1880 .] 
27 
[Packard. 
Microgaster atalantae n. sp. 
Five 9, eight $. Body jet black, polished: antennae black- 
ish brown ; palpi whitish ; mandibles pale reddish, blackish at base. 
Propodeum very rugose, the ridges high and prominent, with a dis- 
tinct median ridge. Legs with the coxae black ; trochanters blackish 
at base; all beyond dark honey yellow ; terminal joint of tarsi a 
little dusky. Pterostigma broadly triangular, brown ; veins 
brown, upper division of the outer side of the first subcostal cell 
short (shorter than in M. carduicola Pack.). Abdomen highly 
polished. 
Length $ .10 ; 9 .10-.12 inch. 
There are very few males in proportion to the females. 
The white cocoons (about fifty in number) are arranged stand- 
ing up on end and side by side, in a mass one-half inch in diame- 
ter covered by white silk. 
Bred from Pyrameis Atalanta. (S. H. Scudder.) 
Microgaster carduicola n. sp. 
$ and 9 . Body black, with the femora (except the distal por- 
tion of fore pair) blackest and the tibiae and tarsi reddish testace- 
ous. Antennae rather slender ; palpi pale testaceous ; head and 
eyes as usual with firm white hairs. Propodeum full, rounded, 
coarsely rugose, ridges very irregular with no median line, hind 
coxae and two basal rings of abdomen rugose, coarsely punctured, 
wings clear, pterostigma broadly triangular, brown; veins pale 
brown ; two divisions of the outer side of the first subcostal cell 
equal in length, the bend being in the middle of the side, the sec- 
ond median is a little more oblong than in M. atalantae Pack, 
(bred from Pyrameis Atalanta and Vanessa Milberti), and the outer 
side considerably longer. Trochanters black, basal one-third to 
one-half of fore femora blackish, beyond reddish brown testace- 
ous, and concolorous with the tibiae; tarsi brownish, darker 
towards the claws; base of basal joint pale; middle and hind 
femora blackish ; tibiae reddish testaceous with a slight dusky 
tinge ; tarsi pale at base, becoming dusky towards claws. Abdo- 
men from the third joint onwards polished black. 
Length $ .12 ; 9 .12-14 inch. 
Readily distinguished by the black femora, except the distal 
part of first pair, and by the reddish tibiae, dusky tarsi and black 
body. ' 
