DOI: https://doi.org/10.2478/v10058-011-0019-0
The acanthocaphalan larvae of Arhythmorhynchus invaginabilis, Southwellina hispida, Plagiorhynchus (Plagiorhynchus) odhneri, parasites of waterfowl, were found for the first time in intermediate hosts, amphipods of the family Tallitridae. Larvae are described, drawn and and photomicrographed.