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Is it possible to get these to species? Found on the island of Bonaire, off the coast of Venezuela. The males were mostly in Mangrove trees and the one female i found was on some rocks on the ground. I have more photos when needed.

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And the female

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Efferia spp. Sorry Marc; this is best ID that can be made from photos of this huge genus.

1) Two spp. involved -- male is distinct from female; clear differences in height of hairs along scutum, color of hairs on scutellum, etc.; male has diff. shape to face (gibbosity bigger) and bristles near vertex too long...

2) Neither can be confirmed as very similar looking Efferia albibarbis (widest-spread of all Efferia spp) -- though female is closer to this sp., maybe deserves a "cf. E. albibarbis" as a name. Exact sequence & intensity of spots on abdomen and genitalia shape wrong for both sexes as E. alibarbis.

3) Wing venation must be clearly seen for ID's in this group.

Cheers,

Eric

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Hi Eric, many thanks for your reply! I know what to focus on next time i see one of these now. I do have one shot which shows the wings of the female (same ind as in the second picture). The venation is not very clear but maybe you can make something out.

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Thanks Marc -- helps with confirming not E. albibarbis (espec. by markings on scutum), but is in Albibarbis Group of Hine/Wilcox (same as Albibarbefferia).

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Ok, thanks!