Isthmomys pirrensis (Goldman, 1912) . Smithson. Misc. Coll., 60(2):5.

TYPE LOCALITY: Panama, Darien, Mt. Pirri, head Rio Limon, 4500 ft. (1372 m) .

DISTRIBUTION: E. Panama; perhaps adjacent Colombia.

COMMENT: Tentatively included in flavidus by Corbet and Hill, 1980:148. Considered a distinct species by Handley, 1966, in Wenzel and Tipton, eds., Ectoparasites of Panama, pp. 753-795, Carleton, 1980:1-146, and Hall, 1981:718. Walker et al., 1975, stated that this species occurs in N. Colombia.

ISIS NUMBER: 5301410008039046001 as Peromyscus pirrensis .