Deltochilum (Deltochilum) tumidum Howden, 1966

(Figs. 11–12)

Howden 1966: 738 original description (combination: Deltochilum (Deltochilum) tumidum) Deloya & Morón 1994: 28 distribution, ecology (combination: Deltochilum tumidum) Deloya et al. 1995: 11 faunistic (combination: Deltochilum tumidum)

Deloya 1996: 43 faunistic (combination: Deltochilum tumidum)

Deloya 2003: 266 faunistic (combination: Deltochilum tumidum)

Type locality. Mexico, Sinalao, 5 miles north Mazatlán, 27.vii.1964, at black light, Chemsak, Howden & Powell, (CNC No. 9146).

Distribution. Mexico.

Material examined (7 males, 1 female). MEXICO: ESTADO DE MÉXICO, Tejupilco de Hidalgo [to] Temascaltepec de González, (18°58'N, 100°4'W), vi.1933, coll. H.E. Hinton & R.L. Usinger - 2 males (including 2 paratypes) (CMNC, CNC); SINALOA, 26 mi. NE Villa Unión, elev. 305 m (23°29'N, 106°10'W), 17.viii.1963, coll. E. Sleeper, W. Agnew, G. Noonan & P. Sullivan - 1 female (paratype) (CNC); 5 mi. N Mazatlán, (23°21'N, 106°25'W), 27.vii.1964, coll. H.F. Howden, Chemsak & Powell - 1 male (holotype) (CNC); Rio Piaxtla, 29.vi.1962, coll. [anonymous] - 1 male (paratype) (CNC); Villa Unión, elev. 700 m (23°12'N, 106°14'W), vii.1968, coll. A. Martínez - 3 males (CMNC).

Remarks. Separated from other species by the shape of the parameres (Figs. 11–12) and the strongly reduced and blunt 7th interstrial carina.