Bul. 416, U. S. Dept. of Agriculture. PLATE VIII. 
COCCWEL 2.4 
NOVEM: NOTA Ted 
z 
4 
Sy 
5 
TRIPHLEPS. 
Quai 
CLO ORS 
PUNCTIPES 
HY POASPIS 
MACROPILIS 
c 
7LL Ep 
so "Onis 
DIAGRAM ILLUSTRATING COMPLEX RELATIONSHIP OF RED SPIDER TO ITS ZOOLOGICAL 
ENVIRONMENT. 
Nine groups of predators embracing 31 species are seen to attack the red spider, and in turn 7 of 
these predator groupsareattacked by a totalof 75 speciesof parasitesand predators. (Original.) 
