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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12


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Genus Isochnus

Weevil on black willow - Isochnus sequensi weevil - Isochnus sequensi tiny black beetle on Sitka Willow - Isochnus rufipes Curculionoidea ? - Isochnus sequensi Curculionoidea ? - Isochnus sequensi Weevil Beetle - Isochnus sequensi Blotch mines on weeping willow - Isochnus sequensi Blotch mines on weeping willow - Isochnus sequensi
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Curculioninae
Tribe Rhamphini (Flea Weevils)
Subtribe Rhamphina
Genus Isochnus
Explanation of Names
Isochnus Thomson 1859
Numbers
5 spp. in our area(1)
Range
holarctic(2); in NA, across the continent; 2 spp. restricted to the far north, I. goniophallus to the US Pacific Coast, I. rufipes is northern transcontinental, I. sequensi is adventive in ne. US & adjacent Canada(1)
Food
hosts: Salix, Populus (Salicaceae); larvae mine leaves(3)
Works Cited
1.First record of Orchestes fagi (L.) in North America, with a checklist of the North Amercian Rhamphini
Sweeney, J., R.S. Anderson, and R.P. Webster. 2012. The Coleopterists Bulletin, 66: 297-304.
2.A world catalogue of families and genera of Curculionoidea (Insecta: Coleoptera)
Alonso-Zarazaga M.A., Lyal C.H.C. 1999. Entomopraxis, Barcelona. 315 pp.
3.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.