n African Entomology - (Lepidoptera : Noctuidae), a new genus of African stem borers : morphological, ecological and molecular data




A new genus of African stem borers of the subtribe Sesamiina (Lepidoptera: Noctuidae), gen. n., is described as well as the three species it includes, two new, sp. n. and sp. n., and a species that until now was placed in the genus Thurau, (Hampson) comb. n. The three species are monophagous on different graminaceous host plants, and the two sister species and were collected in different ecological zones and altitudes, which suggests an ecological mode of speciation. Bayesian and maximum likelihood phylogenies inferred from two mitochondrial genes showed that the genus is monophyletic and does not share a recent common ancestor with the genus . However no strongly supported phylogenetic relationship could be established with the other six genera of the subtribe included in the analysis.


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