Caryomyia echinata Gagne, new species

Hosts: Carya tomentosa, ovata, pallida, texana

Gall (Figs. 14, 152-153): Rare, on Eucarya hickories west of the Appalachian Mts; on lower leaf surface, between veins; length 2.4-5.0 mm, spheroidal at base, tapering abruptly to long, narrow neck, 2-4 parted apically; covered with long, stiff, brown hairs mixed with short, soft brown hairs, surface obscured; base with circular, shallow, central depression; larval chamber basal, ovoid, white to violet, remainder of gall made up of green tissue turning brown and woody; a bundle of fibers present between larval chamber and gall apex. See under C. inclinata for similar species. This gall is the only woody Caryomyia gall that is covered with very long, stiff hairs and occurs between instead of on veins.

Range: AR, IL, MS, MO, OH, TX, Ontario