157a (156a). Antennae inserted on front above base of mandibles; clypeus
extends laterally
beyond the base
of antennae; often brightly colored insects (Figs.A-C) (general
predators)........................................................................................….............(Coleoptera) Cicindelidae
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A B C
157b. Antennae inserted on side of head between base of mandible and
eye; clypeus does not
extend laterally
beyond base of antennae; most are dark, shiny and flattened
(Figs.A-F) (general
predators).........................................................…..............(Coleoptera) Carabidae
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A B C D
E F