Feeding of Japanese Beetles1 on Phylloxera Galls2
- 15 November 1971
- journal article
- Published by Oxford University Press (OUP) in Annals of the Entomological Society of America
- Vol. 64 (6) , 1466-1467
- https://doi.org/10.1093/aesa/64.6.1466
Abstract
When the pecan leaf Phylloxera, Phylloxera notabilis Pergande, feeds on new spring hickory or pecan growth, a 3- to 16-mm-diam gall forms on leaves (Whitehead and Eastep 1937). The Phylloxeran (stem mother) matures within the gall and lays eggs that hatch in ca. 2 days. When the galls split in ca. 4–5 weeks the offspring escape. This type of attack causes the leaves to become malformed and weakened, and the hickory or pecan growth may defoliate prematurely.Keywords
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