Oxychalepus balyanus is a species of beetle of the family Chrysomelidae. It is found in Belize, Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico (Baja California, Guerrero, Morelos, Jalisco, Tabasco, Tamaulipas, Veracruz, Quintana Roo)Mexican leaf beetles (Coleoptera: Megalopodidae, Orsodacnidae, and Chrysomelidae): new records and checklist and Nicaragua.
Description Adults reach a length of about 6.3–8.7 mm. They have a black head, antennae and legs, while the pronotum and elytron are orangish-yellow with black markings.
Biology They have been recorded feeding on Centrosema pubescens, Desmodium species, as well as Dioclea megacarpa.
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