25a (24a). Beak arises from front of head (Fig.A); basal portion of fore wing usually

thickened and leathery, but membranous at tip, the tips overlapping at rest (Fig.B)

[true bugs]..........................................................................................Hemiptera / Heteroptera.…... 140

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A B

25b. Beak arises from hind part of head, often appearing to begin at base of front legs; front

wings of uniform texture throughout, the tips not, or only slightly, overlapping at rest

[leafhoppers & some psyllids].....................................................................….......................Homoptera