Hylobius radicis

Buchanan, 1935

Pine Root Collar Weevil

Hylobius radicis is a pine weevil in the Curculionidae, described by Buchanan in 1935. serve as for the endoparasitic Microctonus pachylobii, with field studies documenting rates of 8.5%. loads show seasonal variation, with higher rates observed in April–June compared to August–September.

Pronunciation

How to pronounce Hylobius radicis: /haɪˈloʊbiəs ræˈdaɪsɪs/

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Distribution

North America; confirmed records from Manitoba, Ontario, and Québec, Canada.

Seasonality

have been collected in April–June and August–September; rates by Microctonus pachylobii are higher in spring (April–June) than late summer (August–September).

Host Associations

  • Microctonus pachylobii - New record; 8.5% rate in field collections

Similar Taxa

  • Hylobius abietisCongeneric pine weevil; H. radicis distinguished by association with root collar damage and specific geographic distribution
  • Hylobius palesCongeneric with overlapping North American range; morphological differences in rostrum and body proportions require examination

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