Higher Systematics of the Pentatomoidea 63
14(13) Green in color when alive, and keeping the green color after death (note that some species
have seasonal or semi-permanent yellowish or brownish forms, but the typical form is
green); worldwide (Figures 2.12E; 2.22I-L; 2.30K, L) ........................................Nezarini
14’ Coloration variable, but if predominately green, this green fades to yellow after death .... 15
15(14) Usually small to medium in size; usually tans, browns and/or blacks, sometimes with pale
marks; head relatively broad, usually semi-circular; abdominal spine may be relatively long,
but usually terete, slender; ostiolar rugae elongate, reaching near to lateral margin of meta-
pleuron, apex acute, attached to metapleuron; worldwide (except Europe) (Figures 2.22C-E;
2.30H) ....................................................................................................................Menidini
15’ Usually medium to large in size; color variable, but if tan, brown, or black, then head is not so
broad and/or semicircular; abdominal spine usually large, robust; ostiolar rugae variable .... 16
A
B
C D E
F G H
FIGURE 2.7 A, Mecidea major, abdomen, lateral view; B, Mecidea major, detail of abdominal segments II, III and IV,
lateral view; C, Thyanta acuminata, thorax, ventrolateral view; D, Piezodorus guildiniii, thorax, ventrolateral view; E,
Rhynchocoris humeralis, thorax, ventrolateral view; F, Aelia acuminata, head and thorax, ventral view; G, Aelia acumi-
nata, thorax, ventrolateral view; H, Evoplitus humeralis, thorax, ventrolateral view.