282 Mr. Cameron on 



OXYBELUS ARGENTEOLINEATUS, Sp. 110V. 



Head strongly punctured, closely covered (the vertex 

 sparsely) with a white silvery pubescence; the mandibles 

 yellow at the base ; deeply furrowed. Front ocellus in a 

 shallow depression ; an elongated fovea on the outer side 

 of the posterior near the eyes. Antennae black, shortlypilose, 

 stout ; the third joint distinctly longer than the fourth. 

 Thorax close punctured, the pleurae almost rugosely ; the 

 pronotum above, the tubercles and metanotum yellow. 

 Pronotum above transverse, projecting, the sides obliquely 

 curved. Metanotum without laminae. Median segment 

 short, semi-perpendicular ; the base with short stout keels, 

 becoming longer towards the middle, margined, and with 

 two keels which run down to the apex of the segment, con- 

 verging as they do so. Metapleurae coarsely shagreened, the 

 base hollowed, shining, and impunctate. Abdomen punc- 

 tured ; the segments lined densely with silvery pubescence, 

 which becomes narrowed in the centre; pygidial area 

 densely covered with stiff rufofulvous depressed pubescence. 

 Legs densely covered with silvery pubescence ; the tibiae 

 more or less lined with black behind ; the short stumpy 

 teeth on the hind tibiae rufous. The recurrent nervure is 

 received in the middle of the radial cellule, and is slightly 

 curved and oblique. Length 6 mm. 



OXYBELUS LEWISI, Sp. 110V. 



Black, densely covered with a short silvery pubescence ; 

 the punctuation close, moderately strong ; the mandibles, 

 tubercles, tegulse in part, two elongated marks on the 

 scutellum, metanotum, a line running from the scutellum 

 and metanotum to the wings, a lateral mark on abdominal 

 segments i — 5 and the knees, tibiae and tarsi in front, yellow, 

 wings clear hyaline, the nervures pale fulvous. Ocelli in a 

 curve ; the hinder separated from the eyes by the length of 



