Buakea (Lepidoptera: Noctuidae), a new genus of African stem borers: morphological, ecological and molecular data
2011
Van den Berg, Johann | Moyal, P. | Le Rü, B. | Conlong, D. | Cugala, D. | Defabachew, B. | Matama-Kauma, T. | Pallangyo, B. | 12319724 - Van den Berg, Johann
A new genus of African stem borers of the subtribe Sesamiina (Lepidoptera: Noctuidae), Buakea gen. n., is described as well as the three species it includes, two new, B. venusta sp. n. and B. kaeuae sp. n., and a species that until now was placed in the genus Busseola Thurau, B. obliquifascia (Hampson) comb. n. The three species are monophagous on different graminaceous host plants, and the two sister species B. kaeaue and B. obliquifascia were collected in different ecological zones and altitudes, which suggests an ecological mode of speciation. Bayesian andmaximumlikelihood phylogenies inferred from two mitochondrial genes showed that the genus is monophyletic and does not share a recent common ancestor with the genus Busseola. 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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