Branchiobaetis javanicus comb. nov., subimagines a–g female subimaginal exuviae a foreleg, anterior view b fore femur, posterior view c, d base of fore tibia, anterior and posterior view e middle tibia f left mesopleuron with prealar and postsubalar sclerites g right part of mesonotum h middle tarsus of male subimago. Arrows show apex of patella-tibial suture.