Carreramyia megacephalus (Shannon, 1925)

Reemer, Menno, 2013, Taxonomic exploration of Neotropical Microdontinae (Diptera: Syrphidae) mimicking stingless bees, Zootaxa 3697 (1), pp. 1-88 : 12

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.

Figures

FIGURES 1 – 10. 1. Rhoga sepulchrasilva male, head lateral. 2 – 7. Carreramyia flava female (holotype). 2. habitus dorsal; 3. habitus lateral; 4. head frontal; 5. head lateral; 6. wing; 7. basoflagellomere. 8 – 10. Carreramyia megacephalus male (Costa Rica, coll. M. Hauser). 8. habitus dorsal; 9. habitus lateral; 10. head frontal.

FIGURES 11 – 21. 11 – 12. Carreramyia megacephalus. 11. head male lateral; 12. head female frontal (Costa Rica, coll. RMNH). 13 – 16. Carreramyia megacera female (holotype). 13. habitus dorsal; 14. habitus lateral; 15. head lateral; 16. wing. 17 – 21. Carreramyia tigrina female (holotype). 17. habitus dorsal; 18. habitus lateral; 19. head frontal; 20. head lateral; 21. head dorsal.

FIGURES 22 – 31. 22. Carreramyia tigrina (holotype), scutellum. 23. Carreramyia megacephalus male (Costa Rica, coll. RMNH), genitalia lateral. 24 – 28. Ceratophya argentinensis female (holotype). 24. habitus dorsal; 25. habitus lateral; 26. head frontal; 27. head lateral; 28. wing. 29 – 31. Ceratophya carinifacies female (holotype). 29. habitus dorsal; 30. abdomen dorsal; 31. abdomen lateral.