Oncocephala senegalensis is a species of beetle of the family Chrysomelidae. It is found in Angola, Cameroon, Congo, Equatorial Guinea, Ethiopia, Gabon, Guinea-Bissau, Guinea, Nigeria, Ivory Coast, Togo, Senegal, Sierra Leone and Somalia.
Description Adults reach a length of about 4.8–5.8 mm. The head, pronotum, elytra, legs and antennae are black with a dark brownish tinge.Calcetas, O.A., Staines, C.L., Adorada, J.R., Calilung, V.J., Caoili, B.L. & Jamias, S.B. 2021. Review of the genus Oncocephala Agassiz 1846 (Coleoptera: Chrysomelidae: Cassidinae: Oncocephalini) in Africa, excluding Madagascar. Journal of Insect Biodiversity 30(1): 1–54
Life history The recorded host plant for this species is Ipomoea batatas.
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