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Genus Timarcha

Timarcha sp. - Timarcha intricata round black beetle - Timarcha intricata round black beetle - Timarcha intricata Beetle - Timarcha intricata Timarcha intricata .. - Timarcha intricata Timarcha intricata .. - Timarcha intricata Timarcha Oregon - Timarcha Timarcha Oregon - Timarcha
Classification
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 Chrysomelinae
Genus Timarcha
Explanation of Names
Timarcha Latreille 1829
Numbers
2 spp. in our area (both in the nearctic subg. Americanotimarcha Jolivet 1948)(1), ~70 spp. in 4 subgenera total(2)
Identification
flightless, rather tenebrionid-like beetles(1)
Range
mostly Mediterranean; in our area, w. NA (BC‒CA‒MT)(1)
Food
hosts: Rosaceae, Ericaceae(1); West Coast species feed on tender leaves of strawberry and bramble bushes(3)
Remarks
The size/color/punctation characters reported to distinguish the 2 spp. recognized in our area "are so variable and overlapping that I sometimes doubt that there is more than [one] species [...] Very dark color and less coarse punctation is supposedly characteristic of T. intricata." ‒S.M. Clark, pers. comm. to =v=, 11.viii.2010
sole member of the tribe Timarchini Motschulsky 1860
Works Cited
1.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.
2.BioLib.cz
3.Interrelationship Between Insects and Plants
Pierre Jolivet. 1998. CRC Press.