Laboratory and Field Studies on the Seasonal Forms of Pear Psylla in Northern California1

Author: WONG TIM T. Y.   MADSEN HAROLD F.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.60, Iss.1, 1967-02, pp. : 163-168

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next