Biology:Oxychalepus
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Oxychalepus is a genus of beetles belonging to the family Chrysomelidae.[1]
Species
| 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[2] | They have been recorded feeding on Centrosema macrocarpum and Cassia fruticosa.[1] |
| 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[2] | 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.[1] |
| Oxychalepus angulatus | Staines, 2010 | Argentina and Bolivia[1] | 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.[2] |
| 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[2] | They have been recorded feeding on Centrosema pubescens, Desmodium species, as well as Dioclea megacarpa.[1] |
| Oxychalepus bisignatus | Chapuis, 1877 | Argentina, Bolivia, Brazil and Ecuador[1] | 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[2] | |
| Oxychalepus centralis | Uhmann, 1940 | Bolivia, Brazil and Paraguay[1] | 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[2] | |
| Oxychalepus elongatus | Chapuis, 1877 | Brazil (Bahia), Paraguay and Venezuela[1] | 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[2] | |
| 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[2] | They have been recorded feeding on Inga affinis, Solanum auriculatum, Canavalia ensiformis, Canavalia spontanea, as well as Dioclea, Cimbosema and Phaseolus species.[1] |
| Oxychalepus insignitus | Chapuis, 1877 | Brazil (São Paulo)[1] | 10.1–10.4 mm | Adults are reddish-yellow with a black head, antennae and legs; the pronotum and elytron both have black markings[2] | |
| 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[2] | The foodplant is unknown, but adults have been collected on Cassia species.[1] |
| Oxychalepus opacicollis | Ramos, 1998 | Brazil (Amazonas), Ecuador, Peru and Trinidad[1] | 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[2] | |
| Oxychalepus paranormalis | Ramos, 1998 | Brazil[1] | 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[2] | |
| 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[2] |
They have been recorded feeding on Cassia oxyphylla, Cassia hayesiana and Cassia fruticosa.[1] |
| Oxychalepus proximus | Guérin-Méneville, 1844 | Bolivia, Brazil and Paraguay[1] | 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[2] | |
| Oxychalepus trispinosis | Pic, 1931 | French Guiana[1] | 7 mm | Black head and antennae; pronotum and elytron are orangish | The placement of this species in the genus Oxychalepus is uncertain.[2] |
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 Staines, C.L. (2012). "Hispines of the World: Tribe Chalepini". USDA/APHIS/PPQ Science and Technology and National Natural History Museum.. https://naturalhistory.si.edu/sites/default/files/media/file/chalepini2015.pdf.
- ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 Staines, C.L. (2010). "A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae).". Zootaxa (Magnolia Press) 2573: 35–56. doi:10.11646/zootaxa.2573.1.2. http://mapress.com/zootaxa/2010/f/z02573p056f.pdf. Retrieved September 4, 2025.
- ↑ "Mexican leaf beetles (Coleoptera: Megalopodidae, Orsodacnidae, and Chrysomelidae): new records and checklist" (in en). https://www.researchgate.net/publication/355382194.
Wikidata ☰ Q2200308 entry
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