| Oxychalepus | |
|---|---|
 | |
| Oxychalepus normalis by C.L. Staines | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Polyphaga |
| Infraorder: | Cucujiformia |
| Family: | Chrysomelidae |
| Subfamily: | Cassidinae |
| Tribe: | Chalepini |
| Genus: | Oxychalepus Uhmann, 1937 [1] |
Oxychalepus is a genus of beetles belonging to the family Chrysomelidae. [2]
| Species | Described by | Habitats | Length (adults) | Appearance | Notes |
|---|---|---|---|---|---|
| Oxychalepus alienus | Baly, 1885 | Colombia, Costa Rica, El Salvador, Honduras, Mexico, Nicaragua, Panama and Venezuela | 7.6–9 mm | Yellowish, with a black head, antennae and legs; both the pronotum and elytron have black markings [1] | They have been recorded feeding on Centrosema macrocarpum and Cassia fruticosa . [2] |
| Oxychalepus anchora | Chapuis, 1877 | Argentina, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Trinidad and Venezuela | 7.4–9.2 mm | Black head and antennae, while the pronotum is yellow with a medial black band and two black lateral bands; the elytron is orangish-yellow with a black anchor-like marking [1] | They have been recorded feeding on Canavalia ensiformis , Canavalia spontanea , Cymbosema species, as well as Solanum auriculatum , Calopogonium mucunoides , Phaseolus vulgaris , Phaseolus lunatus , Glycine max and Mucuna mutesiana . [2] |
| Oxychalepus angulatus | Staines, 2010 | Argentina and Bolivia [2] | 10.9–11.1 mm | Black head, antennae and legs, while the pronotum and elytron are orangish-yellow with black markings | The species name is derived from Latin angulus (meaning corner or angle) and refers to the distinctly angulate lateral margin of the pronotum. [1] |
| Oxychalepus balyanus | Weise, 1911 | Belize, Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico (Baja California, Guerrero, Morelos, Jalisco, Tabasco, Tamaulipas, Veracruz, Quintana Roo) [3] and Nicaragua | 6.3–8.7 mm | Black head, antennae and legs, while the pronotum and elytron are orangish-yellow with black markings [1] | They have been recorded feeding on Centrosema pubescens , Desmodium species, as well as Dioclea megacarpa . [2] |
| Oxychalepus bisignatus | Chapuis, 1877 | Argentina, Bolivia, Brazil and Ecuador [2] | 6–8.6 mm | Black head and legs; the pronotum has a spot on the anterior margin and two reddish triangular markings; the elytron is black with two yellow bands, united by a discal band [1] | |
| Oxychalepus centralis | Uhmann, 1940 | Bolivia, Brazil and Paraguay [2] | 7–9 mm | They have a black head, while the pronotum is orange with a large black medial spot. The elytron is orange with the apical one-fourth black and an anchor-like marking [1] | |
| Oxychalepus elongatus | Chapuis, 1877 | Brazil (Bahia), Paraguay and Venezuela [2] | 9.5–10.4 mm | They have a black head, while the pronotum is orange with three black vittae. The elytron is orange with the apical one-fourth black and a black sutural vitta and spot [1] | |
| Oxychalepus externus | Chapuis, 1877 | Argentina, Bolivia, Brazil (Rio de Janeiro, São Paulo), Colombia, French Guiana, Paraguay, Peru, Suriname and Venezuela | 6.1–9.6 mm | They have a black head and antennae, while the pronotum is yellow, with a black medial band and two black lateral bands. The elytron is black, with a yellow oval spot and a yellow postmedial band [1] | They have been recorded feeding on Inga affinis , Solanum auriculatum , Canavalia ensiformis , Canavalia spontanea , as well as Dioclea , Cimbosema and Phaseolus species. [2] |
| Oxychalepus insignitus | Chapuis, 1877 | Brazil (São Paulo) [2] | 10.1–10.4 mm | Adults are reddish-yellow with a black head, antennae and legs; the pronotum and elytron both have black markings [1] | |
| Oxychalepus normalis | Chapuis, 1877 | Brazil, Costa Rica, Mexico, Panama and Venezuela | 8.7–10.5 mm | Adults are yellowish-red with a black head and antennae; the lateral margins of the pronotum are black and the elytron is yellowish-red with the suture at the base darker [1] | The foodplant is unknown, but adults have been collected on Cassia species. [2] |
| Oxychalepus opacicollis | Ramos, 1998 | Brazil (Amazonas), Ecuador, Peru and Trinidad [2] | 6.5–8.3 mm | Orangish pronotum with a black medial stripe and lateral margins; the apical one-fourth of the elytron is black and there are anchor-shaped black markings in the basal area [1] | |
| Oxychalepus paranormalis | Ramos, 1998 | Brazil [2] | 9.1–10.4 mm | Orangish pronotum with one medial and two lateral black stripes; the apical one-fourth of the elytron is black and there is an anchor-shaped black marking in the basal area [1] | |
| Oxychalepus posticatus | Baly, 1885 | Brazil, Costa Rica, Nicaragua and Panama | 10–11.6 mm | Black antennae and legs; head is also black, but with an orangish spot; the pronotum is orangish with a black medial vitta and the elytron is orangish with basal black sutural vitta; the apical one-fourth is also black [1] | They have been recorded feeding on Cassia oxyphylla , Cassia hayesiana and Cassia fruticosa . [2] |
| Oxychalepus proximus | Guérin-Méneville, 1844 | Bolivia, Brazil and Paraguay [2] | 8–10 mm | Black head, antennae and legs; the pronotum is yellowish with three black stripes and the elytron has a black anchor-shaped marking [1] | |
| Oxychalepus trispinosis | Pic, 1931 | French Guiana [2] | 7 mm | Black head and antennae; pronotum and elytron are orangish | The placement of this species in the genus Oxychalepus is uncertain. [1] |