196 HYMENOPTEBA. 



9. Joppa xanthostigma. 



Joppa xanthostigma, Cameron, Ent. Mo. Mag. xxi. p. 105 1 . 



Flava ; antennis, vertice, mesonoto, mesosterno, abdominis apice, tarsis posterioribus tibiarumque posticarum 



apiee, nigris ; alis flavis, apice fumatis, stigmate flavo. c? . 

 Long. 13 millim. 



Eab. Costa Kica, Cache 1 (Rogers). 



Body smooth, shining, impunctate, covered with a dense blackish or fuscous pubes- 

 cence. Petiole shining, impunctate, the rest of the back of the abdomen obscurely 

 punctured, the punctures scarcely visible on account of the pubescence. Metanotum 

 excavated in the middle behind ; the area? obsolete, but there is a curved keel on each 

 side. There is a small black line at the base of the third abdominal segment; the 

 fourth and following segments are black, except a fulvous fascia in the middle of the 

 fourth. Areolet sharply triangular above. 



Differs from J. melanostigma in the abdomen not being longitudinally striated, in 

 the cloud at the apex of the wing extending to the areolet, in there being no black on 

 the femora, in the breast being black, &c. 



10. Joppa decorata. 



Joppa decorata, Cresson, Trans. Am. Ent. Soc. ii. p. 32 ( 6) l . 

 Eab. Mexico. Orizaba x (Sumichrast). 



11. Joppa incerta. 



Joppa incerta, Cresson, Proc. Acad. Phil. 1873, p. 131 \ 

 Eab. Mexico, Orizaba l (Sumichrast). 



12. Joppa maculicornis. 



Joppa maculicornis, Cameron, Ent. Mo. Mag. xxi. p. 105 \ 



Mava ; antennis, capite postice, mesonoto, mesopleuris, metanoti basi, abdominis apice, tarsis posterioribus, 

 femoribusque posterioribus dimidio apieali, nigris ; antennarum annulo medio albo ; alis nigris, medio 

 flavo-hyalinis. 



Long. 12 millim. 



Eab. Panama, Volcan de Chiriqui 4000 to 6000 feet x , Bugaba (Champion). 



Head smooth, shining, impunctate ; the black marking does not extend much beyond 

 the eyes behind ; in front it reaches the commencement of the frontal depression and 

 projects to a point in the middle, and, to a less extent, on either side ; labrum and the 

 apex of the mandibles black. Antennae stout, as long as the thorax and abdomen 

 together ; scape yellow beneath. Thorax densely pubescent ; mesonotum shagreened ; 

 the black does reach the prothorax at the sides, and there are two short yellow bands 

 at the sides. Scutellum smooth, shining, margined at the sides, broad and raised at the 



