Dec.,i902.1 ASHMEAD: CLASSIFICATION OF PrOCTOTRYPID.E. 



245 



5. Abdomen with three, rarely with 4 dorsal segments, the second not greatly length- 



ened, the third long and strongly compressed at sides ; marginal vein not shorter 

 than the marginal cell ; antenna? filiform, pubescent, the funicular joints all long. 

 Leptorhaptus Forster (type L. abbreviatus FoRSTEr). 

 Abdomen with 3 dorsal segments, the second very much lengthened, nearly ex- 

 tending to the tip of the abdomen, the third issuing from it as a short stylus ; 

 marginal vein usually distinctly shorter than the marginal cell, antennce filiform, 



pubescent, the 5 or 6 terminal joints oval, the others long Miota Forster 



(type unknown). 



6. Abdomen with 7 or 8 dorsal segments 7 



Abdomen with 5 or 6 dorsal segments, long and slender. 



Abdomen with 5 segments, the last three long and slender, together as long as 

 the second and resembling the terminal segments of a scorpion ; antennae 

 long, filiform Scorpioteleia Ashmead. (Type S. niirabilis AsHM.). 



Abdomen with 6 segments, the tip curving upwards, the second segment hardly 

 longer than the long petiole, dorsally triangularly excised at apex, the third a 

 little longer than 4 and 5 united, the last conical ; antenna filiform, the last 

 joint ovate, stouter and about as long as the two preceding joints united. 



Stylidodon Ashmead (type S. politum Ashm. ). 



7. Winged forms; thorax normal; ocelli present 7j4 



Wingless ; thorax narrow, attenuated ; head oblong oval ; ocelli wanting. 



Betula Cameron (type B. ftilva Cam.). 



7j4. Abdomen with 8 dorsal segments • 9 



Abdomen with 7 dorsal segments. 



Antennae clavate-moniliform, the first funicle joint slightly longer than the 

 pedicel, all the others to the last, moniliform, the last enlarged, oval; 

 first abscissa of the radius usually straight, rarely very oblique. 



Acropiesta Forster (type A. collaris FoRST. ). 



9. Eyes bare '5 



Eyes hairy. 



Middle carina of metanotum not divided lO 



Middle carina of metanotum divided, or wanting Belyta/w/w^ 



(type B. bicoior Jurine). 



10. Postscutellum normal, unarmed II 



Po.stscutellum armed with a strong thorn or spine Oxylabis Forster 



(type Belyta bisulca Nees. ). 



11. Third dorsal segment of abdomen not, or very little, longer than the fourth.. 12 

 Third dorsal segment of abdomen much longer than the fourth. 



Mandibles short, small ; marginal vein as long as the marginal cell ; antennae 

 filiform, pubescent, the last flagellar joint more than twice as long as thick. 



Cinetus Jurine (type unknown.) 

 Mandibles long, falcate, decussate ; marginal vein shorter than the marginal 

 cell ; last funicular joint not more than twice as long as thick. 



Xenotoma Forster (type Belyta bicoior Nees. ). 



12. Marginal cell open at apex ^3 



Marginal cell closed. 



