A new species, Collyria pronotalis Yurtcan and Kolarov sp. n. (Hymenoptera, Ichneumonidae, Collyriinae), from Turkey is described and illustrated. A key for identification of the species of Collyria Schiødte, 1839 is provided. Moreover, additional records are reported for Collyria coxator (Villers, 1789) from Turkey.

In this paper, two new species of the Neotropical genus Fractipons Townes, 1970 (Hymenoptera, Ichneumonidae) are described. A new diagnosis for the genus, a re-description of Fractipons cincticornis Townes, 1970 and a key to known species are provided. New distribution records for the genus now include Argentina, Costa Rica, Panama and Peru.

The male of Hymenoepimecis japi (Hymenoptera, Ichneumonidae, Pimplinae) is described and illustrated. The specimen was collected in a modified web (cocoon web) of Leucauge roseosignata (Araneae, Tetragnathidae) made in a laboratory. Both, host and parasitoid were collected in Reserva Biológica Serra do Japi, located in Jundiaí, São Paulo, Brazil.

The pest status of diamondback moth (DBM), Plutella xylostella (L.) (Lepidoptera: Yponomeutidae), in South Africa is lower than in other countries with similar climates. A project was initiated to investigate possible reasons for this. Larval and pupal populations of DBM were monitored weekly for two years on unsprayed cabbage plots. Adult populations were also monitored continuously for two ye...

Four species of the genus Lamachus Förster 1869 belonging to the tribe Mesoleiini of the subfamily Ctenopelmatinae (Hymenoptera, Ichneumonidae) are reported from China. Two of them are new to science, Lamachus nigrus Li, Sheng & Sun, sp. n. and Lamachus rufiabdominalis Li, Sheng & Sun, sp. n. were reared from Neodiprion huizeensis Xiao & Zhou, in Guizhou Province of the Oriental part of China. ...

Female parasitic insects in the genera Pleolophus, Endasys, and Mastrus (Hymenoptera: Ichneumonidae) search the ground cover for hosts and avoid areas they have already inspected. Females respond to their own trail odor, and recognition occurs also between conspecific, congeneric, and intergeneric individuals. This is the first direct evidence for recognition between parasitoids at sites other ...

Five species of Ichneumonidae were found to be missing from the German checklist published by Riedel et al. in 2021: Anoncus zonifer (Heinrich 1951), Phobetes szepligetii (Kiss 1924), Cylloceria caligata (Gravenhorst 1829), Mesoleptus pronus (Förster 1876) and Gelanes gubarevae Khalaim 2002.

Three species of Ateleute Förster 1869 belonging to the tribe Cryptini of the subfamily Cryptinae (Hymenoptera, Ichneumonidae), collected from Jiangxi Province, China, are reported, of which two are new for science: Ateleute ferruginea Sheng, Broad & Sun, sp. n. and AAteleute zixiensis Sheng, Broad & Sun, sp. n. One, AAteleute densistriata (Uchida, 1955), was previously known from China and Jap...