{{Short description|Species of beetle}} {{Speciesbox | image = | image_caption = | image2 = | image2_caption = | genus= Alurnus | species = grossus | authority = Fabricius, 1775 | synonyms ={{Specieslist |Cistela curvipes|Panzer, 1798 |Crioceris indica|Voet, 1806 |Alurnus tricolor|Olivier, 1789 |Alurnus grossus nigricans|Jacobson, 1899 }} }} '''''Alurnus grossus''''' is a species of beetle of the family Chrysomelidae. It is found in Brazil, Ecuador, French Guiana, Peru and Suriname.<ref>{{cite web |last= Staines|first= C.L.|date= 2012|title= Hispines of the World.|url= https://idtools.org/beetles/hispines/|website= |location= |publisher= USDA/APHIS/PPQ Science and Technology and National Natural History Museum.|access-date= August 26, 2025}}</ref>
==Description== Adults reach a length of about 22–33 mm. Adults have a black head and legs, while the pronotum is red with a black anterior margin. The elytron is yellow.<ref>{{cite journal |last1= Staines|first1= C.L.|last2= |first2= |date= 2013|title= A review of the genus Alurnus Fabricius, 1775 (Coleoptera: Chrysomelidae: Cassidinae).|url= https://journals.flvc.org/mundi/article/view/0291/78783|journal= Insecta Mundi|volume= 0291|issue= |publisher= Center for Systematic Entomology, Inc.|pages= 1–34|doi= |access-date= August 26, 2025}}</ref>
== References == {{reflist}}
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Category:Beetles described in 1775 Category:Alurnus Category:Taxa named by Johan Christian Fabricius Category:Beetles of Brazil Category:Beetles of Ecuador Category:Beetles of French Guiana Category:Beetles of Peru Category:Beetles of Suriname {{Cassidinae-stub}}