Family: Apionidae

Life > Eukaryotes > Opisthokonta > Metazoa (animals) > Bilateria > Ecdysozoa > Panarthropoda > Tritocerebra > Arthopoda > Mandibulata > Atelocerata > Panhexapoda > Hexapoda > Insecta (insects) > Dicondyla > Pterygota > Metapterygota > Neoptera > Eumetabola > Holometabola > Coleoptera (beetles) > Polyphaga > Curculionoidea

Small beetles (6-8mm) with domed elytra. Rostrum (snout) varies in length and curves downward. Adults fly well and chew holes in leaf surfaces and feed on sap. Larvae develop in various parts of plants, fruit and seeds and pupate in either the plant or soil.


Cylas sp. 6-8mm. This genus includes the sweetpotato weevils, including Cylas puncticollis, Cylas brunneus andCylas formicarius. [image by M. Picker & C. Griffiths , from Field Guide to Insects of South Africa, used with permission]. 



  • Kissinger, D. G. 1968. Curculionidae subfamily Apioninae of North and Central America with reviews of the world genera of Apioninae and world subgenera of Apion Herbst (Coleoptera). South Lancaster, Mass: Taxonomic Publications.

  • Nteletsana, L, Schoeman, A.S. & McGeoch, M.A. 2001. Temperature effects on development and survival of the sweetpotato weevil, Cylas puncticollis Boheman (Coleoptera: Apionidae). African Entomology 9: 49-57.

Page by Margie Cochrane

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