''Timarcha'' is a genus of

leaf beetle The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 (and probably at least 50,000) species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle ...

s in the family

Chrysomelidae The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 (and probably at least 50,000) species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle ...

, with more than 100 described species in three subgenera. The most widely known species is ''T. tenebricosa'', the

bloody-nosed beetle The bloody-nosed beetle (''Timarcha tenebricosa''), also called blood spewer or blood-spewing beetle, is a leaf beetle native to Europe. Description ''T. tenebricosa'' measures 15–20 mm in length, is blue-black in colour and is both ...

. All species are black, wingless organisms. ''Timarcha'' are herbivorous species, living mostly on plants belonging to

Rubiaceae The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules ...

and

Plumbaginaceae Plumbaginaceae is a family of flowering plants, with a cosmopolitan distribution. The family is sometimes referred to as the leadwort family or the plumbago family. Most species in this family are perennial herbaceous plants, but a few grow as ...

, although a few can feed on

Brassicaceae Brassicaceae () or (the older) Cruciferae () is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, while some are shrubs. The le ...

and

Rosaceae Rosaceae (), the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera. The name is derived from the type genus ''Rosa''. Among the most species-rich genera are ''Alchemilla'' (270), ''Sorbus ...

. ''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 ''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. ...

'' 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 ''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. ...

'' (Laicharting, 1781)^g * ''

Timarcha monticola ''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. ...

'' Dufour, 1851^g * ''

Timarcha nicaeensis ''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. ...

'' A.Villa & G.B.Villa, 1835^g * ''

Timarcha obsoleta ''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. ...

'' 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 ''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 ...

'' (Fabricius, 1775)^g (Bloody-nosed beetle) Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net

References

External links

*
List of 111 species
* Wingless beetles Chrysomelinae Chrysomelidae genera Taxa named by George Samouelle {{Chrysomelinae-stub