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Cylas Latrreille, 1802
The genus Cylas contains more than 20 species which are found mainly in Africa. Unlike many other genera of the Brentidae they feed on plants and several species are considered pests of sweet potatoes. The adults feed on the leaves and stems whereas the larvae bore into the tubers. The economically important sweet potato weevil has been introduced into many countries.
The adults of the genus Cylas have characteristic pits on each side of the mesothorax as well as on the grooves of the head near the base of the antennae.
Type species: Cylas brunneus
Currently, the following species have been entered into the system: