39a (37b).    Mouthparts in the form of a cone located basally on ventral
side of head; palps
             present but
short; body elongated, usually <5 mm in length; antennae about as long as
             head and prothorax
combined, not bristle-like, and 4-9 segmented; tarsi 1-2 segments,
               often without claws (Fig.A)
[thrips...................................................................…….......Thysanoptera
 
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                                A
 
 
39b.    Mouthparts as an elongated segmented beak;
palps absent; other characters variable.……..... 40