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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

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Species Chrysolina quadrigemina - Klamath Weed Beetle

Klammath Weed Beetle - Chrysolina quadrigemina Flea beetles? - Chrysolina quadrigemina Flea beetles? - Chrysolina quadrigemina  Klamath Weed Beetle? - Chrysolina quadrigemina Klamath Weed Beetle - Chrysolina quadrigemina - male Beetle - Chrysolina quadrigemina - female Is this a ladybug? - Chrysolina quadrigemina Chrysolina quadrigemina
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 Chrysomeloidea (Longhorn and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Chrysomelinae
Tribe Chrysomelini
Subtribe Doryphorina
Genus Chrysolina
No Taxon (subgenus Hypericia)
Species quadrigemina (Klamath Weed Beetle)
Food
St. John's-wort or klamath weed (Hypericum perforatum L.), and other Hypericum species.
Life Cycle
Adults emerge from pupal cell in soil in the spring. One generation a year.
Remarks
Native to Europe and North Africa. Introduced from Australia in 1944 to combat Klamath weed (it could not be obtained from Europe because of World War II).