Title: Some New Zealand Parasitic Copepoda of the Family Anthosomidae

Author: G. C. Hewitt

Publication details: Victoria University of Wellington, Wellington

Part of: Zoology Publications from Victoria University of Wellington

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Anthosomidae, Female: Head fused with first thoracic segment, lateral margin of carapace expanded laterally or ventrally; remaining thoracic segments fused together, the fourth with a large plate extending posteriorly to cover the genital and abdominal segments, the caudal laminae, the egg strings and most of the fourth pereiopods; genital segment and abdomen both small; caudal laminae flattened dorso-ventrally and tapering posteriorly; first antennae small, 1 or 7 segmented with a few small setae; second antennae subchelate; mandibular palp with a divided base, each part bearing small processes or setae; maxilla with a variously toothed distal process; maxilliped subchelate; first four pairs of legs biramous; first two pairs with one-segmented rami; third and fourth pairs visible in ventral view as laminate rami extending posteriorly; fifth leg uniranous, rudimentary.

Male: Head fused with first segment, margins entire; remaining segments fused into a trunk without dorsal plates; abdomen one-segmented, visible in dorsal view; caudal rami subcircular in cross section, slightly tapering posteriorly; appendages as in the female except third and fourth pereiopods which are subcircular in cross section and fused to trunk, and fifth pereiopods which are lacking. Parasitic on marine teleosts.

Type species: P. foliaceus (Goggio, 1905)