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The beech blight aphid (Grylloprociphilus imbricator) is a small insect in the order Hemiptera that feed primarily on the sap of American beech trees. The aphids form dense colonies on small branches and the undersides of leaves.
When a cyclical parthenogenesis occurs, aphids reproduce sexually in the autumn and produce an overwintering egg, deposited on buds and bark crevices of the host plant. In spring the newly hatched nymphs develop in about two to three weeks and at least three molts to wingless, 2–3 mm large Fundatrix.
Woolly aphids on crab apple bark. Pemphigus gall on cottonwood tree Grylloprociphilus imbricator on Fagus Galls made by Melaphis rhois. Woolly aphids (subfamily: Eriosomatinae) are sap-sucking insects that produce a filamentous waxy white covering which resembles cotton or wool. The adults are winged and move to new locations where they lay egg ...
Hemlock woolly adelgids, beech leaf disease and the emerald ash borer. Hemlock woolly adelgid are an aphid-like insect from Japan that targets its namesake tree, forming cotton-like masses on the ...
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Aphids can also transmit viruses and allow sooty mold to take hold. When the population becomes too large, an aphid might grow wings and fly away to find a fresh host plant.
Phyllaphis fagi Richards, 1973 c g b (woolly beech aphid) Phyllaphis fagifoliae Takahashi, R., 1919 c g; Phyllaphis grandifoliae Richards, 1973 c g b (woolly beech aphid) Phyllaphis nigra Ashmead, 1881 c g; Data sources: i = ITIS, [5] c = Catalogue of Life, [1] g = GBIF, [2] b = Bugguide.net [3]
Grylloprociphilus is a genus of woolly and gall-making aphids in the family Aphididae. ... G. imbricator feeds on American beech. [5] References
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