Eusthenini Stål, 1870


Key to genera:

1
Apex of posterior trochanter armed with a strong spine untitled Serrocarpona Blöte

Posterior trochanter unarmed
2
2
Margins of fith abdominal segment greatly ampliated laterally Morphology and relationships of the Pentatomoidea. (Heteroptera) 2 - World genera of Tessaratomini (Tessaratomidae) Dalcantha
Amyot & Serville

Margins of fith abdominal segment not specially ampliated laterally 3
3
Anterior femora with a strong spine on the subapical ventral margin 4

Anterior femora unarmed 5
4
Metasternum with an elevated plate between meso- and metacoxae
6


No elevated plate on metasternum
10
5
meso and metacoxae widely separated, distance between metacoxae greater than distance between the eyes
Origanaus Distant

Coxae closer, distance between metacoxae much smaller than distance between the eyes
6
6
pronotum produced forward, antero-lateral margin either angular or broadly rounded, 7th abdominal segment angularly produced backwards. 7

Pronotum rounded, if somewhat produced or angular, then apex of abdomen rounded
 8
7
Apex of metafemur with two  spines around tibia insertion
Asiarcha Stål

Metafemur unarmed, with at most small knobs
Pseudopycanum Bergroth
8
Elevated metasternal plate cross-shape
Eusthenimorpha Yang

Elevated metasternal plate lozenge-shaped 9
9 Meso- and matafemur with a pair of spines around tibai insertion Eusthenes Laportte

Femora unarmed Mattiphus
Amyot & Serville
10
Posterior femora recurved
Carpona Dohrn

Posterior femora straight  11
11
Post frenal part of scutellum large, broadly rounded
Megadoeum  Karsh

Post frenal part of scutellum small, narrowly rounded 12
12
Shape quadrangular
Sanganus Distant

Shape ovoid
13
13
Male metafemora strongly incrassated and near base longly spined
Eurostus Dallas

Male metafemora neither incrassated nor longly spined near base Pycanum
Amyot & Serville


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