HYMENOPTERA OF THE HAWAIIAN ISLANDS. 209 



tennse testaceous beneath. Thorax, the tegulse testaceous, 

 the wings hyaline, the nervures dark testaceous ; the en- 

 closed portion of the metathorax longitudinally irregularly 

 sulcate at its base. Abdomen very smooth and shining, 

 beneath it is dark fusco-ferruginous, as well as the legs ; 

 the claws ferruginous. 



"Male. The clypeus and a space on each side not 

 touching the eyes, forming together an oval, bright yellow; 

 the scape dilated, triangular; the flagellum testaceous be- 

 neath. Thorax, the anterior tibise in front, and the claws 

 testaceous ; otherwise as in the other sex. 



" Hah. Sandwich Islands.^' 



12. Prosopis flavipes. 



" Male. Length 2| lines. Black ; the face yellow, the 

 colouring is continued upwards on each side nearly to the 

 vertex of the eye ; the scape cylindrical, black, the rest of 

 the antennse orange, yellow beneath. Thorax, the meta- 

 thorax has no distinctly enclosed space, and is subrugose ; 

 the wings hyaline, the nervures dark fuscous, all the tibiae 

 and tarsi bright yellow, the former have a ferruginous 

 stain behind. Abdomen smooth and shining, the margins 

 of the segments narrowly rufo-testaceous. 



'' Hab. Sandwich Islands." 



ApidtE. 

 13. Megachile diligens. 



Megachile diligens. Smith, Proc. Linn. Soc. xiv. p. 684 ; Kirby, Ent. Month. 

 Mag. xvii. p. 86. 



Not uncommon. " Forming nests of leaves of a species 

 of Acacia rolled up into cylindrical cells, which are joined 

 one at the end of another to the length of several inches, 

 and are placed in crevices of masonry. '^ — T. B. 



SER. III. VOL. X. p 



