Bembix olivata Dahlbom, 1845

B. olivata is easily identified by very well developed yellow U-shaped mark (linea quadrata) on the black mesonotum and the black pattern on the abdominal tergites: T1 with black part irregularly triangular immaculate; T2 with 2 black transverse spots, the remaining segments not black-dotted.

This species is illustrated in:
Gess F, Gess S 2014. Geographical distributions of Bembix (Hymenoptera, Crabronidae, Bembicinae) in southern Africa, with notes on biology. Journal of Hymenoptera Research 36: 53–130, doi: 10.3897/JHR.36.6491
https://www.researchgate.net/figure/Bembix-spp-a-namibensis-female-male-b-ochracea-female-male-c-olivata-female_fig9_268818545

Original description in:
Dahlbom AG (1845) Hymenoptera Europaea, praecipue borealia; formis typicus nonnullis specierum generumque exoticorum aut extraneorum propter nexum systematicum associatis – I. Sphex in sensu Linneano.
https://www.biodiversitylibrary.org/item/53743#page/559/mode/1up

Distribution: In southern Africa recorded from the northwestern Namibian coast at Swakopmund south eastwards through Namibia to the southern Kalahari and also from KwaZulu-Natal.

Floral associations: Molluginaceae (Limeum argute-carinatum); Amaranthaceae (Hermbstaedtia odorata); Apiaceae (Deverra denudata); Asteraceae (Geigeria pectidea and Senecio sp.); Scrophulariaceae (Selago dinteri); Zygophyllaceae (Tribulus sp. and Zygophyllum simplex).

iNat observation:
https://www.inaturalist.org/observations/19436565

Publicado el 22 de enero de 2024 por traianbertau