TY - BOOK AU - Das,B.C. AU - Raychaudhari,D.N. TI - Aphids (homopetra : aphididae) of Nepal U1 - 595.752 PY - 1983/// CY - Calcutta PB - Zooligical Survey of India KW - Insect-plant relationships KW - Trees KW - Diseases and pests KW - Insect societies ER -