THe HyMeENopTerA OF MINNESOTA 193 
in order to be in favorable position to oviposit in the eggs of the latter 
when it is forming its peculiar egg case or ootheca. 
Spilochalcis mariae Riley parasitizes our larger moths, Telea, 
Samia ete. S. debilis 
Say is a secondary 
parasite of Hemero- 
campa  leucostigma ; 
its hosts are Amor- 
phota orgyiae, Mete- 
orus communis, M., 
hyphrantiae, Prota- 
panteles hyphantrae, 
P. delicatus. Chalcis 
compsilurae Crawf., 
has been reared from 
me | _. puparia of Compsi- 
Fig. 77. Polyneina striaticorne Gir. lura concinnata. 
Minnesota species: 
Phasgonophora sulcata Westw., Polynema_ striaticorne Gir. Spilo- 
chalcis sp. 
LEUCOSPIDAE 
As in Chaleididae, but fore wings when at rest folded longitudinally, and oviposi- 
tor is curved over dorsum of abdomen. 
In Minnesota Leucospis affinis Say has been bred from the nests 
of a leaf-cutting bee. 
NOMENCLATURE OF WING PARTS IN THE DRAWING OF 
Serphus caudatus 
OLD SYSTEM COMSTOCK-NEEDHAM SYSTEM 
Veins Veins 
Basal M and m-cu , 
Cubital Media and at wing margin R,4+,+M, 
Transverse Cubital R; and r-m 
Recurrent Mst4 
Cells Cells 
First submarginal Ist R,+R 
Fused cells beyond Ist submarginal  Rststs 
Marginal (reduced to a minute area 
beyond the stigma) Zd Ra eR: 
