Abstract Surveys and collecting of the Iranian Neuroptera fauna over the last 133 years (including this survey) have resulted in a collective list including 51 species of Chrysopidae & Hemerobiidae, covering 25 of the 30 provinces. During 2006-2008, a faunistic survey of Chrysopidae & Hemerobiidae was made in North eastern and East provinces of Iran. As a result, 12 species were recorded, seven of which are new to the study areas, including one (Hemerobius stigma Stephens, 1836) new for Iran; three species previously reported in the literature were not encountered in the survey. This brings the total number of Chrysopidae & Hemerobiidae recorded from these provinces to 15. Clearly, more species are to be expected after more intensively collecting. Keywords: Neuroptera, Chrysopidae, Hemerobiidae, Iran, lacewings, Faunistic survey.

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