Megachile (Callomegachile) umbripennis Smith, 1853 (BSRU AA-3654, BSRU AA-3662 and KKIC-02), male a dorsal view b lateral view c frontal view d clypeus and mandible e dorsal view of mesoscutum f T6 g ventral view of metasomal sterna showing scopa dorsal view of metasomal sterna h dorsal view of S8 i S5 j T7 k dorsal (left) and ventral (right) views of penis.

  Part of: Chatthanabun N, Ascher JS, Pinkaew N, Thanoosing C, Traiyasut P, Warrit N (2020) Resin bees of genus Megachile, subgenera Callomegachile and Carinula (Hymenoptera, Megachilidae) from Thailand with description of a new species. ZooKeys 997: 95-144.