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