Such small creatures as Daphnia pulex, Cyclops quadricornis and Rotifera should be introduced into ponds.
"Amateur Fish Culture"
Charles Edward Walker
The soft warm underlayer is, however, not without its inconvenience; for Dr. Stuxberg during the voyage of 1875 found in such a nest no fewer than twelve kinds of insects, among them pulex vagabundus, Bohem.
"The Voyage of the Vega round Asia and Europe, Volume I and Volume II"
A.E. Nordenskieold
There is no mistake as to the meaning and identity of pulex irritans, confound him!
"The Complete PG Works of Oliver Wendell Holmes, Sr."
Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)