Ephemeroptera and Odonata larvae from the River Ipoly (Hungary)

This paper provides data on 24 Ephemeroptera and 7 Odonata species from the Hungarian section of the River Ipoly. The species most remarkable from faunistical point of view are Centroptilum nanum, Ecdyonurus insignis, Heptagenia coerulans, Ephoron virgo, Ephemerella mesoleuca, Brachycercus europaeus and B. harrisella. Data of some other aquatic insects (Coleoptera: Elmidae, Heteroptera: Aphelocheiridae) are also given