Chikatunolepta n. gen. – a new genus of Saharo-Arabian Monoleptites (Coleoptera: Chrysomelidae: Galerucinae)

The genus Chikatunolepta n. gen. is proposed to accommodate yellow species of Monoleptites leaf-beetles up to now classified in the genus Nymphius Weise, 1900: Chikatunolepta buettikeri (Medvedev, 1996) n. comb. (type species), Ch. emir (Lopatin, 2006) n. comb., and Ch. millingeni (Pic, 1915) n. comb. = Nymphius artificiosus (Peyerimhoff, 1931) n. syn., = Nymphius friedmani (Lopatin, 2002) n. syn. The new genus is characterised by a pale body, large pronotum, peculiar structure of the abdomen, very long and thin aedeagus and long basimetatarsomere. Morphological characters of all included species are illustrated in detail.