Cylindrocopturus
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Cylindrocopturus deleoni
Cylindrocopturus deleoni is a species of weevil in the family Curculionidae, first described by Buchanan in 1940. It belongs to the genus Cylindrocopturus, which includes several species associated with sunflower and other Asteraceae hosts. The species is recorded from western North America, specifically Alberta and British Columbia in Canada. Like other members of its genus, it is likely a stem-boring weevil with larvae that develop within host plant stems.
Cylindrocopturus nubilatus
Cylindrocopturus nubilatus is a species of weevil in the family Curculionidae. It belongs to a genus containing several species associated with sunflowers and related plants. The genus Cylindrocopturus includes the well-documented sunflower stem weevil C. adspersus, a significant agricultural pest, but specific information on C. nubilatus remains limited. Observations of this species are sparse, with only four records documented on iNaturalist.
Cylindrocopturus tetralobus
Cylindrocopturus tetralobus is a species of weevil in the family Curculionidae, described by Champion in 1906. The genus Cylindrocopturus includes species associated with sunflowers and related plants, though specific ecological details for C. tetralobus remain undocumented in available sources. The species is provisionally accepted in taxonomic databases with minimal published information on its biology or distribution.
Cylindrocopturus undescribed-nr-princeps
An undescribed species in the genus Cylindrocopturus, closely related to C. princeps. Members of this genus are weevils in the family Curculionidae, characterized by cylindrical body forms and association with coniferous hosts. This taxon represents a distinct lineage currently recognized through morphological or molecular differentiation from described species, but awaiting formal taxonomic description.