Aulacidea annulata, new species

Galls --Terminal swelling of a stem, more or less club-shaped and somewhat bent and twisted, the enlargements gradual from the stem, of greatest diameter at the summit. Averaging about 70 mm. long by 18 mm. in greatest diameter. Under the bark the plant tissue is twisted, resembling the trunk of a wind-beaten tree. Many leaf petioles or stems of flower clusters are grouped at the summit of the gall, their bases involved in the swelling. Internally the galls are filled with pith, scattered through which are many larval cells, each oval, averaging 3.5 X 2.5 mm.
Range. -- Massachusetts: Sharon.

- Alfred Kinsey: (1920) New species and synonymy of American Cynipidae^©