''Crowsoniella'' is a genus of
beetle
Beetles are insects that form the Taxonomic rank, order Coleoptera (), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 40 ...
s in the order
Archostemata
The Archostemata are the smallest suborder of beetles, consisting of 50 living species in five families and over 200 described fossil species. They are an ancient lineage with a number of primitive characteristics. Antenna (biology), Antennae may ...
. It contains only a single species, ''Crowsoniella relicta'', and is the only member of the
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...
family Crowsoniellidae. It is known only from three male specimens collected in 1973 in the
Lepini mountains
The Monti Lepini (Italian: Lepini mountains) are a mountain range which belongs to the Anti-Apennines of the Lazio region of central Italy, between the two provinces of Latina and Rome.
The range borders to the north with the Colli Albani, to th ...
of central Italy by