Lasioptera viburnicola sp. nov.

Gall.--Gnarly, elongate swellings on the larger branches of arrow-wood (Viburnum dentatum). It is soft, pithy inside, and the larvae make long deep channels in the wood of the branch, beneath the pithy portion of the gall. Length 30 to 75 mm; width 10 to 25 mm.

Habitat: NY

The larvae overwinter and transform in the gall.

...from stem gall on Viburnum dentatum...

Viburnum
...
Swollen stems (244)...Neolasioptera viburnicola (Beutenmüller)

Galls are gnarled, 3–8 cm long, and soft-pithy inside. The orange larvae live in channels and overwinter in the galls. Host: V. dentatum. Distr.: New York, Connecticut, and Virginia.