7 spotted; female with 19 antennal 



segments; palpi biarticulate; reared from a purplish and 



white blister gall on aster. ...squarrosae Felt, C. a 1594 



ddd Abdominal segments 1 to 4 spotted 



e Male with 18 to 19 antennal segments; palpi biarticulate. . 



canadensis Felt, C. 74 

 dddd Abdominal segments 1 and 2 white margined posteriorly, 3 to 

 5 spotted; female antennae with 17 segments; palpi uni- 

 articulate ; reared from a yellowish blister gall on aster ...... 



paniculata Felt, C. ai 167 (m a r g i n a t a Felt) 

 ccc Abdominal segments white margined posteriorly 

 d Palpi uniarticulate 



