Hydrochus nodulifer Reitter, 1897

Material studied. One male (Coll. Pütz, Eisenhüttenstadt, Germany): IRAN: Prov. Gilan, Siahkal County, Elburz Mts., S-Slope, Deylaman-Barresar road, sifted, 1688 m, 36º51'07''N, 49º49'67.3''E, 07.VI.2008, leg. A. Pütz “IR08-25”.

Remarks. First record for Iran. This species was described from “Elisabethpol” [= Ganja (or Ganca), Azerbaijan] (Reitter, 1897). A lectotype was designated by Shatrovskij (1993), who also figured the aedeagus. Hydrochus nodulifer has also been recorded from Eastern Anatolia and the Black Sea Area of Turkey (Mart et al., 2009).