- References
{{Taxobox
| name = Echidna flea
| regnum = Animalia
| phylum = Arthropoda
| classis = Insecta
| ordo = Siphonaptera
| familia = Pygiopsyllidae
| genus = Bradiopsylla
| species = B. echidnae
| binomial = Bradiopsylla echidnae
| binomial_authority = (Denny, 1843)
}}The echidna flea (Bradiopsylla echidnae) is thought to be the world's largest flea and it parasitises the short-beaked echidna. It reaches 4 millimetres in length. References- Australian Faunal Directory
{{Taxonbar|from=Q2923476}}{{Flea-stub}} 3 : Fleas|Insects of Australia|Insects described in 1843 |