A effet, result of acoustic analysis of pipistrelle bats in the south of France, it is not impossible that behind the names Pipistrellus pipistrellus or Pipistrellus pygmaeus, still lurks an undescribed species .
En effet, matokeo ya uchambuzi wa acoustic pipistrelle popo katika kusini ya Ufaransa, si vigumu kuwa nyuma ya majina Pipistrellus pipistrellus au Pipistrellus pygmaeus, bado lurks aina undescribed.