Epeolus transitorius Eversmann, 1852

Astafurova, Yulia V. & Proshchalykin, Maxim Yu., 2024, Catalogue and identification key of the bee genus Epeolus Latreille, 1802 (Hymenoptera, Apidae) from the Palaearctic region, Zootaxa 5453 (2), pp. 183-213 : 201

43. Epeolus transitorius Eversmann, 1852

( Figs 62 , 79 )

Epeolus transitorius Eversmann, 1852: 102 , ♀, (lectotype: ♀, designated by Le Divelec 2021: 16, Kazakhstan, Atyrau Province, Indersk district; ZISP).

Other notable publications. Bischoff 1930: 12 (descriptive note); Le Divelec 2021: 15–18 (diagnosis, reredescription, description of male, figures); Astafurova & Proshchalykin 2022b: 193, 196, 207–210 (key, morphological differences, variation, figures).

Remarks. The species concept in Bogusch & Hadrava (2018: 43) is unclear, they were most likely dealing with Epeolus julliani , but the data could of course include both E. transitorius and E. julliani (see Le Divelec 2021).

Host (s). Unknown.

Distribution. Greece, Georgia, Ukraine, Russia (south of European part, south Ural, SW Siberia), Kazakhstan, Uzbekistan, Tajikistan ( Astafurova & Proshchalykin 2023).

Figures

FIGURES 61–70. Epeolus Latreille, habitus, dorsal view. 61—E. tibetanus Meade-Waldo, ♀; 62—E. transitorius Eversmann, ♀; 63—E. tsushimensis Cockerell, ♀; 64, 65—E. turcicus Bogusch (64–♀, 65–♂); 66, 67—E. variegatus (Linnaeus) (66–♀, 67–♂); 68—E. vinogradovi Popov, ♀; 69, 70—E. warnckei Bogusch (69–♀, 70–♂). Figure 61 by J. Monks (image is copyright of the Trustees of The Natural History Museum, London and reproduced here with permission); figures 64, 65, 69, 70 by P. Bogusch.

FIGURES 77–85. Epeolus Latreille. 77—angle between scutellum and propodeum, lateral view (E. siculus Giordani Soika, ♀); 78, 79—thorax, ventral view (78—E. rasmonti Astafurova & Proshchalykin, ♀; 79—E. transitorius Eversmann, ♀); 80, 81—metasoma, ventral view (80—E. melectiformis Yasumatsu, ♂; 81—E. tarsalis Morawitz, ♂); 82—S4–S5, lateral view (E. variegatus (Linnaeus), ♀); 83, 84—gonostylus, lateral view (83—E. asiaticus Astafurova & Proshchalykin, ♂; 84—E. cruciger (Panzer), ♂); 85—pygidial plate, dorsal view (E. subrufescens Saunders, ♂).