''Pselaphostena arnoldi'' is a

beetle Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...

in the genus ''

Pselaphostena ''Pselaphostena'' is a genus of beetles in the family Mordellidae The Mordellidae are a family of beetles commonly known as tumbling flower beetles for the typical irregular movements they make when escaping predators, or as pintail beetles du ...

'' of the family

Mordellidae The Mordellidae are a family of beetles commonly known as tumbling flower beetles for the typical irregular movements they make when escaping predators, or as pintail beetles due to their abdominal tip which aids them in performing these tumbling ...

. It was described in 1950 by Franciscolo.

References

Mordellidae Beetles described in 1950 {{Mordellidae-stub