ie. BENEFICIAL VERSUS INJURIOUS INSECTS. 
LARVA OF COTTON BOLL WEEVIL ATTACKING — LARVA OF COTTON BOLL WEEVIL WITHIN 
COTTON BOLL (U.S.A. Bur. Ent.). 
COTTON BOLL (U.S.A. Bur. Ent.). 
EMERGENCE HOLES OF TACHINID FLIES FROM - a ; 
PARASITIZED PUPHE (1.5. D-p.‘Agr.). _ GRASSHOPPER EGGS, SHOWING EXIT HOLES OF 
' AN EGG PARASITE (4. chalcid). Etipelmus mirabilis, 
555 : 
