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The subfamily Cremastinae Förster, 1869 (Hymenoptera: Ichneumonidae) was studied in Fars and Hormozgan provinces (southern Iran). The specimens were collected using Malaise traps and sweeping nets. Nine species were identified of which two species including Temelucha afghana Šedivý, 1968 and Temelucha confluens (Gravenhorst, 1829) are new records for the fauna of Iran. With result of this study, the number of Cremastinae species known from Iran has increased to 24 species in six genera. An identification key to Iranian Cremastinae is provided, as well as a morphological diagnosis for the newly recorded species.

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The fauna of the subfamily Diplazontinae (Hymenoptera: Ichneumonidae) in the north central parts of Iran was studied during 2010-2011. A total of 933 specimens were collected in 30 localities at different altitudes using Malaise traps. Sixteen species belonging to 7 genera were identified of which twelve species indicated by asterisk, are new records for Iran: Diplazon annulatus (Gravenhorst)*, Diplazon laetatorius (Fabricius),D. pectoratorius (Gravenhorst)*, D. tibiatorius (Thunberg)*, Enizemum ornatum (Gravenhorst), Homotropus nigritarsus (Gravenhorst)*, Homotropus pictus (Gravenhorst)*, Promethes sulcator (Gravenhorst), Sussaba flavipes (Lucas)*, Sussaba pulchella (Holmgren)*, Syrphoctonus tarsatorius (Panzer)*, Syrphophilus bizonarius (Gravenhorst)*, Tymmophorus obscuripes (Holmgren)*, Woldstedtius biguttatus (Gravenhorst), Woldstedtius citropectoralis (Schmiedeknecht)* and Xestopelta gracilima (Schmiedeknekht)*. Detailed morphological characters and a key to the genera and species are provided. Flight periods and distribution in relation to altitude on two slopes of the Alborz mountains are discussed.

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The Ichneumonidae fauna of Kerman province, Iran, was surveyed in April 2013 to June 2014. In total, 35 species belonging to 22 genera and eight subfamilies were collected and identified, of which Cryptus armator Fabricius, 1804; Enizemum schwarzi Diller, 1987 and Barichneumon gaullei Berthoumieu, 1903 are new records for thefauna of Iran. An updated list of Ichneumonid species for Kerman province is presented. These data can be useful for biological control programs.

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A survey was conducted to identify the parasitic wasps of the subfamily Campoleginae (Hym.: Ichneumonidae) in Fars province (southern Iran) during February 2011 – August 2013. Specimens were collected using Malaise traps and sweeping nets. Two new record species of the genus Cymodusa (Ichneumonidae, Campopleginae) were identified: C. longiterebra Dbar, 1985 and C. australis (Smits van Burgst, 1913). An identification key, morphological diagnosis and geographical distribution of Iranian Cymodusa are provided.

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The present study is based on the material collected from Alborz and Guilan provinces of Iran during March to November 2010 and 2011. Three species of the genus Platylabus Wesmael were collected and identified, of which Platylabus orbitalis (Gravenhorst, 1829) (Hym.: Ichneumonidae: Ichneumoninae, Platylabini) is newly recorded from Iran and the Middle East region. This study increases the number of known Iranian species of the tribe Platylabini and genus Platylabus to 12 and 5 species, respectively. An identification key to Iranian Platylabus, as well as a brief description and diagnostic characters of the new record species is provided.

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In this survey the tribe Heresiarchini (Hymenoptera: Ichneumonidae, Ichneumoninae) of Alborz and Guilan provinces (Iran) was taxonomically studied. The specimens were collected using Malaise traps during March to November 2010. Three species including: Coelichneumon comitator (Linnaeus, 1758), Coelichneumon probator Horstmann, 2000 and Syspasis carinator (Fabricius, 1798) were identified of which C. probator is recorded for the first time from the Middle East and Iran. An updated checklist of Heresiarchini in Iran, as well as diagnostic characters of the new recorded species is presented.

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This study has been carried out to collect and identify Ichneumonidae species from northwestern Iran using Malaise traps during 2014. In total, fifteen species into 6 subfamilies are identified. Four species are recorded for the first time from Iran, i.e. Hoplocryptus melanocephalus (Gravenhorst, 1829), Zoophthorus palpator (Müller, 1776), Exochus erythronotus (Gravenhorst, 1820) and Enicospilus cerebrator Aubert, 1966. The geographical distribution data of the recorded species are provided.

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Here, the species richness of Campopleginae, a diverse subfamily of the Darwin wasps was studied in an almost organic damask rose plain located at 2600 m a.s.l., the south of Iran. Sampling was done using four Malaise traps for six months from April–October 2019. The total sampling efforts were 18 trap months. The integrated approach was used to assess the sample completeness profile, to infer true diversities of entire assemblages via asymptotic diversity estimates, to standardize the sample coverage via rarefaction and extrapolation, and to infer diversity via an evenness profile. I also used Homogenous, Homogenous (MLE), Chao1, Chao1-bc, iChao1, ACE, ACE-1, 1st order jackknife, and 2nd order jackknife to estimate the species richness of the studied Campopleginae community. Malaise traps yielded 491 individuals belonging to 24 morphospecies. Diadegma majale (Gravenhorst, 1829) included 64.7% of the total individuals collected, representing the highly dominated species. The estimated sample completeness profile showed that our data covers 59% of the total species in this community and thus 41% of species are undetected. The values for Shannon and Simpson diversity indices are 4.53 and 2.29, respectively. The models and non-parametric estimators estimated the species richness of Campoplegines from 24 – 50 species. This study provides a wealth of baseline data for the subfamily Campopleginae in the south of Iran in terms of biological control and conservation.

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Grape berry moth, Lobesia botrana (Denis and Schiff.) is a destructive pest of grapevine in Orumieh (Northwest, Iran) vineyards. It is mainly controled through application of broad-spectrum insecticides, which can adversely affect vineyard ecosystem and consequently human health. Since a first step in setting up an IPM program is to assess the biological control agents within the ecosystem, so in this research work the larval parasitoid complex of Grape Berry Moth (GBM) on vine was identified, and its natural potential in controlling the pest compared for different generations and in different locations in Orumieh during 2004-2006. Adults of the larval parasitoids of GBM were recorded from laboratory-reared larvae, which had been collected on damaged inflorescences of the first generation and berries of the second and the third generations. Rate (%) of parasitism on L. botrana larvae was estimated as the number of parasitoids over the total count of parasitoids and moths. Six larval parasitoids of the host were found: Enytus apostata Gravenhorst, 1829; Pristomerus vulnerator (Panzer, 1799); Temelucha sp. (Hymenoptera: Ichneumonidae), Nemorilla maculosa (Meigen, 1824) (Diptera: Tachinidae), Habrobracon hebetor (Say) and Bracon sp. (Hymenoptera: Braconidae). Total parasitism varied from 1 to 16.8%, with an average of 7.7% as revealed through the present study. A comparison of the means of the larval parasitism rate showed a significant difference at 5% level between different generations and localities. The highest rate of parasitism occurred in the first generation in all localities, as well as in years.