Pectinopygus fregatiphagus (Eichler, 1943)

Lipeurus gracilicornis major Kellogg, 1899a: 30, pl. 3, fig. 3. Not Lipeurus major Piaget, 1880 .

Epifregata fregatiphagus Eichler, 1943a: 59 . Nomen novum for Lipeurus gracilicornis major Kellogg, 1899a . Colima: Fregata magnificens and Sula variegata, Clarion Island, 1901, R. Beck (Kellogg 1906); Fregata magnificens, San Benedicto Island, 1897, R.C. McGregor (Kellogg & Mann 1912).

Notes: Specimens of P. gracilicornis were identified by Kellogg (1906) and Kellogg & Mann (1912) as “ Lipeurus gracilicornis major Kellogg ”. The record from Sula variegata is likely the result of a contamination because Pectinopygus fregatiphagus does not parasitise any species of Sula (see Price et al. 2003).