REPORT OF THE STATE ENTOMOLOGIST 1916 IOQ 



dd Mesonotum shining dark brown, antenna! segments, male, 20; 

 fifth with a length a little greater than its diameter; reared 



from oval, tendril or petiole gall on grape 



riparia Felt, C. a 1784a 

 bbb Abdominal segments variably margined anteriorly and laterally with 

 yellowish white scales; antennae, female, 22 segments; reared from 

 tumid leaf or tendril gall on grape. . .v i t i s O. S., C. aii65, aii46 

 bbbb Abdomen with the basal segment thickly clothed with silvery white 

 or yellowish scales 

 c Second abdominal segment fuscous yellowish; antennae, female, 

 15 segments; ovipositor with hooks. ...basiflava Felt, C. 719 

 cc Second and following abdominal segments yellow 

 d Third vein uniting with costa at the basal third 



e Female antennae with 18-19 segments; ovipositor with 



hooks; reared from blister gall on Cornus 



corni Felt, C. 764, aii5i, ai288 

 dd Third vein uniting with costa at the basal half 



e Female with 23 antennal segments; no hooks present; 



reared from Rudbeckia. .rudbeckiae Felt, C. a 1697b 



ee Male with ?i6 antennal segments; female with 16 or 17 



antennal segments; ovipositor as long as the body. 



Reared from heads and leaf sheaths of Muhlenbergia 



colorati n. sp., a27i6 

 ddd Third vein uniting with costa at the distal third 



e Female with 21 antennal segments; ovipositor with hooks; 



reared from apical, clavate twig gall on Cornus 



clavula Beutm. C. a327 

 ccc Second and following abdominal segments without conspicuous 

 white markings 

 d Fourth and fifth abdominal segments darker than others; meso- 

 notum dark brown; male with 19 antennal segments; reared 



from Impatiens leaf gall 



impatientifolia Felt, C. ai 166 



dd Abdominal segments 2 to 6 unicolorous or nearly so ; mesonotum 



reddish brown; male 18; female 20-23 segments; reared from 



Vernonia flower and leaf galls 



vernoniae Beutm., C. 1058, 1059, a20i4, ?897 

 cccc Second and following abdominal segments with submedian silvery 

 spots 

 d Third vein uniting with costa at the basal third 



e Mesonotum reddish brown; female with 28 antennal seg- 

 ments ; reared from a cortical oak gall 



querciperda Felt, C. 1054 

 ee Mesonotum dark brown, male 18-21 segments; reared from 



Vernonia flower and leaf galls 



vernoniae Beutm., C. 1050, 1059, a20i4 

 eee Mesonotum dark brown 



/ Scutellum pale orange; female with 18 antennal seg- 

 ments consobrina Felt, C. 183a 



// Scutellum purplish brown; female with 22 antennal 

 segments nassauensis Felt, C. 432 



