Nirmus actophilus Kellogg & Chapman, 1899: 78, pl. 6, fig. 4.
Yucatán: Calidris alba, 6.5–13 km. WSW Sisal (Klaas 1968).
Note: Specimens of L. actophilus were identified by Klaas (1968) as “ Lunaceps holophaeus actophilus ”.