Timarcha
Timarcha is a genus of leaf beetles in the family Chrysomelidae, with more than 100 described species in three subgenera. The most widely known species is T. tenebricosa, the bloody-nosed beetle. All species are black, wingless organisms. Timarcha are herbivorous species, living mostly on plants belonging to Rubiaceae and Plumbaginaceae, although a few can feed on Brassicaceae and Rosaceae. Timarcha is the only member of the tribe Timarchini.
Species
These 20 species belong to the genus Timarcha:Timarcha affinis Laboissière, 1937 gTimarcha cerdo Stål, 1863 i c gTimarcha cornuta Bechyné, 1944 gTimarcha cyanescens Fairmaire, 1862 gTimarcha coarcticollis Fairmaire, 1873 gTimarcha daillei Laboissière, 1939 gTimarcha goettingensis gTimarcha insparsaTimarcha interstitialis Fairmaire, 1862 gTimarcha intricata Haldeman, 1853 i c g bTimarcha italica Herrich-Schäffer, 1838 gTimarcha lugensTimarcha marginicollisTimarcha maritima Perris, 1855 gTimarcha metallica gTimarcha monticola Dufour, 1851 gTimarcha nicaeensis A.Villa & G.B.Villa, 1835 gTimarcha obsoleta Laboissière, 1937 gTimarcha recticollis Fairmaire, 1862 gTimarcha sardea gTimarcha sinuatocollis Fairmaire, 1862 gTimarcha strangulata Fairmaire, 1862 gTimarcha temperei Jeanne, 1965 gTimarcha tenebricosa gData sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net