Kroyeria sphyrnae Rangnekar, 1957 (Copepoda, Siphonostomatoida, Kroyeriidae): First description of the male, supplementary remarks on the female, a new geographic record for the species, and a key to Kroyeria males

Kroyeria sphyrnae Rangnekar, 1957, collected from scalloped hammerheads, Sphyrna lewini, and smooth hammerheads, S. zygaena, is reported for the first time from the Indian Ocean off the coast of South Africa. The male of K. sphyrnae is described for the first time and supplementary notes on the female are provided. All females exhibited dorsal stylets with bifid tips, and females collected from S. zygaena exhibited an unusual, balloon-like inflation of the first third of the genital complex. However, all females conformed in all other respects to published descriptions of K. sphyrnae. A key to the identification of known males of Kroyeria is also provided.