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Spider wasps had long been proposed to originate in the Late Cretaceous based on the Burmese amber fossil Bryopompilus interfector. We performed a morphological examination of this fossil and determined that it does not belong to Pompilidae or any other described hymenopteran family. Instead, we place it in the new family Bryopompilidae. The oldest verifiable member of the Pompilidae is from Baltic amber, which suggests that the crown group of the family probably originated in the Eocene, not in the Late Cretaceous as previously proposed. The origin of spider wasps appears to be correlated with an increase in spider familial diversity in the Cenozoic. We also add two genera to the extinct pompilid fauna: Tainopompilus Rodriguez and Pitts gen. nov. and Paleogenia Waichert and Pitts gen. nov., and describe three new species of fossil spider wasps: Anoplius planeta Rodriguez and Pitts sp. nov., from Dominican amber (Burdigalian to Langhian); Paleogenia wahisi Waichert and Pitts sp. nov., from Baltic amber (Lutetian to Priabonian); and Tainopompilus argentum Rodriguez and Pitts sp. nov., from Dominican amber (Chattian to Langhian).
The paper provides information concerning the spider hunter wasps (Hymenoptera: Pompilidae) occurring in the Kampinos National Park (Central Poland). Altogether 34 species are listed, and 33 of them were collected as a result of the research carried out in 2000-2004. Eight species are recorded for the first time from the Mazovian Lowland, and 15 are new to the Park.
The paper provides additional information concerning the spider hunting wasps (Hymenoptera: Pompilidae) occurring in the Kampinos National Park (Central Poland). Eight species are added to the list of the species known from the Park, and six are recorded from the Mazovian Lowland for the first time. The specimens were collected during 2004-2006.
Malaise's and Moericke's traps set in a mossy pine forest within the Berezinsky Biosphere Reserve have revealed 18 Pempilidae species and 44 Sphecidae species. The distribution of Pompilidae and Sphecidae in the forest was not uniform and dependent on the heterogeneity of the pine stand and the forest layer. Insects of both families were found to concentrate in the cutting, and Sphecidae, in addition, in the crown.
The paper presents information about the occurrence of 19 species of native aculeate hymenopterans rarely recorded in Poland as well as new records of 1 alien species from the following families: Chrysididae, Mutillidae, Pompilidae, Vespidae, Crabronidae, Sphecidae and Megachilidae (Hymenoptera: Aculeata). The records come from specimens collected in different parts of the country from 1972 to 2011.
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