Bembecinus hungaricus (Frivaldszky, 1876)

Stetsun, Halyna, 2021, Superimposition of the sting morphological characters on the dendrogram of Apoidea with emphasis on Crabronidae s. str. (Insecta: Hymenoptera): first steps, Journal of Natural History 54 (31 - 32), pp. 1957-1972 : 1959

publication ID

https://doi.org/ 10.1080/00222933.2020.1837275

persistent identifier

https://treatment.plazi.org/id/03A787DE-616C-9B75-CD80-3F67FE0AFAC1

treatment provided by

Carolina

scientific name

Bembecinus hungaricus
status

 

Bembecinus hungaricus View in CoL ( Figure 1 View Figure 1 )

The lateral parts of tergite 9 are dorsally connected with a sclerotised bridge and have no membranous incisions ( Figure 1a,b View Figure 1 ). The 2nd valvula is slightly curved ventrally ( Figure 1d View Figure 1 ). The lateral surface of the 1st valvula bears a single apical barb ( Figure 1j View Figure 1 ). The valvillus comprises two closely adjoined flaps ( Figure 1i View Figure 1 ). There is no ventral process at the base of the 1st valvula ( Figure 1h View Figure 1 ). The rostral process bears the row of trichoid sensilla along the fusion line with the 2nd ramus ( Figure 1e View Figure 1 ). The lateral wall of the 3rd valvula consists of proximal and distal sclerites (lobes) connected with a membrane ( Figure 1f View Figure 1 ). The apical cone-shaped process of the 3rd valvula is prominent, displaced proximally, transparent under the light microscope ( Figure 1g View Figure 1 ). The dorsal arm of the furcula is long and wide, keel-shaped, whereas ventral arms are shorter and narrower ( Figure 1c View Figure 1 ). Observed under the light microscope, most of the area of the dorsal arm of the furcula seem almost transparent and very delicate.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Crabronidae

Genus

Bembecinus

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