40a (39b). Beak arises from front part of head; antennae with 4-5 segments and not bristle-like;

tarsi usually with 3 segments; abdomen without cornicles (= dorsal tubular structures on

posterior abdomen ) [true bugs]. ...............................................Hemiptera / Heteroptera...... 140

 

 

40b. Beak arises from rear of head; antennae either with >5 segments (and tarsi with 2

segments) or bristle-like (and tarsi with 3 segments); abdomen often with a pair of

cornicles (Fig.A) [aphids, hoppers, etc.].............................................................................Homoptera

 

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A