Most observed native giant robber flies
Native to the US, by how plants support them, most observed first.
Flower visitors All
4 native pollinators and other flower visitors, most observed first.
Other species All
12 native species with no plant ties on record, most observed first.
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False Bee-Killer
Promachus bastardii
2,872 observations
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Black Lion Fly
Promachus painteri
429 observations
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Chocolate Lion Fly
Promachus atrox
101 observations
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Arizona Lion Fly
Promachus truquii
68 observations
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Texas Lion Fly
Promachus texanus
56 observations
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White-faced Lion Fly
Promachus albifacies
40 observations
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Prairie Lion Fly
Promachus fitchii
38 observations
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Gray Lion Fly
Promachus princeps
29 observations