TY  - BOOK
AU  - Mason,Preston W.
TI  - A revision of the North American aphids of the genus Myzus
T2  - Miscellaneous publication / United States Department of Agriculture
AV  - QL523.A6 M3
PY  - 1940///
CY  - Washington, D.C.
PB  - U.S. Dept. of Agriculture
KW  - Myzus
KW  - Classification
N1  - Caption title; Contribution from Bureau of Entomology and Plant Quarantine; "The drawing ... were made by Amy Awl and H.B. Bradford."--Foot-note, p. 1; Copy 2: Amer. Ent. Soc.  QL523.A6M3; Includes index; Bibliography: p. 21-22
ER  -