Neighbour network. NeighbourNet presenting the genetic relationship between strains of L. tropica as calculated by SplitsTree 4. Cross connections denote probable reticulation events between strains like hybridisation, recombination, or horizontal gene transfer. The Bikaner strains are circumscribed by a dotted line. Strains isolated from human VL patients from India are indicated by an asterisk. Bayesian results are indicated by colours: background colours show main populations; coloured squares, triangles and circles represent subcomponents within populations.