TY  - BOOK
AU  - ASHWANI Kumar
TI  - Bio-ecology of few important aphidophagous syrphid flies (Diptera syrphidae)
U1  - 595.77 A81B 
PY  - 1986///
PB  - Ludhiana
KW  - DIPTERA
KW  - INSECT CONTROL -- BIOLOGICAL CONTROL
KW  - PLANT -- LICE -- CONTROL
KW  - SYRPHID FLIES
ER  -