On leaf, underside, generally large, sub-globular galls. Younger
ones appear like older, both often being found on same leaflet, 4-7
mm. diameter. Galls covered with a fine short yellowish to reddish
pubescence, suggesting the texture of peach “bloom.” Walls very thick,
firm fleshy, surrounding the central spherical cavity, pierced,
however, at the distal end by the fine apical canal. Closely sessile
on leaf, generally at side of principal vein. Collected on _H. alba_,
_glabra_ and _ovata_.
From Felt’s short description, _Caryomyia antennata_ Felt, must have
been taken from a similar gall.
Osten Sacken, Lowe’s Mono. Dip. N. Am. Pt. I. p. 193. 1862.
Beutenmuller, Am. Mus. Nat. Hist. Bull. 23:393. 1907.