I c^ O PS} 'CHE [ A ugust 



their tibiae, the claws with a distinct tooth at base beneath 

 (agamous 9 ) . . . . . . Parateras Ashmead 



(Type P. hubbardi Ashm.) 



9. Antennae 13-jointed, the third joint not quite so long as 4-5 united, joints 

 g-i2 scarcely longer than thiclc, the last joint as long as the two preceding 

 united; body bare or nearly; frons alutaceous ; niesonotum smooth, shining; 

 scutetlum without a fovea at base ; hind tarsi much shorter than their tibiae, 

 the claws with a blunt tooth at base beneath (agamous 9 ) 



Sphaeroteras Ashmead 

 (Type Biorhiza mellea Ashm.) 

 Antennae 12-jointed, the third joint a little shorter and thicker than the fourth, 

 but equal to the fifth, joints 6-8 gradually shortening, joints 9-1 1 very little 

 longer than thick, the last joint oblong, fully as long as 10 and 11 combined; 

 head and thorax very closely punctate, hairy, the disk of mesopleura alone 

 polished, but densely pubescent below ; scutellum cushion-shaped, a little longer 

 than wide, with two distinct, smooth, lunate foveae at base; hind tarsi not 

 longer than their tibiae, the claws with a tooth at base beneath (agamous 9 ) 



Trichoteras Ashmead 

 (Type T. coquilletti Ashm.) 



10. Antennae 13-jointed, somewhat thickened, the joints after the third short; 

 claws simple (agamous 9 ) • • • • • Belonocnema Mayr 



(Type B. treatae Mayr.) 



11. Front wings with the marginal cell always open along the front margin, the 

 areolet usually distinct, rarely with the first transverse cubitus wanting, and 

 situated distinctly beneath the origin of the radius or on an imaginary line 

 drawn through the extreme base of the marginal or radial cell. 



Mesonotum smooth and shining, or at the most alutaceous or very feebly 

 coriaceous ...........12 



Mesonotum never smooth and shining, shagreened, coriaceous, punctate, 

 rugulose, or very coarsely rugose-punctate, with the furrows more or less 

 distinct ........... 26 



12. Mesonotum always longer than wide, with the parapsidal furrows more or less 

 distinct, or at least indicated by slight depressed alutaceously sculptured lines 



Mesonotum not longer than wide, smooth, highly polished, and without traces 

 of the parapsidal furrows, but with an impression at the base of the scapulae 

 that extends from in front of each tegula obliquely towards base of the 

 scutellum ; scutellum with a transverse grooved line at base. 



