Nycteridocaulus pectinatus Atyeo, 1966

Nycteridocaulus pectinatus Atyeo, 1966a: 486, figs. 9–13.

Material examined. 9 males and 9 females (ZISP 6269–6286) from Tolmomyias sulphurescens (von Spix, 1825) (Tyrannidae), COSTA RICA, Rincón de la Vieja National Park, Cordillera de Guanacaste Mts., 10°46’N, 85°18’N; 16 August 2009, collectors I. Literak, O. Sychra and M. Capek.

Nycteridocaulus pectinatus is a remarkable species within the genus Nycteridocaulus in having a unique structure of terminal lamellae in males, which are strongly indented and resemble a hair comb. The species was previously known from Tolmomyias flaviventris (zu Wied-Neuwied) ( Tyrannidae) in Trinidad (Atyeo 1966a). This is the first finding of this species in Costa Rica, and Tolmomyias sulphurescens is a new host species record for this mite.