Distribution in Nebraska.—"Entire state, fairly common during migrations but probably not breeding within our limits" (Swenk, 1908:138).
Records of occurrence.—Specimens examined, 2, as follows: Clay Co.: Inland, 1 (Hastings Museum, Hastings, Nebraska). Franklin Co.: Campbell, 1 (Hastings Museum, Hastings, Nebraska).
Additional records (Swenk, 1908:138): Cuming Co.: West Point. Douglas Co.: Omaha. Lancaster Co.: Lincoln. County undesignated: "Platte River".
Pipistrellus subflavus subflavus (F. Cuvier)
Eastern Pipistrelle
V[espertilio]. subflavus F. Cuvier, Nouv. Ann. Mus. Hist. Nat. Paris, 1:17, 1832, type from eastern United States, probably Georgia.
Pipistrellus subflavus, Miller, N. Amer. Fauna, 13:90, October 16, 1897.
Distribution in Nebraska.—Known from limestone quarries in Cass and Sarpy counties; probably ranging throughout eastern Nebraska.
Records of occurrence.—Specimens examined, 34, as follows: Cass Co.: 1 mi. NE Louisville, 4. Sarpy Co.: 1/2 mi. W Meadow, 30 (some of these specimens have been deposited in other collections as follows: Private Collection of P. H. Krutzsch, 3; Private Collection of W. G. Frum, 2; Univ. Kansas Mus. Nat. Hist., 4; Univ. Nebr. State Mus., 4).
Remarks.—This bat is the most common of the four species that are known to inhabit the quarries in Cass and Sarpy counties. Individuals have been found both in drill holes and clinging to the walls of the quarries. We have always found this bat to be solitary while in hibernation.