REPORT 0:'i' THE STATE ENTOMOLOGIST I9I4 167 



A West Indian species, P. gossypii Coq. may belong in this 

 genus. It is recorded as living in cotton stems without producing 

 an enlargement. 



Key to species 

 fl 12 antennal segments; females 

 b Fifth antennal segment with a stem about one-fourth the length of the basal 

 enlargement 

 c Abdomen dark brown: length 1.5 mm, the fifth antennal segment with a 

 stem one- third the length of the basal enlargement, which latter has a 

 length five times its diameter; palpi moderate, the fourth segment nearly 

 twice the length of the second; terminal lobes of the ovipositor oval and 



with a length twice the width quercina Felt, C. 62 



cc Abdomen yellowish brown; length 1.3 mm, the fifth antennal segment 

 with a stem one-third the length of the basal enlargement, which latter 

 has a length four times its diameter; palpi long, the fourth segment 

 one-half longer than the third; ovipositor lobes narrowly oval, sparsely 



setose porrecta Felt, C. ai628 



ccc Abdomen reddish orange; length 1.5 mm, the fifth antennal segment 

 with a stem one-fourth the length of the basal enlargement, which 

 latter has a length three times its diameter; palpi moderate, the fourth 

 segment one-half longer than the third; ovipositor lobes narrowly 



oval, thickly setose antennata n. sp., C. 1360 



cccc Abdomen dark yellowish brown, length 1.75 mm, the fifth antennal 

 segment with a stem one-fourth the length of the cylindric basal 

 enlargement, which latter has a length three times its diameter, 

 the fourth palpal segment one-half longer than the third; ovipositor 

 lobes biarticulate, the basal portion narrowly oval, the distal seg- 

 ment fusiform nova e-a n g 1 i a e Felt, C. 1503 



bb Fifth antennal segment with a stem one-third the length of the basal 

 enlargement 



c Abdomen yellowish, mesonotum black dietzii Felt 



bbb Fifth antennal segment with a stem one-half the length of the basal 

 enlargement 



c Abdomen reddish brown, mesonotum almost black dorsata Felt 



a a 13 antennal segments, the fifth with a stem one-fourth the length of the basal 



enlargement; females 

 ■ b Abdomen fuscous yellowish, length 2 mm, the basal enlargement of the fifth 

 antennal segment with a length three and one-half times its diameter; 

 terminal lobes of the ovipositor narrowly oval, with a length three and 



one-half times the width tuckeri Felt, C. 1255 



bb Abdomen fuscous yellowish, basal enlargement of fifth antennal segment 

 with a length twice its diameter, terminal lobes of the ovipositor with a 



length twice the width vernalis Felt, C. 1401 



bbb Abdomen dark brown, length 1 . 75 mm, the basal enlargement of the 

 fifth antennal segment with a length four times its diameter; terminal 



lobes of the ovipositor lanceolate setosa Felt, C. 1487 



bbbb Abdomen reddish yellow, length 2.5 mm, the basal enlargement of the 

 fifth antennal segment with a length four times its diameter, the ter- 



^ Coquillett, D. W. Can. Ent., 37: 200, 1905. 



