“The close morphological affinities between the female of B. exarmata and B. peyrierasi, on the one hand, and between the male of B. exarmata and B, dentata, on the other, lead us to form the hypothesis that these taxa represent vicariant species originating from a common ancestor.”…
https://www.tandfonline.com/doi/pdf/10.1080/11250009609356129
https://www.tandfonline.com/doi/pdf/10.1080/11250009609356129
