On new Species of Fossorial Uymenoptera. 49 



VI. — Descriptions of new Species of Fossorial Uymenoptera 

 in the Collection of the British Museum. By Frederick 

 Smith, Assistant in the Zoological Department, British 

 Museum. 



[Continued from vol. xi. p. 451.] 



Genus Notocyphus, Smith. 

 Notocyphus maculifrons. 



Female. Length 1\ lines. Head, thorax, and base of the 

 abdomen black, the following segments ferruginous ; wings 

 fusco-hyaline, with the apex of the anterior pair dark fuscous. 

 Head as wide as the thorax ; a narrow abbreviated line at the 

 inner orbits of the eyes, above the insertion of the antennae ; 

 a small yellow angulated spot on each side of the clypeus ; 

 an obscure fulvous line, on the seven apical joints of the 

 antennae beneath ; the palpi rufo-testaceous. Thorax : the 

 prothorax shorter, and the metathorax a little longer than the 

 mesothorax ; the latter truncate ; the claws of all the tarsi and 

 the spurs of the anterior tibire ferruginous. Abdomen : the 

 posterior margin only of the first segment ferruginous ; the 

 two following segments have on each side a pale ferruginous 

 curved line, those on the third segment uniting at the base of 

 the segment ; the two following segments have, at their base, 

 a dark fuscous transverse spot ; beneath, each segment has a 

 large black macula on each side, which occupies the greater 

 part of the segment. 



Hob. Para. 



This species resembles the type of the genus, N. scevissimus, 

 also found at Para ; but it has a broader head, its prothorax is 

 proportionally shorter, as is also the metathorax; it differs 

 also in having; ferruginous claws and in the coloration of the 

 wings, and in having the clypeus maculated. 



Genus Pepsis, Fabr. 

 Pepsis eximius. 



Male. Length 1\ lines. Brilliant green, with golden tints. 

 Head : the sides of the clypeus and of the face covered with 

 bright golden pubescence, the cheeks are also adorned with 

 the same; antennas orange-yellow, with the scape and first 

 joint of the flagellum black. The sides of the thorax and the 

 coxa} beneath covered with bright golden pile ; the sides of 

 the scutellum, the postscutellum, and entire margins of the 

 metathorax above with golden pile ; legs black, with tints of 

 bright green in certain lights ; wings fulvo-hyaline, with a 



Ann.& Mag. N. Hist. Ser. 4. Vol. xii. 4 



