head
head
4.
Gular region of the head(midventral
sclerotised part between labium and
foramen magnum) well defined.
Gular region not clearly defined
5.
Pronotum usually greatly enlarged.
Pronotum is almost alway small and collar-
like.
6.
Scutellum (triangular plate found between
the wing bases) well developed
Scutellum not well developed.
7.
Forewings heavily sclerotized at the base
and the apical half is membranous
(Hemelytra)
Forewings are of uniform texture. They are
frequently harder than hind pair.
8.
Wings are held flat over the the back at rest
and the left and right side overlap on the
abdomen.
Wings are held roof-like over the back and
wings do not over lap.
9.
Honey dew secretion uncommon
Honey dew secretion common
10
Repungnatorial or odori- ferous or scent
glands present.
Wax glands usually present.
11.
Both terrestrial and aquatic
Terrestrial.
12.
Herbivorous, predaceous or blood sucking.
Herbivorous.
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