Occasional on Eucarya hickories and found once on bitternut of Apocarya section, occurs singly or in small groups; attached to side of vein on lower leaf surface; 6.0-8.0 mm in length, recumbent, base lobed across attachment to vein but not bulbous, gradually narrowing along length to pointed apex; green, yellow, to tan, hairless; base of gall with central conical pedicel in shallow, circular indentation; wall firm, brittle, uniformly thin, larval chamber glabrous with longitudinal ridges following gall axis from leaf vein connection to apex.
Carya | cordiformis, floridana, glabra, laciniosa, myristiciformis, ovata, pallida, texana, tomentosa |
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Texture | hairless |
Alignment | leaning, supine |
Detachable | yes |
Location | leaf midrib, leaf veins (including midrib), lower leaf |
Walls | thin |