00 MK. smith's descriptions of htmenopteeotjs insects 



the flagellum fulvous beneath ; the mandibles, palpi, and cheeks tes- 

 taceous; the intermediate legs in front and the posterior tibiae in 

 fi'ont rufo-testaceous, the coxae and trochanters more obscure ; the 

 wings fuscous ; the scutellum very convex and obscure rufo-testaceous. 

 Abdomen : the three apical segments finely punctured and shining ; 

 the apical margins of the segments narrowly rufo-piceous. 

 Hab. Makassar. 



Gen. Mesostenus, BrulU. 



1. Mesostenus insidiator. M. niger ; capite thoraceque flavo 

 variis ; pedibus ferrugineis flavo lavatis ; segmentis abdominalibus 

 flavo marginatis ; alis hyalinis. 



Female. Length 10 lines. Black and shining; the orbits of the eyes, 

 the clypeus, mandibles, and a spot on the scape of the antennae, 

 yellow ; the joints of the antennae, from the fourth to the fifteenth, 

 white. Thorax : the posterior margin of the prothorax, two large 

 spots beneath the wings, two on the metathorax above, the scutellum, 

 postscutellum, and a large patch on each side, as well as the tegulae, 

 yellow; the legs pale ferruginous, the anterior femora beneath, the 

 tibiae in front, the intermediate and posterior tibiae and tarsi, as well 

 as the coxae, yellowish-white; the posterior coxae black beneath. 

 Abdomen : the basal segment forming a smooth shining petiole, the 

 two following segments opake, and the rest shining black, the five 

 basal segments margined with yellow ; the ovipositor one-third longer 

 than the body. 



Hab. Makassar. 



Gen. Trtphon, Orav. 



1. Tryphon lutorius. T. niger, luteo varius; alis hyalinis iridescen- 

 tibus. 



Length 6^ lines. Black ; the scape, tibiae, tarsi, tegulae, scutellum, and 

 three basal segments of the abdomen, luteous ; the flagellum fulvous 

 beneath and fuscous above ; the anterior and intermediate coxae and 

 trochanters luteous ; the anterior femora luteous, with a dark stain 

 behind ; the intermediate femora luteous at their base and apex ; the 

 wings hyaline, faintly clouded towards their apex ; the body smooth 

 and shining, with the sides of the metathorax covered with cinereous 

 pubescence. 



Hab. Makassar. 



Gen. Cryptijs, Fahr. 



1. Cryptus opacus. C. niger; antennis medio albis; alis fuscis, apice 

 albo ; pedibus ferrugineis. 



Female. Length 5? lines. Black and opake, with the basal segment of 

 the abdomen shining. The clypeus, a heart-shaped spot above it, and 

 the joints of the antennae above from the seventh to the eleventh, 

 white. Thorax coarsely rugose ; the scutellum with a white spot at 



