Fiorinia externa and Tsugaspidiotus tsugae (Homoptera: Diaspididae): Distribution, Abundance, and New Hosts of Two Destructive Scale Insects of Eastern Hemlock in Connecticut

Author： McCLURE MARK S.   FERGIONE MICHAEL B.  

Publisher： Entomological Society of America

ISSN： 1938-2936

Source： Environmental Entomology, Vol.6, Iss.6, 1977-12, pp. : 807-811

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