Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Aphthona

Chrysomelid - Aphthona 6014459 Aphthona - Aphthona Beetle - Aphthona lacertosa - female Chrysomelidae - Aphthona Beetle - Aphthona Beetles - Aphthona Beetle - Aphthona nigriscutis beetle - Aphthona
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 (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Galerucinae (Skeletonizing Leaf Beetles and Flea Beetles)
Tribe Alticini (Flea Beetles)
No Taxon (Longitarsus Genus Group)
Genus Aphthona
Explanation of Names
Aphthona Chevrolat in Dejean 1836
Numbers
6 introduced spp., five established, in our area* (1), ~300 spp. worldwide(2)
*A. flava Guillebeau, A. cyparissiae Koch, A. abdominalis Duftschmid, A. nigriscutis Foudras, A. czwalinae Weise, A. lacertosa Rosenheim
Size
2-4 mm
Identification
key to our spp. in(3); habitus photos
Range
Native to Eastern hemisphere; in our area, the introduced spp. found across Canada & n. US(4) (were released in the Great Plains)
Habitat
Leafy spurge-infested grasslands (Weeden et al. 2009); larvae subterranean, on roots(4)
Food
hosts: in our area, Euphorbia spp.(5); globally, a wide variety of plants(2); A. lacertosa appears restricted to Euphorbia (Esula) spp. (Weeden et al. 2009)
Remarks
Several species imported in NA to combat invasive Euphorbia spp.(4)
Print References
Roehrdanz R., Olson D., Fauske G., Bourchier R., Cortilet A., Sears S. (2009) New DNA markers reveal presence of Aphthona species (Coleoptera: Chrysomelidae) believed to have failed to establish after release into leafy spurge. Biological Control 49: 1–5 (Full text)
Internet References
Washington State U.. Integrated Weed Control Project
Works Cited
1.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.
2.[Online] Guide to Palearctic flea beetle genera, by Alexander S. Konstantinov and Natalia J. Vanderberg
3.Identification keys for Aphthona flea beetles (Coleoptera: Chrysomelidae) introduced in Canada for the control of spurge...
LeSage L., Paquin P. 1996. The Canadian Entomologist 128(4): 593-603.
4.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.
5.Host plants of leaf beetle species occurring in the United States and Canada
Clark et al. 2004. Coleopterists Society, Special Publication no. 2, 476 pp.