Megachile (Carinula) Michener, McGinley, & Danforth, 1994

Chatthanabun, Nontawat, Ascher, John S., Pinkaew, Nantasak, Thanoosing, Chawatat, Traiyasut, Prapun & Warrit, Natapot, 2020, Resin bees of genus Megachile, subgenera Callomegachile and Carinula (Hymenoptera, Megachilidae) from Thailand with description of a new species, ZooKeys 997, pp. 95-144 : 95

Megachile (Carinula) Michener, McGinley, & Danforth, 1994

Chalicodoma (Carinella) Pasteels, 1965: 447. Type species: Megachile torrida Smith, 1853, by original designation.

Megachile (Carinula) Michener, McGinley, & Danforth, 1994: 174, replacement for Carinella Pasteels, 1965. Type species: Megachile torrida Smith, 1853, autobasic.

Diagnosis.

Body size median to small. Female mandible four to five teeth. Clypeus with median carina. Clypeal margin crenulate with five teeth. In males, coxal spine absent, front tarsi simple and carina of T6 extremely reduced.

Comments.

Carinula is superficially similar to Callomegachile , especially striated punctures on mesoscutum and lower part of mesepisternum. Female of Carinula can be recognized by the presence of crenulate clypeal margin, whereas male can be recognized by reduced carina on T6.