(Amphibolips cookii)
Conservation • Description • Habitat • Biology • Distribution • Taxonomy
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Description |
Oak apple gall wasp occurs in the eastern United States from Maine to Minnesota south to Virginia and Iowa. It is usually identified by the gall it produces. The gall appears protruding from a leaf bud of a northern red oak or black oak. The fully developed gall is round, 7 ⁄16″ to 1″ (11 to 25 mm) in diameter, green, and moderately covered with small red spots. Each spot covers a low, rounded bump (nipple). The outer walls of the gall are moderately thick. The larval cell in the center of the gall is small. It is supported by filaments radiating in all directions from the cell to the gall walls. The gall turns brown and wrinkles when it dries. It drops off the tree in September to October. |
Size |
Gall: 7 ⁄16″ to 1″ (11 to 25 mm) in diameter |
Similar Species |
Habitat |
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Biology |
Season |
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Behavior |
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Life Cycle |
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Larva Hosts |
Northern red oak, black oak |
Adult Food |
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Distribution |
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Sources |
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3/13/2024 | ||
Occurrence |
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Taxonomy |
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Order |
Hymenoptera (ants, bees, wasps, and sawflies) |
Suborder |
Apocrita (narrow-waisted wasps, ants, and bees) |
Infraorder |
Proctotrupomorpha |
Superfamily |
Cynipoidea (gall wasps) |
Family |
Cynipidae (gall wasps) |
Subfamily |
Cynipinae |
Tribe |
Cynipini (oak gall wasps) |
Genus |
Amphibolips |
Subordinate Taxa |
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Synonyms |
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Common Names |
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oak apple gall wasp |
Glossary
Gall
An abnormal growth on a plant produced in response to an insect larva, mite, bacteria, or fungus.
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Created: 1/16/2020 Last Updated: © MinnesotaSeasons.com. All rights reserved. |