120 MEMOIftS OF rilE Qf KliS SLAND MUSEFM. 



TABLE TO THK KAKTH'S K\C>KTI X K (IKXKKA OF KXCYRTID^.* 



Females. 

 Winged. 



Antenna) inserted near the middle ot" the i'lice. 



Scape very long; funiele 1 elongate; postniarginal vein mueh longer tliun marginal and 

 stigmal, the marginal thick. Chib solid. Male antenuae with rami 



Hex-\cl-\di.\ Ashmead, Hexexcyktus Oirault. 

 Scape normal. Marginal, postniarginal and stigmal veins long, snbequal 



Taneoneura Howard. 

 AuteniiEe inserted distinctly ventrad of midille of face, at the clypens or nearly. 

 Antennas 6-jointed, the funicle ."-Jointed. 



Marginal \eiu pnnctifonn, the postinarginal absent, the stigmal very minute 



('occoBius Ashmead. 

 Antenna) 9-joiuted. 



Funicle 4-joint.ed ; oluli 3-jointed. 



Marginal vein (piadrate, the stigmal twice its length. Abdomen compressed, elongate 



Cercobelus Walker. 



Marginal vein short but longer than the short stigmal. the postniarginal absent. 



Vertex flat, the frons prominent. 



Scutellum with a sparse tuft of liristles at apex. Abdomen as long as thorax. 



the ovipositor somewhat extruded . . . . . . Homaf-opoda Howard. 



The same (?) but postinarginal vein distinct, shoit .. Plagiomerus Crawford. 



Funicle 6-jointed, the club solid (see IIcj:iicladia Ashmead, above). 

 Caudal tibia) greatly, foliaceously flattened. 



Postniarginal and stigmal veins elongate, the former the longer, the marginal barely 

 longer than wide; scape slender. Male antennae with branches . . 



Neocladia Perkins. 

 Caudal tibia) normal. 



Scutellum with a tuft of hairs at apex. 



Marginal vein long, thrice or more the length of the short stigmal, the post- 

 marginal subobsolete; antenna) cylindrico-clavate, the scape long and slender 



Saraxotum Perkins. 

 Scutellum without an apical tuft of bristles. 

 Scape foliaceously dilated ventrad. 



Marginal vein jiuuctiform, the stigmal long, the postinarginal somewhat over 

 half its length; flagellum greatly flattened, the funicle joints very much 

 wider than long, (i much wider thau 1, the pedicel very small. Frons 

 prominent. Dilation of scape great . . Leurocekus Crawford. 



Marginal vein nearly twice longer than wide, subequal to the postniarginal, 

 the stigmal a little shorter. Funicle cylindrical, the club barely wider, 

 the joints short . . . . . . . . . . Leuroceroide.s Girault. 



Sca]ie slender or merely compressed or slightly enlarged distad, the flagellum 

 normal. 

 Head normal, that is, not noticeably longer than wide; face intlexed. 



Postniarginal vein subobsolete, the marginal twice longer than wide, the 



stigmal still longer Isodromoides Girault. 



Postmarginal vein a third longer than the marginal which is nearly twice 

 longer than wide. Stigmal vein slightly longer than the postmarginal . . 



Neocopidosomyia Girault. 



•Based mainly on Ashmcul :,ii(l M;.y: Tin iiiit,.:oint i^ not counted with one exception. 



