the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Siphonaptera or fleas > [noun] > family Ceratophyllidae > member of (rat flea) (2)
rat flea1872
any of several fleas which infest rats; esp. Nosopsyllus fasciatus of temperate countries and the chiefly tropical Xenopsylla cheopis, which are…
plague flea1907
any of various rodent fleas which transmit the plague bacterium; esp. the rat flea Xenopsylla cheopis.