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Genus Efferia

 
 
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Robber fly (Efferia albibarbis) feeding (grasshopper instar?) - Efferia albibarbis - male Efferia albibarbis? - Efferia - female Efferia species - Efferia albibarbis - male Robber fly - Efferia albibarbis - female I06A9422 - Efferia albibarbis - female Robber Monster (lateral) - Efferia albibarbis - male Robber Monster (lateral abdomen) - Efferia albibarbis - male Robber Fly - Efferia albibarbis - male

Efferia Robber Fly - Efferia - female Asilid - Efferia triton - male Asilid - Efferia triton - male Asilid - Efferia triton - male Robber fly - Efferia triton - female Male, Promachus? - Efferia triton - male Efferia triton Efferia tricella - male

Robberfly - Efferia okanagana Efferia - male Efferia - male Efferia - female Robber Fly - Efferia - female Efferia smowi? - Efferia snowi - male Efferia smowi? - Efferia snowi - male Efferia smowi? - Efferia snowi - male

Efferia tabescens - female Robber Fly - Efferia - male Robber Fly - Efferia aestuans - male Fly - Efferia aestuans Robber Fly captures Snipe Fly - Efferia aestuans Robber fly laying eggs - Efferia aestuans - female Robber Fly 6-9-17 - Efferia prairiensis - male Efferia aestuans female - Efferia aestuans - female

Efferia [Pogonioefferia] pogonias - Efferia pogonias - male white giant robber fly? - Efferia - male Robber Fly - Efferia pogonias - male Robber Fly - Efferia pogonias - male robber with bee fly - Efferia Robber fly - Efferia bicaudata Efferia benedicti - female Efferia sp. - Efferia bryanti - male

 
 
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