221a (218b). Tarsi with 2 segments; antennae with 4 segments (Figs.A-B).....................

.................................................................................….................................. (Strepsiptera) Elenchidae

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A B

221b. Tarsi with 3 segments; antennae with 7 segments (Figs.A-D)............................

...................................................................................................….......(Strepsiptera) Halictophagidae

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A B D