A revision of the genus Pachyrhinus Schoenherr 1823 (Coleoptera: Curculionidae) in the Nearctic region
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This paper presents a revision of the North American species of the broad nosed weevil genus Pachyrhinus (Coleoptera: Curculionidae) Schönherr, 1823, which includes eight currently recognized species. Pachyrhinus is considered a minor pest of Pinus spp. Three species of Pachyrhinus are now recognized in North America: P. elegans (Couper, 1865), P. californicus (Horn, 1876), and P. cinereus (Casey, 1888). Pachyrhinus lateralis (Casey, 1888) and P. miscix (Fall, 1901) are considered synonyms of P. elegans. Pachyrhinus crassicornis (Casey, 1888) and P. albidus (Fall, 1901) are synonyms of P. cinereus. ...