Stenodemini

Zamani, Mozhgan, Hosseini, Reza & Konstantinov, Fedor V., 2025, New records and an illustrated taxonomic key to the genera of the tribe Stenodemini (Hemiptera: Miridae) in Iran, Journal of Insect Biodiversity and Systematics 11 (1), pp. 1-20 : 14-15

Key to the Iranian genera of Stenodemini (modified from Hosseini, 2013; Zamani & Hosseini, 2020)

1 Vertex without a longitudinal median sulcus. ................................................................................................... 2

— Vertex with a longitudinal median sulcus. ......................................................................................................... 3

2 Eyes touching anterior margin of pronotum, frons pointed anteriorly, lateral margins of pronotum carinate, endosoma with 1-3 spicules. ........................................................................... Acetropis Fieber, 1858

— Eyes removed from anterior margin of pronotum, frons rounded anteriorly, lateral margins of pronotum not carinate, endosoma with 2 spicules. ................................................. Leptopterna Fieber, 1858

3 Pronotum, scutellum and sometimes hemelytra distinctly and deeply punctate, vesica without spicule. .. ........................................................................................................................................ Stenodema Laporte, 1833

— Pronotum, scutellum and hemelytra impunctate or smoothly rugose, vesica with spicule. ....................... 4

4 Body large (6–8.5 ♂; 8– 9♀ mm), first antennomere much longer than head width across eyes. .................. 5

— Body small (<5.5 ♂; 5– 6♀ mm), first antennomere almost as long as or slightly longer than head width across eyes. .............................................................................................................................................................. 6

5 Clypeus visible from dorsal view, apex of frons smooth, metatibia with short adpressed setae, vesica with two spicules, sclerotized rings ovate and relatively small, dorsal structure small or obsolete. ........... ....................................................................................................................................... Megaloceroea Fieber, 1858

— Clypeus not visible from dorsal view, apex of frons notched, metatibia with long erect setae, vesica with single spicule; sclerotized rings almost subrectangular and large, dorsal structure large. ............................ .............................................................................................................................................. Notostria Fieber, 1858

6 Clypeus strongly projected, mandibular plates visible from dorsal view, apex of frons almost acute, eyes small, not globular; first antennomere proximally as thick as its apical part; vesica with single spicule; sclerotized rings small, dorsal labiate plate small and not developed. ............... Trigonotylus Fieber, 1858

— Clypeus blunt, mandibular plate not visible from dorsal view, apex of frons rounded, eyes large and globular; first antennomere proximally thicker than apically, vesica with 2 or 3 spicules; sclerotized rings obsolete, dorsal labiate plate well developed and strongly spinose. ............ Teratocoris Fieber, 1858