Vitacea scepsiformis

(Edwards, 1881)

Lesser Grape Root Borer Moth

Vitacea scepsiformis, the lesser , is a in the . It occurs across eastern and central North America, where its develop as root borers in grapevines (Vitis ). are active from mid-summer through early autumn and are mimics in appearance. The species is smaller than the related grape root borer () and generally considered less economically damaging.

Pronunciation

How to pronounce Vitacea scepsiformis: /vɪˈtæs.iə skɛp.sɪˈfɔr.mɪs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

have a wingspan of approximately 23 mm. They exhibit typical sesiid with reduced scaling that creates transparent areas, giving a -like appearance. Distinguished from the larger (, wingspan ~25-30 mm) by smaller size and more northerly distribution. Both share the characteristic narrow wasp-waisted body form and -orange and dark coloration typical of sesiid wasp mimics.

Habitat

Associated with vineyards and wild . occur underground, feeding within the roots of grape plants. are found in and around grape-growing areas.

Distribution

North America, from New York south to Florida and west to Texas, Kansas, and Missouri.

Seasonality

are on from July to October.

Diet

feed in the roots of Vitis ().

Host Associations

  • Vitis - larval feed in roots

Human Relevance

A minor pest of cultivated . Less damaging than ; feed in roots but and individual size generally result in reduced economic impact compared to the greater .

Similar Taxa

  • Vitacea polistiformisLarger congeneric with similar biology and use; distinguished by larger size (wingspan ~25-30 mm vs. ~23 mm) and more southern distribution

Tags

Sources and further reading