Major Families of Adult Predatory & Parasitic Coleoptera:

 

152a (27a, 51b, 54a & 73b).    Head not prolonged into a beak; gular sutures (= longitudinal

             sutures demarking sclerite on ventral side of head) double, at least anteriorly and

 posteriorly ............................................................................................................................………...... 153

 

 

152b.    Head usually prolonged into a beak; gular sutures fused or lacking; antennae not elbowed;

             elytra cover base of pygidium (= last dorsal segment of abdomen) (Figs.A-C) (predators of

             Coccidae)...........................................................................................…...........(Coleoptera)  Anthribidae

 

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                                           A                                       B                                            C