The Nearctic species of Heterischnus Wesmael are revised. Redescriptions provided the three known species, H. bicolorator , huardi and coloradensis . mexicanus sp. nov. is newly described recorded for first time from region. key to along with images distribution maps.

The survey was conducted during the period 2013-2016. A total of eight species belonging to subfamily Campopleginae, Cryptinae, Diplazontinae, Ichneumoninae, Pimplinae and Tryphoninae have been listed. material family Ichneumonidae collected from Igdır Eastern Turkey. All them Lysibia nana (Gravenhorst, 1829) is reported for first time Anatolia. Besides, Diadegma elishae (Bridgman,1884), medite...

we studied the pest and parasitoid fauna of cauliflower fields in southern tehran in 2011. in the course of our research the ichneumonid wasp barichneumon derogator (wesmael) of the subfamily ichneumoninae was collected and identified. this parasitoid attacks the larval stages of lepidopteran pests. the species b. derogator is newly recorded from iran.