Isodermus Erichson, 1842

Contreras, Eugenia Fernanda & Coscarón, María Del Carmen, 2012, The Aradidae (Insecta, Hemiptera, Heteroptera) of Argentina, Zootaxa 3500, pp. 1-35 : 11

Genus Isodermus Erichson, 1842

Figs 1 D, 4C–D

Isodermus Erichson, 1842 . Ark. für Natur., 8: 281. Type-species: Isodermus planus Erichson , monobasic.

Anchomichon Spinola, 1852 . Hist. Chile, Zool., 7: 214. Type-species: Anchomichon Gayi Spinola , monobasic. Synonymized by Stål, 1873. Kongl. Svenska Vet.-Akad. Handl., 11(2): 147.

Ecpiestocoris Blanchard, 1852 . Hist. Chile, Zool., 7: 223. Type-species: Ecpiestocoris castaneus Blanchard , a junior synonym of Anchomichon " Gayi " Spinola, monobasic. Synonymized by Wygodzinsky, 1946. Rev. Entomol., 17: 268.

Diagnosis: macropterous, with wings sometimes broken off; head about as long as wide across eyes, with a constricted neck region; the juga well developed on either side, extending beyond middle of clypeus; rostrum with the first and second segment very short, third longer and thicker, fourth longest; ventral surface of head without bucculae or rostral groove; corium scarcely distinguished from membrane, separated by an ill-defined transverse, sinuate pale line of weakness at level of apex of scutellum; abdomen polished.

Figures

FIGURE 1. Distribution map of Argentinian species of Aradidae. A; Aneurosoma. B; Iralunelus. C; Aradus. D; Isodermus. E; Mezira. F; Neuroctenus.