Morphology of Rhyncholepta species. 9, 11–12 Rh. grandicallosa grandicallosa Bergroth, 1911, ♂, French Guiana, Camp Caimans 10, 13 Rh. grandicallosa centroamericana subsp. n., paratype, ♂, Costa Rica, Rancho Quemado. 9 head, dorsal view (magnification 37×) 10 head, ventral view (37×); 11 head, lateral view (50×) 12–13 joint between basipedicellite and distipedicellite (12 lateral view, 300×; 13 ventral view, 300×). Abbreviations: bu buccula, IIa basipedicellite, IIb distipedicellite. Scale bars: 0.5 mm (9–11); 50 μm (12–13). (micrographs P. Kment)