494 



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



Baeocharis Mayr. 



°B. marlattii Ashmead. 



Female and male: length 0.5-0.75 mm.; thorax nearly as 

 broad as long, mostly shining black, with some aeneous tinge- 

 ings in certain lights. Male: head much broader than thorax. 

 Female: head much thicker antero-posteriorly than in the male; 

 eyes converging in front, antennae inserted just above the mouth, 

 apparently only 6-jointed, but really lo-jointed, joints of the club 

 very closely soldered together, scape not reaching much beyond 

 middle of face and lying in a facial groove, pedicel longer than 

 wide, third joint longer than wide; scutel convex; legs mostly 

 browTi; knees, tips of tibiae, and all of tarsi honey-yellow; abdo- 

 men sessile, broadly oval, with the first segment longest. 



Bred from a greenhouse aphis. 



Comys Foerster. 

 °C. bicolor Howard. U. S. Dept. Agric, Rept. Entomologist, 

 1880, 1881, p. 362, PL 23, Fig. 3. 



Female and male: length 1.75 mm.; mostly yellow-brown; 

 cheeks bek)w eyes blackish, palpi black, scape silvery beneath, 

 black above, flagel black, with many short black hairs ; prothorax 

 shining black, rest of thorax with black hairs, scutellar tuft thick, 

 black, and apparently arising in two longitudinal, closely approxi- 

 mated rows ; anterior femora white beneath, fuscous above, espe- 

 cially toward knee, their tibiae and tarsi dark brown ; mid femora 

 white beneath, fuscous above, their tibiae, tarsi and tibial 

 spurs brownish yellow; posterior legs with the femora and tibiae 

 dark brown, nearly black, base of first tarsal joint black, rest 

 silvery; distal two-thirds of wings dusky, with a hyaline wedge- 

 shaped band at the end of the marginal vein ; at the junction of 

 the subcostal vein with the costa a broad, clear, hairless band ex- 

 tends back across the wing; a fringe of dark hairs upon the sub- 

 costal makes an abrupt downward bend at a little over one-half 

 its length and becomes the proximal border of the hairless space 

 for a little over one-half the wing width ; abdomen shining black, 

 and with sparse long black hairs. 



Parasitic upon Lecanium hesperidum on ivy. Listed as an 

 American parasite of a cosmopolitan insect. 



