49^ CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



the pedicel, second to sixth joints increasing somewhat in width, 

 club obliquely truncate and as long as the two preceding joints 

 combined ; eyes faintly hairy ; axillae well separated at tips, nearly 

 smooth, scutel faintly emarginate at tip, tegulae smooth, light 

 brown at tip, somewhat metallic at base, a marked depression at 

 central hind border of mesonotum, mesopleurae smooth; all legs 

 mostly honey-yellow, front and mid femora brownish, hind tibiae 

 black, all coxae metallic; veins of the wings brown; abdomen 

 faintly shagreened. 



B. peculiaris Howard. 



Female: length 1.75 mm.; mostly blue-green; antennae with 

 their joints not well defined, scape not reaching to top of head, 

 its basal half honey-yellow, its distal half black above, yellowish 

 beneath, flagel black, and with dense black hairs, pedicel twice 

 as long as thick, longer than first funicular joint, funicular 

 joints subcylindrical, increasing in diameter from first to sixth, 

 the sixth as long as thick, club much flattened, somewhat sharply 

 obliquely truncate at tip and as long as the three preceding 

 joints combined; scutel uniformly punctate; anterior wings 

 slightly ciliate at tip; anterior femora black with green luster, 

 yellow at tip, mid and hind femora honey-yellow, front and mid 

 tibiae honey-yellow, hind tibiae somewhat compressed laterally and 

 black, all tarsi honey-yellow. 



Male: differs from female in the antennae, which are much 

 longer and more slender, in the first funicular joint being three 

 times as long as thick and one-third longer than the pedicel, in 

 the club, which is only nearly as long as the two preceding joints 

 combined, and in the antennae and front femora being honey- 

 yellow throughout. 



Bred from a syrphid larva on an oak leaf. 



Copidosoma Ratzeburg. 

 C. gelechias Howard. 



Female: length 1.5 mm.; head black with purplish reflections, 

 antennae nearly black throughout, pedicel as long as first funicular 

 joint, its tip yellowish, club obliquely truncate at apex, and as 

 long as the five preceding joints combined, joints of the funicle 

 gradually decreasing in length from the first to sixth, punctures 



