Beccari's Sheath-tailed Bat is a small bat of New Guinea's forests. In West Sepik Province, Papua New Guinea, researchers collected multiple individuals from limestone caves.
The West Sepik survey's species table lists a body mass of about 4–5 g.
The survey classifies it as a flying forest bat that eats insects. Researchers collected 24 individuals from a limestone cave at about 1,300 m and six more from another cave at about 1,340 m.
An extinction-risk assessment has not been added yet.