160 HYMENOPTEKA. 



This species may be referable to C. mexicana, Cresson ; but the latter is stated to 

 have the tips of the femora, the anterior tibiae in front, the base and apex of the middle 

 tibiae, and the base of the four anterior tarsi, lemon-yellow ; the apex of the median 

 segment with a golden-sericeous pile (in our species silvery) ; and the wings pale 

 yellowish-hyaline. 



6. Ceropales fumipennis. (Tab. X. fig. 3, <? organ.) 



Nigra, clypeo, labro, coxisque anticis albis ; alis fusco-fumatis. <3 . 

 Long. 9 millim. 



Had. Panama, Bugaba {Champion). 



Eyes large, converging beneath, slightly curved above ; ocelli in a curve, separated 

 from each other by a greater distance than they are from the eyes. Head convex 

 behind, closely punctured ; a narrow furrow runs down from the ocelli ; the clypeus 

 transverse, projecting ; the face and cheeks densely covered with a silvery pubescence ; 

 the white colour extends halfway up the inner orbits ; the palpi fuscous. Antennae 

 stout ; the third joint somewhat longer than the fourth ; the scape beneath white and 

 covered with silvery hair. Thorax alutaceous, covered with a silvery pile ; the pro- 

 notum subquadrate, concave in the middle laterally, anteriorly arcuate ; scutellum 

 gibbous, narrowed towards the apex ; median segment finely punctured, the apex finely 

 transversely striated. Abdomen shining, sessile, shorter than the thorax ; the second 

 segment at the base laterally with a somewhat triangular white spot ; the third seg- 

 ment edged with white above ; the apical segment also white. Legs very elongate ; 

 the coxae and femora densely covered with white, the tibiae and tarsi with black, 

 pubescence ; the tibiae and tarsi sparsely spined, the four anterior spines pale, the 

 posterior spines black ; the claws reddish, bifid. The second cubital cellule at the top 

 a little longer, at the bottom considerably shorter, than the third cellule ; the first and 

 second transverse cubital nervures straight, oblique, the third elbowed about the middle, 

 making the third cellule at the top a little longer than the space bounded by the 

 second transverse cubital and second recurrent nervures ; the first and second recurrent 

 nervures received a little before the middle. 



In one example the white markings on the abdomen are obliterated, or nearly so ; 

 this specimen has the base of the wings and the first cubital cellule subhyaline, and the 

 four anterior spurs blackish. 



7. Ceropales chiriquensis. (Tab. X. fig. 4., wing.) 



Long. 10 millim. 



Hab. Panama, David (Champion). 



Black ; the clypeus, the face and orbits broadly, two large marks on the third abdo- 

 minal segment, the apical segment, and a line on the pronotum behind, white ; wings 



