Curculio, huius curculiônis, m. g. Varro. A little worme eating corne, called a myte or weeuell.Curculione infestantur etiam fabæ & lentes. Col. Curculio significat etiam gulam. Varro. The weesill of a mans throat.
Gurgulio, Vide CVRCVLIO, nam c & g inuicem cedunt.
Lewis and Short: Latin dictionary
curcŭlĭo (gurgŭlĭo, Plaut. Trin. 4, 3, 9 Ritschl, Fleck.; Pall. 1, 19, 2; id. Jun. 3; also in some MSS. of the authors cited infra), ōnis, m. [kindr. with circulus, circus], a corn-worm, weevil, Cato, R. R. 92; Varr. R. R. 1, 57, 63; Col. 1, 6, 15 sq.; Plin. 18, 11, 73, 302; Serv. ad Verg. G. 1, 186. —B. Form gurgulio = membrum virile, Pers. 4, 38.—II. Curcŭlĭo, the name of a comedy of Plautus.