64a
(63b). Cerci present, 1 segmented,
and terminating in a long bristle; antennae with 9
segments
and moniliform (Figs.A-C); compound eyes
and ocelli absent (= simple
eyes); tarsi with 2
segments.......................................................................................…......Zoraptera
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A B C
64b. Cerci absent;
antennae with 13 or more segments and usually hair-like (Fig.A);
compound eyes
and 3 ocelli usually present; tarsi with 2-3 segments [psocids]...............
.......................................................................................................................................…......Psocoptera
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A
