Carreramyia megacephalus (Shannon, 1925)

Figs 8–12, 23.

Microdon megacephalus Shannon, 1925: 213 . Type locality: Panama.

Studied type specimen. HOLOTYPE. Male. PANAMA: Old Panama, 31.I.1911, leg. A. Busck, coll. USNM.

Additionally studied specimens. COSTA RICA: 2 males & 1 female, Guanacaste, 3 km SE R. Naranjo, 3– 8.III.1992, leg. F.D. Parker, males coll. M. Hauser, female coll. RMNH; 1 male, same locality & leg as previous, 11–21.IV.1992, coll. RMNH; 1 female, Guanacaste, Parque Nacional Santa Rosa, Sector Santa Rosa, 5– 18.VII.2001, leg. A.R. Deans, coll. M. Hauser.

Diagnosis. Body size 6–8 mm. Immediately distinguished from the other three Carreramyia -species by its entirely yellowish colouration, without any dark markings.

Distribution. Known from Costa Rica and Panama.