Redescriptions and lectotype designations for two neotropical Elminae (Coleoptera: Elmidae).

Two Elminae, Macrelmis germaini (Grouvelle, 1896) and Cylloepus reitteri Grouvelle, 1889 from Grouvelle's Collection in the Museum National d'Histoire Naturelle, Paris are reviewed, and their lectotypes designated. Habitus photographs and illustrations of aedeagi for both species are also included.

Annotated checklist of Dryopidae and Heteroceridae (Coleoptera: Byrrhoidea) of Iran.

The distribution of Dryopidae and Heteroceridae (Coleoptera: Byrrhoidea) of Iran is summarized. A total of ten species of Dryopidae in three genera (Dryops Olivier, Parahelichus Löbl & Smetana, and Praehelichus Löbl & Smetana), and 18 species of Heteroceridae in two genera (Augyles Schiödte and Heterocerus Fabricius) are listed. Augyles hispidulus (Kiesenwetter, 1843) (Heteroceridae) is recorded from Iran for the first time.