FIGURE 4 in Robber flies from Sint Eustatius, Lesser Antilles, with the descriptions of Efferia exaggerata sp. n. and the male of Ommatius prolongatus Scarbrough (Diptera: Asilidae)

FIGURE 4. Efferia nigrimystacea (Macquart). A: male lateral view. B: female lateral view. C: right wing of male.