TY  - BOOK
AU  - Lefroy, H. Maxwell
AU  - Staniland, L.N., ill.
TI  - Manual of entomology: with special reference to economic entomology
U1  - R 595.7078 21st ed.
PY  - 1923///
CY  - London
PB  - Edward Arnold
KW  - Beneficial insects-Handbooks, manuals, etc
KW  - Entomology-Handbooks, manuals, etc
N1  - Index: pp 531-41
ER  -