encircled by part_of part of part of adjacent to adjacent to fore leg protibia tarsus protibio-protarsal conjunctiva protarsus The cuticle of the segment of the leg that is composed of protarsomeres connected to each other by intertarsomeral conjunctiva. The first protarsomere is connected to the distal margin of the protibia by the protibio-protarsal conjunctiva. cuticle of protarsus distal margin