TY - BOOK AU - Singh, Jaiinder Pal TI - Ecological studies on trichogramma chilonis ishii (Hymenoptera : Trichogrammatidae), an egg parasitoid of cotton bollworms U1 - 633.519 79 S48E PY - 2000/// PB - Ludhiana KW - COTTON -- DISEASES AND PESTS -- ECOLOGY KW - TRICHOGRAMMATIDAE -- ECOLOGY ER -