TY  - JA
AU  - Frazer,B.D.
AU  - Gilbert,N.
TI  - Coccinellids and aphids:  a quantitative study of the impact of adult ladybirds (Coleoptera: Coccinellidae) preying on field populations of pea aphids (Homoptera: Aphididae)
U1  - 77-199761 
PY  - 1976///
KW  - Pests of plants
N1  - 20 ref., 14 fig
T2  - Journal of the Entomological Society of British Columbia (Canada). (1976). v. 73 p. 33-56
ER  -