Distribution in Tamaulipas.—Tropical part of state, presently known only from two localities.
For taxonomic remarks concerning this bat see Hall and Alvarez (1961:72).
Records of occurrence.—Specimens examined, 5, from 8 km. W, 10 km. N El Encino, 400 ft.
Additional record: Cave in canyon of Río Boquillas, 8 km. SW Chamal (Goodwin, 1954:6).
Pipistrellus subflavus subflavus (F. Cuvier)
Eastern Pipistrelle
1832. V[espertilio]. subflavus F. Cuvier, Nouv. Ann. Mus. Hist. Nat. Paris, 1:17, type locality restricted to 3 mi. SW Riceboro, Liberty Co., Georgia, by W. H. Davis, Jour. Mamm., 40:522, November 20, 1959.
1897. Pipistrellus subflavus, Miller, N. Amer. Fauna, 13:90, October 16.
Distribution in Tamaulipas.—Presently known only from three localities, but probably occurs in most of eastern part of state.
Specimens examined are intermediate in color and measurements between Pipistrellus subflavus subflavus and P. s. veraecrucis, but the color resembles that of individuals of subflavus from Kansas more than that of specimens of veraecrucis from Las Vigas, Veracruz.
The two males from eight kilometers west and 10 kilometers north of El Encino represent the southernmost record of the subspecies.