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For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

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

Previous events


Genus Baliosus

beetle - Baliosus nervosus Baliosus ferrugineus or californicus - Baliosus Baliosus nervosus - female Baliosus nervosus Basswood Leaf Miner? - Baliosus nervosus small beetle? - Baliosus nervosus Fenusa ulmi? - Baliosus nervosus Little Red Beetle - Baliosus nervosus
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 Chrysomeloidea (Longhorn and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Cassidinae (Tortoise Beetles and the Hispines)
Tribe Chalepini
Genus Baliosus
Explanation of Names
Baliosus Weise 1905
4 spp. in our area, ~50 total(1)(2)
neotropical group ranging north to se. Canada(1)(2):
B. nervosus - e. NA (NS-ON-MN-SD to FL-TX-AZ)
B. californicus - AZ-CA-OR
B. ferrugineus - AZ
B. randia - s. TX