Nabinae

Gholami, Arefeh & Hosseini, Reza, 2024, A taxonomic study on Damsel bugs (Hemiptera, Heteroptera, Nabidae, Nabinae) of Guilan province and adjacent areas in Iran, with an illustrated key to the genera and species, Journal of Insect Biodiversity and Systematics 10 (1), pp. 111-123 : 119

Key to the genera and species of Nabinae in Guilan (male specimens).

1 Connexivum and the rest of venter not separated from each other. Abdominal sterna with small, shiny spots near outer edge (Genus Himacerus ) ......................................................................................................... 2

— Connexivum clearly separated from the rest of venter by a longitudinal furrow. Abdominal sterna without shiny spots (Genus Nabis ) .................................................................................................................... 3

2 Body mostly yellowish brown or reddish. Head and pronotum without black median stripe. Mostly brachypterous, hemelytra with irregular tinged pattern. Femora with transverse brownish stripes. Apex of paramere tridentate ( Fig. 5A). .......................................... Himacerus mirmicoides (O.Costa, 1834)

— Body not yellowish brown or reddish. Head and pronotum with black median stripe. Macropterous, hemelytra almost dark brown without irregular tinged pattern. Profemora ventrally and metafemora apically brownish or black, Apex of paramere not tridentate ( Fig. 5F). ......................................................... ........................................................................................................................ Himacerus major (A. Costa, 1842)

3 Body green, sometimes with reddish or brownish pattern. Head, pronotum and scutellum without brownish longitudinal median line. Paramere narrowish and relatively straight ( Fig. 5E). ...................... ............................................................................................................................... Nabis viridulus Spinola, 1837

— Body yellowish or grayish without above-mentioned pattern. Head, pronotum and scutellum with brownish longitudinal median line. Apical portion of paramere distinctly wider than previous species. ................................................................................................................................................................................. 4

4 Gracile species ( Table 1) with long legs. Hemelytra longer than abdomen. ................................................. .......................................................................................................................... Nabis capsiformis Germar, 1838

— Robust species ( Table 1) with shorter legs. Hemelytra as long as abdomen or shorter. ............................ 5

5 Corium with six small black spots. Apical part of paramere short and broad, outer margin strongly curved and distinctly constricted basally ( Figs 5B, 5C). ................................................. Nabis pseudoferus *

— Corium without six small black spots. Apical part of paramere broadly blade-like, elongate and narrowish with shallowly and regularly curved outer margin ( Fig. 5D). ..................................................... ......................................................................................................... Nabis punctatus punctatus A. Costa, 1847

Remarks. Nabis pseudoferus includes three subspecies: Nabis (Nabis) pseudoferus pseudoferus Remane, 1949 , Nabis (Nabis) pseudoferus transcaspicus Remane, 1962 and Nabis (Nabis) pseudoferus orientarius Remane, 1962 .