96a (95a). Tegula (= scale-like structure overlying front wing base) large and conspicuous

female abdomen large (Figs.A-F) (adults are blood-suckers; larvae are predators of

aquatic arthropods) .................................................................…….......................(Diptera) Tabanidae

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A B C

D E F

96b. Tegula small or vestigial; tibial spurs usually absent (Figs.A-F) (larvae are predators

of arthropods in several habitats).........................................…............…....(Diptera) Stratiomyiidae

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A B C

D E F