Abstract
The genus Sulabanus gen. nov. is described from Sulawesi and it is placed in the tribe Metriorrhynchini, and a close relationships with Metriorrhynchus Gemminger & Harold, 1869 is suggested. Twenty–five species are recognized, of which 24 are described as new: S. ambangensis sp. nov., S. amporiwensis sp. nov., S. barclayi sp. nov., S. brancuccii sp. nov., S. brunneus sp. nov., S. cordatus sp. nov., S. dumongabonensis sp. nov., S. gracilis sp. nov., S. katarinae sp. nov., S. lalui sp. nov., S. lineatus sp. nov., S. mamasensis sp. nov., S. major sp. nov., S. minor sp. nov., S. nigricordatus sp. nov., S. niger sp. nov., S. ocularis sp. nov., S. pendolensis sp. nov., S. robustus sp. nov., S. rufomarginatus sp. nov., S. similis sp. nov., S. tenggahensis sp. nov., S. ulci sp. nov., and S. utarensis sp. nov. Xylobanus nigricolor Pic, 1922 is transferred to Sulabanus gen. nov. and redescribed. The species of Sulabanus are classified in five species groups based on the shape of male genitalia and these groups are described with important diagnostic characters illustrated. A species identification key for males is provided. The ecology, zoogeography, evolution and mimicry of Sulabanus gen. nov. are discussed. The high degree of external similarity among distantly related species from several lycid genera in Sulawesi suggests evolution of Müllerian mimicry.References
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