Neischnocolus Petrunkevitch, 1925

Diagnosis. Neischnocolus males differ from other Theraphosinae genera by the presence of one or two subconical processes on the retrolateral surface of the male palpal tibia (Figs 2D, 4D). Females differ from all other theraphosines by their spermathecae with paired ventral receptacles attached to a semi-circular to rectangular, sclerotized basal atrium. (Figs 7D, 10D). (Pérez-Miles et al. 2008; Pérez-Miles et al. 2019; Kaderka 2020).

Distribution. Panama, Costa Rica, Colombia, Venezuela, Ecuador, Brazil and Peru.

Composition. Neischnocolus amazonica (Jimenez & Bertani, 2008), N. armihuariensis (Kaderka, 2014), N. ballerioi sp. nov., N. canosita sp. nov., N. caxiuana (Pérez-Miles, et al. 2008), N.cisnerosi Peñaherrera-R. et al. 2023, N. iquitos Kaderka, 2020, N. mecana Echeverri et al. 2023, N. obscurus (Ausserer, 1875), N. pampenita sp. nov., N. panamanus Petrunkevitch, 1925, N. pijaos (Jimenez & Bertani, 2008), N. ruffoi sp. nov., N. tsere Peñaherrera-R. et al. 2023, N. valentinae (Almeida, et al., 2019), N. weinmanni (Pérez-Miles, 2008) and N. yupanquii (Pérez-Miles, Gabriel & Gallon, 2008) .