151a (148b).    Prosternum with a groove to receive proboscis; proboscis with 3 segments

(Figs.A-B) (general predators)......................…................….....(Hemiptera / Heteroptera)  Reduviidae

 

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                               A                                                         B

 

 

151b.    Prosternum without a groove; proboscis usually with 4 segments (Figs.A-C) (general

             predators)..............................................................................…….......(Hemiptera/ Heteroptera)  Nabidae

 

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                                              A                                                              B                              C