Timarcha

thumb|Timarcha goettingensis 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 g Timarcha cerdo Stål, 1863 i c g Timarcha cornuta Bechyné, 1944 g Timarcha cyanescens Fairmaire, 1862 g Timarcha coarcticollis Fairmaire, 1873 g Timarcha daillei Laboissière, 1939 g Timarcha goettingensis (Linnaeus, 1758) g Timarcha insparsa Timarcha interstitialis Fairmaire, 1862 g Timarcha intricata Haldeman, 1853 i c g b Timarcha italica Herrich-Schäffer, 1838 g Timarcha lugens Timarcha marginicollis Timarcha maritima Perris, 1855 g Timarcha metallica (Laicharting, 1781) g Timarcha monticola Dufour, 1851 g Timarcha nicaeensis A.Villa & G.B.Villa, 1835 g Timarcha obsoleta Laboissière, 1937 g Timarcha recticollis Fairmaire, 1862 g Timarcha sardea (Villa, 1835) g Timarcha sinuatocollis Fairmaire, 1862 g Timarcha strangulata Fairmaire, 1862 g Timarcha temperei Jeanne, 1965 g Timarcha tenebricosa (Fabricius, 1775) g (Bloody-nosed beetle)