{{short description|Species of beetle}} {{Speciesbox | image = Chrysomelidae - Luperus longicornis.JPG | image_caption = | genus = Luperus | species = longicornis | display_parents = 3 | authority = (Fabricius, 1781) | synonyms = *''Luperus betulinus'' <small>(de Joannis, 1865)</small> }}
'''''Luperus longicornis''''' is a skeletonizing leaf beetle belonging to the family Chrysomelidae, subfamily Galerucinae. The species was first described by Johan Christian Fabricius in 1781.
==Distribution== This species can be found in the whole Palearctic realm and in the Near East.
thumb|250 px|left|Female
==Description== ''Luperus longicornis'' can reach a body length of about {{cvt|4|-|5|mm}}. These beetles have black bodies and orange legs. The males generally have longer antennae than their female counterparts.
==Biology== The larvae feed on grass roots and pass winter in the larval stage, as development is completed in the spring. Adults mainly feed on leaves of willows (''Salix'' species) and birch, but also on Rosaceae species and on foliage of several trees (''Populus tremula'', ''Quercus robur'', etc.).
==External links== * [https://www.biolib.cz/en/taxon/id11919/ ''BioLib''] * [https://web.archive.org/web/20110629094922/http://www.faunaeur.org/full_results.php?id=242623 ''Fauna Europaea''] * [https://web.archive.org/web/20110723043302/http://culex.biol.uni.wroc.pl/cassidae/European%20Chrysomelidae/luperus%20longicornis.htm Culex.biol.uni.wroc.pl] * [http://www.thewcg.org.uk/chrysomelidae/0180.htm Thewcg]
{{Taxonbar |from=Q281176}}
longicornis Category:Beetles of Europe Category:Beetles described in 1781 Category:Taxa named by Johan Christian Fabricius