216 Mr. Thomas Desvignes' Descriptions of 



tVwgs hyaline, with a very faint tinge of yellow ; base and stigma 

 pale, the latter slightly cloudy. Legs — coxae and trochanters 

 black, the first and second pairs of the latter sometimes yellow at 

 their apex ; first pair of femora pitchy fulvous at the base, paler 

 at the apex, second pair black at the base, sulphur colour after- 

 wards ; hinder femora black, the extreme apex fulvous ; all the 

 tibiae yellowish, the tarsi fuscous. 



Abdomen depressed, first segment sessile-quadrate, the second 

 broader than the first, both deeply punctate, a slightly impressed 

 line on each, the remainder punctate ; the margins of second to 

 fifth segments chestnut red ; apex of female sub-compressed ; 

 aculeus sub-exserted. 



Allied to B. multicolor, Grav. 



Bassus maculatus. 



Segmentis mediis rufis nigro-macnlatis ; pedibus fulvis, coxis 

 et trochanteribus flavis, posticis basi nigris ; $ facie, geuis, 

 picturis thoracis et pectoris flavis ; $ ore et macula fere 

 dimidiata infra- antennas flavis, abdomine e segment© 2° 

 compresso. 

 Long. 2— 2J lin. 



Head — face, cheeks and frontal orbits of the $ yellow, the 

 former distinctly protuberant longitudinally ; female with a yellow 

 dot nearly double just below the antennae. Antennce shorter than 

 the body, filiform, the last joint slightly acuminate ; of the S 

 beneath yellow ; ? towards the base pale ferruginous, second 

 joint at the extreme base black. Thorax more cylindrical than 

 gibbous, a line before, a dot at the base and another adjoining 

 beneath the wings, yellow ; the ^ has besides a yellow band ex- 

 tending from below the wings to the breast behind the first pair of 

 coxae, and also a yellow dot on each side of the collar. Scutellum 

 black. Wings hyaline ; stigma and base pale ; the costa fuscous. 

 Legs fulvous ; coxae and trochanters yellow, the hinder pair black 

 at the base, a blackish streak beneath the posterior femora of the 

 ^ ; tibiae pale fulvous, and the tarsi rather darker. Abdomen $ — 

 1st and 2nd segments black, the margin of the latter and 3rd — 5th 

 segments rufous or chestnut ; 3rd —5th with a large, central, some- 

 what triangular black patch. ? black, the sides of the 2nd — 5th 

 entirely red or chestnut, from the apex of the 2nd much com- 

 pressed, forming, as it were, a narrow ridge on the back ; aculeus 

 very short, curved upwards. 



