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Species Altica knabii

Altica knabii Blatchley - Altica knabii flea beetle emerging from dried stems (with fruit) of Oenothera villosa - Altica knabii Altica? on evening primrose - Altica knabii Altica? on evening primrose - Altica knabii Altica? on evening primrose - Altica knabii
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Longhorn and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Galerucinae (Skeletonizing Leaf Beetles and Flea Beetles)
Tribe Alticini (Flea Beetles)
No Taxon (Altica Genus Group)
Genus Altica
Species knabii (Altica knabii)
Explanation of Names
Altica knabii Blatchley 1910
patronym for Frederick Knab (1865–1918) was an artist and entomologist most noted for his oil paintings and illustrations and his work with coleopterous and dipterous insects.
3-3.5 mm(1)
e US (NY-FL to WI-TX)(2)
Occurs on low herbs in damp sandy localities(1)
larvae and adults on common evening primrose (Oenothera biennis, Onagraceae)(3)
See Also
Altica texana Schaeffer
- Range: TX
Det. E. G. Riley, 2009

From fuscoaenea this may be at once separated by the much longer, more parallel and less convex elytra, which are at the same time less shining, more strongly alutaceous and much more finely punctuate on basal half. The thorax is wider, with deeper ante-basal impression. (1)
Print References
Blatchley, W.S. 1910. An illustrated and descriptive catalogue of the Coleoptera or beetles (exclusive of Rhynchophora) known to occur in Indiana, with bibliography and descriptions of new species. The Nature Publishing Co., Indianapolis. 1385 pp.
Works Cited
1.An illustrated descriptive catalogue of the Coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana.
Blatchley, W. S. 1910. Indianapolis,Nature Pub. Co.
2.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.
3.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.