Fig. 9. Micrographs of the meso/metafurca complex of female representatives of apine bees, dorsal view, anterior to the top. (a) Centris analis (Fabricius, 1804). (b) Euglossa cordata (Linnaeus, 1758). (c) Bombus pauloensis Friese, 1913. (d) Tetragonula carbonaria (Smith, 1854). (e) Apis mellifera Linnaeus, 1758. (f) Schematic representation depicting the general anatomy and relative positions of the elements of the internal morphology of mesosoma. Solid arrow indicates the meso/metafurca complex in dorsal view. Arrowheads indicate morphological conditions coded as character states. Scale bars: 0.2 mm.