650 
Journal of Agricultural Research 
Vol. XXX, No. 7 
FIG 3 .—Schedius kuvanae and its colonization: a. Two stacks of Schedius rearing trays; b, a single rearing 
tray; c, glass vials containing gipsy moth eggs from which Schedius adults were obtained for stocking 
rearing trays; d, mailing tube into which adult Schedius are transferred from the rearing trays. A 
removable cover in the top of the mailing tube contains a spring trapdoor which prevents the Schedius 
from escaping. When the tube contains 4,000 Schedius, this cover is removed and the top is covered 
with a piece of cotton cloth 
