C. advenus, C. alleni, C. cravenensis, C. croatanensis, C. cushmani, C. dutemplei, C. excellens, C. falconensis, C. grumus, C. hodgei, C. lobatulus, C. newmanae, C. pseudoungerianus, C. pungoensis, C. reinholdi, C. reprimatus, C. roestae, C. rudolfi, C. succedens, C. vulgaris

C. aknerianus, C. americanus, C. ammalensis, C. beaumentinus, C. beaumontianus, C. bembix, C. browni, C. candei, C. choctawensis, C. complanata, C. concentricus, C. deliquatus, C. deprimus, C. elamensis, C. elmaensis, C. elmaensis, C. elmasensis, C. excavata, C. felix, C. fletcheri, C. fletcheri, C. floridana, C. floridanus, C. grossus, C. haydoni, C. howelli, C. jacksonensis, C. labatulus, C. lobatus, C. lobulatus, C. macrocephalus, C. maculatus, C. maculosa, C. mahabeti, C. martinezensis, C. matanzasensis, C. mensilla, C. midwayensis, C. minusculus, C. mississippiensis, C. mississippiensis, C. molestus, C. nammalensis, C. neelyi, C. notocenica, C. novozelandicus, C. obiraensis, C. pachyderma, C. perforatus, C. praecursorius, C. proprius, C. pseudougerinus, C. pseudoungerianus, C. pygmeus, C. reinholdi, C. sassei, C. sulzensis, C. tappanae, C. telegdi, C. temperata, C. temperatus, C. tenellus, C. tenuimago, C. thiaracuta, C. ungerianus, C. variabilis, C. voltziana, C. vortex, C. westi, C. yazooensis