No. 22.] HYMENOPTERA OF CONNECTICUT. 457 



acute and with the front deeply grooved, antennae dark brown, 

 scape pale; parapsidal grooves very distinct; tips of tibiae and 

 tarsi white, except the apical tarsal joints of hind legs, which are 

 brown ; wings hyaline, veins yellowish ; abdomen sessile. 

 Parasitic on Attelahus rhois. 



Pleurotropis Foerster. 



°P. ashmeadi Crawford. 



Male : length 2 mm. ; mostly cyaneous, delicately ripple- 

 marked ; head broader than thorax, scape yellow except a dusky 

 streak above near the apex, flagel black and hairy ; thorax 

 slightly shorter than the abdomen ; legs mostly yellow, their 

 coxje and femora black ; wings hyaline, with two transparent 

 bands of brown, veins pale brownish, the postmarginal vein 

 longer than the stigmal ; abdomen pointed ovate, its second seg- 

 ment longest, but extending hardly to the middle of the abdo- 

 men, sides of the abdomen with some hairs. 



This is listed as a tertiary parasite of the white-marked tus- 

 sock moth (Hemerocampa leucostigma) with Dibrachys bouche- 

 aniis as host, as a possible quaternary parasite with the latter 

 specie's as host, and as a quinquenary parasite of the American 

 tent caterpillar, (Clisiocanipa) Malacosoma arnericana. 



°P. albitarsis Ash mead. 



Female and male: length 1.5-2 mm.; mostly bluish black, in- 

 cluding antenna: ; vertex of head aeneous and scaly ; mesothorax 

 aeneous and scaly ; legs steel blue except tips of tarsi, which are 

 yellowish white ; wings hyaline, veins pale brown ; abdomen of 

 female pointed ovate, of male, linear. 



Astichus Foerster. 

 °A. minutus Howard. 



Male: length i mm.; mostly shining black; antennae 10- 

 jointed, light brown, head slightly punctate; surface of thorax 

 smooth and not appreciably punctate ; all femora black, light at 

 tips ; tibiae and tarsi yellowish. 



Listed as an American parasite of the cosmopolitan scale, 

 Eulecanium persicce, which lives on peach trees. 



