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The paper concerns 32 species of the Ichneumonidae, subfamily Cryptinae. Basing on several collections, the descriptive types of 51 species-group forms described by 14 authors have been investigated, 13 lectotypes selected, 24 new synonyms and 9 new combinations proposed, and 1 form raised to the species status.
Phytodietus (Phytodietus) antennator KASPARYAN, 1993 (Hymenoptera, Ichneumonidae) is reported from Europe for the first time on the basis of material collected in Poland. A description of the collected species is given, along with photograph.
The research was carried out in the years 1991–1994 in agricultural landscape of medium mosaic degree in the area of Łęczyca. It covered parasitoids of the Pimplinae subfamily (Hymenoptera, Ichneumonidae), inhabiting refugium habitats such as shrubberies, field borders, roadsides and forest edges. The method used was scooping in order to catch imagos. 48 species were found, which made up 36.1% of this subfamily’s domestic fauna and 63.1% of those reported for Wielkopolska. Dominant species were Endromopoda detrita (Holmgr.) (D = 19.5%), Itoplectis maculator (F.) (D = 11.5%), I. alternans (Grav.) (D = 11.3%), Pimpla contemplator (Muell.) (D = 9.2%) and Zaglyptus multicolor (Grav.) (D = 7.1%). The greatest species diversity was reported from the forest edge (34 species), while the highest number was found in the shrubberies (268 individuals). The greatest stability of species composition was found in the shrubbery communities. The greatest species similarity between communities was reported for the shrubberies and the forest edge (SM = 53.5%). The highest similarity in terms of quantity occurred between the groups on the field border and road edge (Re = 64.5%).
A new species of Phytodietus Gravenhorst, 1829, Ph. (Weisia) pearlus sp. nov. from the Republic of South Africa is described and compared with congeneric Afrotropical species.
Phytodietus alpinator AUBERT, 1969 (Hymenoptera, Ichneumonidae) is reported for the first time from Poland. The species has been found in the Podlasie, in the Biebrza National Park. A checklist of species of the genus Phytodietus GRAVENHORST, 1829 from Poland has been supplemented.
Ten hymenopteran species of the family Ichneumonidae (2 species) and superfamily Chalcidoidea (8 species) had been reared from cocoons of Callisto denticulella (THNBG.). Such parasitoids as Gelis areator (PANZ.), Chrysocharis pentheus WALK., Pedobius saulius WALK., Dibrachys cavus WALK., Eupelmus fulvipes FÖRSTER, Eupelmus urozonus DALMAN, Eurytoma goidanichi BOUCEK and Parablastothrix montana ERDÖS had not been reported from the host before. E. fulvipes, E. goidanichi and P. montana are species new to Poland.
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