undulatum (Abeille de Perrin, 1879)

Ostrovsky, A. M., 2022, On The Fauna Of Gasteruptiid Wasps (Hymenoptera, Evanioidea, Gasteruptiidae) Of Belarus, Zoodiversity 56 (3), pp. 189-194 : 192

Gasteruption undulatum (Abeille de Perrin, 1879)

M a t e r i a l e x a m i n e d. Belarus: Gomel Region: Bragin District, vil. Gden' , 51°20'36" N, 30°26'37" E ,

105 a. s. l., on wall of abandoned log house, 27.07.2020, 1 ♀ (Ostrovsky).

D i s t r i b u t i o n. Western Palaearctic species.Europe: Austria, Belgium, Bulgaria, Croatia, Czech Republic, Finland, France + Corsica, Germany, Greece, Hungary, Italy + Sardinia, Netherlands, Poland, Portugal, Serbia, Slovakia, Spain, Switzerland, Turkey and Ukraine ( Šedivý, 1958; Madl, 1990; Pagliano & Scaramozzino, 2000; Achterberg, 2013; Strumia & Pagliano, 2014; Achterberg & Talebi, 2014; Žikić et al., 2014; Ceccolini, 2016; Madl & Mitroiu, 2019; Wiśniowski, 2020; Bogusch, 2021). Recorded in Asia from Kazakhstan, Kyrgyzstan, Tajikistan, Turkey and Uzbekistan ( Achterberg & Talebi, 2014; Özbek, 2020; Bogusch, 2021). Also known from Algeria and Iran ( Achterberg, 2019). Belarus (first record).

Notes. Recorded from June to September. Biology poorly known. Hosts unknown, possibly parasitizing nests of smaller bees of Colletidae (Hylaeus) and Megachilidae . This species is restricted to warmer regions where is locally numerous. Adults visit flowers of Apiaceae plants, it is numerous on Falcaria vulgaris Bernh. ( Bogusch, 2021) ; Wall (1994) reported occurrence on flowers of Dorycnium herbaceum Vill. (Fabaceae) .