(FMNH 115803); Cesar, near [Agustin] Codazzi, 100-300 m, O.L. Haught leg., x.1943 (FMNH 117070); Western side of Sierra Perija, 200-500 m, Haught leg. (USNM 473938); Cundinamarca, Apulo, A.A. Olsson leg., v.1935 (ANSP 166142); Jerusalem-Tocaima, Olsson, 1935 (ANSP 166146); Magdalena, S of Fundacion, A.G. Ruthven leg., ll.yiii.1913 (ANSP 333208); Rio Cesar valley, Haught leg. (USNM 534072); ?Magdalena/Bolivar, "100 miles up the Magdalena R." [25-75 m], T.R. Peale leg. (ANSP, lectotype of B. columbianus Lea); Tolima, [Guayabal,] Mendez, T. Bland leg., ex Swift (ANSP 25837; FMNH 78783); Ibidem, ex C.B. Adams (MCZ 155820); Alvarado, 310 m, O. Rangel leg., vi.1980 (ICNB 093, 0112); Ibidem, vi.1981 (ICNB 0104). Panama, Arraijan, Rio Caseres, Finca Bergeron, E.S. Bergeron leg., lO.x.1961 (FMNH 117201); Ibidem (FMNH 117542); Alhajuela, H. Pittier leg., v.1911 (USNM 515852). ?, Colombia, ex Cuming (NHMUK n.c); "Rio Hacha Guatemala" (NHMUK, lectotype of B. hachensis) [see Remarks].
Altitudinal range. The precise localities indicate a range up to ~300 m.
Ecology. Recorded from different ecoregions. Predominantly from Guajira-Barranquilla xeric scrub, and from Sinii Valley and Magdalena valley dry forests ecoregions. The actual habitat is unknown.
Remarks. ABBOTT (1955) reported on the type specimen of Bulimus columbianus Lea, which was previously thought to be lost. It appears that a wealthy donor purchased the leftovers of Peale's collection for the Academy when it went up for sale during Abbott's tenure (see also under lacteus below). The locality "Rio Hacha Guatemala" is problematic, as no related names could be found in gazetteers; there are, however, places of that name—or "Riohacha" or "Hacha"—e.g. in Panama and in Colombia (Dept. La Guajira). PILSBRY (1898 [1897-1898]: pi. 45 fig. 40) had a picture drawn from a specimen with a darker band around the umbilicus which is also visible inside the aperture, which he regarded as D. virgo. We found one lot (ANSP 333208) which he regarded as D. virgo; the type of D. columbianus does not have this characteristic. We found several lots (e.g., FMNH 78783, 115803) within which some specimens show the same colouration. According to LINARES & VERA (2012) the type locality of D. columbianus might be located between Cordoba / Magangue (Dept. Bolivar) and Plato / Santa Barbara de Pinto (Dept. Magdalena). In BREURE & ABLETT'S (2014) assessment of the type material of D. gruneri, they questioned the veracity of its type locality ("Mexico"), which was handwritten on the original label at a later date. For a discussion on the relation of D. columbianus and D. lacteus see the Remarks under the latter.