Hoplopsyllus anomalus

A species of flea parasitic on ground squirrels of the western U.S., and a vector of plague. [G. hoplo, tool, weapon, + psyll, flea]

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Hop·lop·syl·lus anom·a·lus (hop″lo-silґəs ə-nomґə-ləs) a species of flea found in the ground squirrels of western United States and transmitting plague.