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Pseudoparasites. (A) Rat-tailed maggot (arrow, respiratory siphon). (B) Horsehair worm. (C) Psocid (booklouse). (D) Psychodid fly larva (red arrow, head capsule; black arrow, respiratory siphon). (E) Earthworms (arrow, clitellum). (F) Dermestid (carpet beetle larva). (Panel A courtesy of Beatriz Moisset; panel B courtesy of Eric Maxwell; panels C and F courtesy of Tom Murray.)
