''Amaradix bitterrootensis'' is a species of

flea Flea, the common name for the order (biology), order Siphonaptera, includes 2,500 species of small flightless insects that live as external parasites of mammals and birds. Fleas live by hematophagy, ingesting the blood of their hosts. Adult f ...

in the family

Ceratophyllidae Ceratophyllidae is a family of fleas. Its members are parasites of mainly rodents and birds. It contains two subfamilies, one containing over 40 genera Genus (; : genera ) is a taxonomic rank above species and below family as used in the bio ...

. It was described by

Emmett Reid Dunn Emmett Reid Dunn (November 21, 1894 – February 13, 1956) was an American herpetologist and educator who worked in Panama and studied salamanders in the Eastern United States. Early life and education Emmett Reid Dunn was born on November 21, ...

in 1923.

References

Ceratophyllidae Insects described in 1923 {{Flea-stub