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Timarcha lugens
''Timarcha lugens'' (Chrysomelidae) is a wingless leaf beetle endemic to the high mountains of the Sierra Nevada (Spain). The genus ''Timarcha'' comprises a group of herbivorous species, widely distributed in Europe, Turkey, North Africa and Western North America, which inhabit a broad range of habitats, including high mountains, humid forests and sandy coastal areas. In the Iberian Peninsula, ''Timarcha'' is represented by more than 25 species, some of them inhabiting montane regions. In the Sierra Nevada, this genus is represented by four species, although only three of them, ''T. lugens'', ''T. insparsa'' Rosenh., and ''T. marginicollis'' Rosenh., occur over 2400 m altitude. While ''T. lugens'' and ''T. insparsa'' are endemic species of the Sierra Nevada mountains, ''T. marginicollis'' is also present in other mountain ranges in southern Spain. ''T. lugens'' distribution area spans from 2400 to 3200 m a.s.l, being the most abundant chrysomelid at these high-altitudes.
== Food habits==
''Timarcha lugens'' is strictly monophagous on ''Hormathophylla spinosa'' (Brassicaceae), a stunted shrub abundant in many West Mediterranean high mountains. This beetle feeds on leaves, flower buds, flowers and fruits.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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