{{Short description|Species of beetle}} {{Speciesbox | image = | image_caption = | image2 = | image2_caption = | genus= Alurnus | species = batesii | authority = Baly, 1864 | synonyms = *''Alurnus batesi triangularis'' <small>Jacobson, 1899</small> }} '''''Alurnus batesii''''' is a species of beetle of the family Chrysomelidae. It is found in Brazil (Amazonas), Ecuador and Peru.<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 22–25 mm. Adults have a black head and legs, while the pronotum is red. The elytron is yellow with three black spots.<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}}
{{Taxonbar|from=Q2290129}} Category:Taxa named by Joseph Sugar Baly Category:Beetles described in 1864 Category:Alurnus Category:Beetles of Brazil Category:Beetles of Peru Category:Beetles of Ecuador {{Cassidinae-stub}}