Over the period 2006–2010, 40 species of primary parasitoids belonging to eleven genera were found and reared from 50 species of host aphids, from a total of 106 host plants collected from 62 localities all around Slovenia. Over 230 tritrophic associations have been reviewed, including four associations which are reported for the first time; Ephedrus plagiator/ Staticobium limonii/ Limonium ang...

Host recognition and use in female parasitoids strongly relies on host fidelity, a plastic behavior which can significantly restrict the host preferences of parasitoids, thus reducing the gene flow between parasitoid populations attacking different insect hosts. However, the effect of migrant males on the genetic differentiation of populations has been frequently ignored in parasitoids, despite...

Many fungal root symbionts of the genus Trichoderma are well-known for their beneficial effects on agronomic performance and protection against plant pathogens; moreover, they may enhance protection from insect pests, by triggering plant resistance mechanisms. Defense barriers against insects are induced by the activation of metabolic pathways involved in the production of defense-related plant...

Here we present additional data on the Aphidiinae fauna of Kyrgyzstan. We identified 18 species. One species new to science ( Trioxys depressus sp. nov. ) is described, while 11 are reported for first time: Aphidius avenae Haliday, A. ervi matricariae salicis urticae Ephedrus cerasicola Starý, E. niger Gautier, Bonnamour & Gaumont, Lysiphlebus cardui (Marshall), L. confusus Tremblay Ead...

Melanaphis sorghi (Theobald, 1904) is an invasive species recently introduced in the American continent and has been causing great losses sorghum crop. In surveys carried out cities of Uberlândia Sete Lagoas, state Minas Gerais, Brazil, during year 2021, mummified specimens M. were collected on plants, from which parasitoid Aphidius platensis (Brèthes, 1913) (Hymenoptera: Braconidae: Aphidiinae...

Many insects harbour facultative symbiotic bacteria, some of which have been shown to provide resistance against natural enemies. One of the best-known protective symbionts is Hamiltonella defensa, which in pea aphid (Acyrthosiphon pisum) confers resistance against attack by parasitoid wasps in the genus Aphidius (Braconidae).We asked (i) whether this symbiont also confers protection against a ...