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Protosclerogibba Olmi, Marletta, Guglielmino & Speranza

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera; Superfamily: Chrysidoidea; Family: Sclerogibbidae)

Protosclerogibba Olmi, Marletta, Guglielmino & Speranza, 2016. Type species: Protosclerogibba australis Olmi, Marletta, Guglielmino & Speranza, 2016.

Junior synonym of Herpetosphex Arnold, 1940. Synonymy by Martynova et al 2019.

Protosclerogibba australis Olmi, Marletta, Guglielmino & Speranza, 2016

Distribution

South Africa.

Synonymy

Excerpt from Martynova et al 2019 regarding synonymy (quoted verbatim):

“The genus Protosclerogibba Olmi, Marletta, Guglielmino & Speranza, 2016 was previously assigned to Sclerogibbidae by Olmi et al. (2016). We have compared its type species, P. australis Olmi, Marletta, Guglielmino & Speranza, 2016 (Fig. 4), with the female holotype of Herpetosphex staphylinoides Arnold, 1940 (Pompilidae), collected in Zimbabwe, Victoria Falls, December 1938 (Fig. 5), and deposited in SAMC. This comparison showed that the holotype of P. australis is conspecific with holotype of H. staphylinoides, thus the name P. australis should be synonymized under H. staphylinoides. This synonymy was further proved by comparison of multifocal photos of the holotype of H. staphylinoides and one specimen collected in Botswana, 18 miles NE of Kalkfontein, 12–13.IV.1972 (NHMUK); images were provided by Simon van Noort (Iziko South African Museum, Cape Town, South Africa) (see also http://www.waspweb.org/Vespoidea/ Pompilidae/Pompilinae/). Herpetosphex staphylinoides was originally assigned to Pompilidae by Arnold (1940) and is now actually considered to belong to this family. Olmi et al. (2016) ignored H. staphylinoides, being unaware of the status of this pompilid species, and described the new genus Protosclerogibba and the new species P. australis in the family Sclerogibbidae based on evident morphological characters: metasoma maintained obliquely vertical (as in all sclerogibbid wasps); shape of the forelegs, with profemur strongly enlarged; general habitus typical of sclerogibbid females. On the other hand, it is now clear that the genus has some distinct characters of Pompilidae (Goulet & Huber 1993): hind leg inner tibial spur with row of fine brush-like setae; legs conspicuously elongated. And it also shows some morphological features absent in sclerogibbids: micropterous condition, frons not produced over base of antennae (i.e. antennal toruli not concealed in dorsal view); eyes large, occupying the hind three fourths of the head; palpal formula 6/4; antenna composed of 12 segments (antennal segmentation being within the normal range of Aculeata other than Sclerogibbidae). These differences explain the reasons why Herpetosphex was not previously assigned to Sclerogibbidae and why we provisionally assign Protosclerogibba to Pompilidae, awaiting discovery of the P. australis male and the biology of the species. In conclusion, we propose the following new synonymies: Herpetosphex Arnold, 1940 = Protosclerogibba Olmi, Marletta, Guglielmino & Speranza, 2016, new syn.; Herpetosphex staphylinoides Arnold, 1940 = Protosclerogibba australis Olmi, Marletta, Guglielmino & Speranza, 2016, new syn. “

Biology

Unknown.

References

Martynova KV, Olmi M, Müller P, Perkovsky EE. 2019. Description of the first sclerogibbid wasp (Hymenoptera: Sclerogibbidae) from Burmese (Myanmar) amber and its phylogenetic significance. Journal of Systematic Palaeontology 0: 1-13. https://doi.org/10.1080/14772019.2018.1551250

Olmi, O., Marletta, A., Guglielmino, S. & Speranza, S. 2016. Protosclerogibba australis gen. et sp. nov., new genus and species of sclerogibbid wasps (Hymenoptera: Sclerogibbidae) from South Africa. Zootaxa 4085: 127–134.

Credits

Photographs © Massimo Olmi (Tropical Entomology Research Center).

Map illustration © Simon van Noort (Iziko Museums of South Africa).


Web author Simon van Noort (Iziko South African Museum)

 

Citation: van Noort, S. 2024. WaspWeb: Hymenoptera of the World. URL: www.waspweb.org (accessed on <day/month/year>).

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