New data on the Palaearctic digger wasps (Hymenoptera: Sphecidae, Crabronidae)

Abstract

An annotated list of ten species of digger wasps from ten genera is given. The lectotype of Plenoculus murgabensis (Gussakovskij, 1928) is designated; this species is newly recorded from Kalmykia (Russia) and Uzbekistan.

New data on digger wasps of the family Crabronidae (Hymenoptera: Apoidea) from Omsk Province, Russia

“…1. The number of species of Crabronidae recorded from regions of Russia (according to Antropov et al, 2017, Jacobs, Liebig, 2018, Mokrousov et al, 2019, 2020a, 2020b, Akulov et al, 2020. The administrative regions are abbreviated as in Antropov et al (2017)…”

New records of digger wasps (Hymenoptera: Crabronidae) from Altai, with taxonomical notes on Crossocerus mongolensis Tsuneki, 1972, stat.n.

“…The present paper is a part of the ongoing research of digger wasps (Spheciformes) of the territory of Russia [Mokrousov et al, 2019[Mokrousov et al, , 2020Akulov et al, 2020;Mokrousov, Proshchalykin, 2021]. It contains new results of a faunistic study of this group in the Altai, a subregion located on the territory of two administrative units in the Asian part of Russia -Altai Territory and the Altai Republic.…”

First record of the Nearctic blue mud-dauber wasp Chalybion californicum (de Saussure, 1867) from Hungary (Hymenoptera: Sphecidae)

“…A similar species, Chalybion omissum (Kohl, 1889), is expected to occur in Hungary by area expansion from the Balkan Peninsula (Vas & Józan 2014); Chalybion californicum can be readily distinguished from this species by its entirely dark wings (wings more or less infuscate but never entirely dark in Chalybion omissum). However, as recently at least three other, rather similar, non-native Chalybion species have been introduced to Europe (Mei et al 2012, Mokrousov et al 2019, Demetriou et al 2021, these species should also be taken into consideration. Therefore, reliable identifications of further specimens from Hungary should also be based on the world revision by Hensen (1988).…”