TY  - SER
AU  - Tawfiek,Mohamed Samier
TI  - Natural enemies of heliothis armigera HB, with special reference to the larval parasite, bracon brevicornis (Hymenoptera , Braconida) 
PY  - 1977///
KW  - Helicoverpa armigera
KW  - Biological control
KW  - Braconidae
KW  - Parasites
KW  - Hymenoptera
N1  - Thesis (M.S.)--Cairo university, 1977; Includes bibliographical references (leaves 123-135); Microfiche; ASUNET; Ain Shams University; 3 Microfiches : negative
ER  -