Tampolo is in a heavily disturbed agriculturally used area. Both western localities, Kirindy and Mikea, are in dry forest. In Kirindy, the pipistrelle Hypsugo anchietae has also been recorded. The true distribution of P. raceyi is probably larger than that currently known. Nothing is known about the diet, but vespertilionid bats generally eat insects. There is very limited data on reproduction. Young are probably born near the start of the rainy season, in November–December, when food is plentiful. Six bats were caught at the roost site in Kianjavato, of which only one was a male; this led Bates and colleagues to suggest that the species may be polygynous, with groups consisting of a male and multiple females. Conservation status The IUCN Red List has assessed Pipistrellus raceyi as "Data Deficient" because of insufficient knowledge about its abundance and habitat requirements. All four known sites are near forest, but that may be a sampling artifact. Although deforestation may pose a threat, each of the collection sites has some sort of forest protection measures in place. References Literature cited Bates, P.J.J., Ratrimomanarivo, F.H., Harrison, D.L. and Goodman, S.M. 2006. A description of a new species of Pipistrellus (Chiroptera: Vespertilionidae) from Madagascar with a review of related Vespertilioninae from the island (subscription required). Acta Chiropterologica 8(2):299–324. Emmons, L.H. and Feer, F. 1997. Neotropical Rainforest Mammals: A Field Guide. 2nd ed. The University of Chicago Press, 307 pp. Goodman, S.M. 2007. An island of discoveries: Madagascar reveals a swarm of new bat species. Bats 25(2):12–14. Hill, J.E. and Harrison, D.L. 1987. The baculum in the Vespertilioninae (Chiroptera: Vespertilionidae) with a systematic review, a synopsis of Pipistrellus and Eptesicus, and the descriptions of a new genus and subgenus. Bulletin of the British Museum (Natural History), Zoology Series 52(7):225–305. Pipistrellus Mammals described in 2006 Bats of Africa Mammals of Madagascar