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Sceliotrachelus midgleyi van Noort

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera; Superfamily: Platygastroidea; Family: Platygastridae; Subfamily: Sceliotrachelinae; Genus: Sceliotrachelus)

Sceliotrachelus midgleyi van Noort, 2021. Holotype ♀ in Iziko South African Museum, Cape Town (SAMC). Type locality: SOUTH AFRICA ♀; Eastern Cape, Asante Sana Game Reserve, Zuurkloof; S32 17.092 E25 00.521; 1204 m; 18-25 Nov 2009; J. Midgley; T2S1c; Pitfall trap; Camdeboo Escarpment Thicket; Acacia thicket; next to river bed with larger trees; SAM-HYM-P046650.


Holotype female SAM-HYM-P046650 (SAMC)


Paratype female SAM-HYM-P036025 (SAMC)


A, B female paratype (SAMC) (SAM-HYMP036025) CF male paratype (SAMC) (SAM-HYM-P040645a) A propodeal, tergal and sternal foamy structures, lateral view B fore wing (inset: data labels) C habitus, dorsal view (inset: data labels) D head, anterior view E head, mesosoma, lateral view F head, mesosoma, dorsal view.


AC male paratype (SAMC) (SAM-HYM-P036030) DF female paratype (SAMC) (SAM-HYM-P046654B) A habitus, dorsal view B habitus, lateral view C habitus, ventral view D habitus, dorsal view E habitus, lateral view F habitus, ventral view.


Female paratype SEM photos (SAMC) (SAMHYM-P036030) A clypeus, mandibles, anterolateral view B occiput, dorso-posterior view C mesosoma, dorsal view D mesosoma, dorso-lateral view E mesopleuron, propodeum, T1, lateral view F propodeum, hind coxa, T1, dorsolateral view G T1-2, dorsolateral view H hind tibial spurs.


Distribution

South Africa: Eastern Cape Province.

 

Additional material.

SOUTH AFRICA 3♀♀, 1♂; Eastern Cape, Asante Sana Game Reserve, buttress between Waterkloof and Zuurkloof; S32 16.932 E24 58.795; 1401 m; 18-25 Nov 2009; J. Midgley; T1S1e; Pitfall trap; Camdeboo Escarpment Thicket, Open habitat, low shrubs and mat forming wild carnation, scattered grass; SAM-HYM-P036025A-D (SAMC) 1♀ idem except for SAM-HYM-P038230 (SAMC) 4♀♀; idem except for SAM-HYM-P046654 (SAMC) 1♂; Asante Sana Game Reserve, Zuurkloof; S32 17.099 E25 00.527; 1207 m; 18-25 Nov 2009; J. Midgley; T2S1e; Pitfall trap; Camdeboo Escarpment Thicket; Acacia thicket; next to river bed with larger trees SAM-HYM-P036026; SAM-HYM-P046646; SAM-HYM-P046649 (SAMC) 2♀♀; Asante Sana Game Reserve, Zuurkloof; S32 16.461 E25 00.067; 1406 m; 18-25 Nov 2009; J. Midgley; T2S2c; Pitfall trap; Camdeboo Escarpment Thicket; Mixed thicket with some small shrubs and larger trees; sparse grass; SAM-HYM-P036028 (SAMC) 2♀♀; 1♂; idem except for SAM-HYM-P046648 (SAMC) 1♂; Asante Sana Game Reserve, buttress between Waterkloof and Zuurkloof; S32 17.003 E24 58.298; 1202 m; 18-25 Nov 2009; J. Midgley; T1S5d; Pitfall trap; Camdeboo Escarpment Thicket; Acacia thicket; stony ground; SAM-HYM-P036030 (SAMC) 1♂; Asante Sana Game Reserve, Waterkloof; S32 15.692 E24 57.095; 1415 m; 18-25 Nov 2009; J. Midgley; T3S1d; Pitfall trap; Camdeboo Escarpment Thicket; Mixed grass (low mat forming and tall) and small trees SAM-HYM-P036031 (SAMC) 1♀; Asante Sana Game Reserve, Zuurkloof; S32 16.011 E25 00.244; 1621 m; 18-25 Nov 2009; J. Midgley; T2S3d; Pitfall trap; Camdeboo Escarpment Thicket; Tall grass stands with scattered oubos and scattered other shrubs; SAM-HYM-P036032 (SAMC) 1♀; Asante Sana Game Reserve, buttress between Waterkloof and Zuurkloof; S32 16.934 E24 58.801; 1400 m; 18-25 Nov 2009; J. Midgley; T1S1d; Pitfall trap; Camdeboo Escarpment Thicket; Open habitat; low shrubs and mat forming wild carnation; scattered grass; SAM-HYM-P036033 (SAMC) 1♀; Asante Sana Game Reserve, Zuurkloof; S32 16.463 E25 00.062; 1407 m; 18-25 Nov 2009; J. Midgley; T2S2d; Pitfall trap; Camdeboo Escarpment Thicket; Mixed thicket with some small shrubs and larger trees; sparse grass; SAM-HYM-P036034 (SAMC) 2♀♀; Asante Sana Game Reserve; buttress between Waterkloof and Zuurkloof; S32 16.363 E24 58.989; 1793 m; 18-25 Nov 2009; J. Midgley; T1S3e; Pitfall trap; Camdeboo Escarpment Thicket; Steep rocky slope; dense shrubs (50cm high) little to no grass; SAM-HYM-P040038 (SAMC) 1♂; Asante Sana Game Reserve, buttress between Waterkloof and Zuurkloof; S32 16.580 E24 58.942; 1618 m; 18-25 Nov 2009; J. Midgley; T1S2a; Pitfall trap; Camdeboo Escarpment Thicket; Steep slope; mostly small shrubs; fynbos; with some grass tussocks; SAM-HYM-P046643 (SAMC) 1♂; Asante Sana Game Reserve, Zuurkloof; S32 16.462 E25 00.054; 1413 m; 18-25 Nov 2009; J. Midgley; T2S2e; Pitfall trap; Camdeboo Escarpment Thicket; Mixed thicket with some small shrubs and larger trees; sparse grass; SAM-HYM-P046644 (SAMC) 2♂♂; idem except for SAM-HYM-P046645 (SAMC) 1♀; 1♂; Asante Sana Game Reserve, Waterkloof; S32 16.994 E24 56.311; 1205 m; 18-25 Nov 2009; J. Midgley; T3S6e; Pitfall trap; Camdeboo Escarpment Thicket; Acacia thicket; SAM-HYM-P046647; SAM-HYM-P046655 (SAMC) 1♀; Asante Sana Game Reserve, buttress between Waterkloof and Zuurkloof; S32 16.370 E24 58.986; 1805 m; 18-25 Nov 2009; J. Midgley; T1S3c; Pitfall trap; Camdeboo Escarpment Thicket; Steep rocky slope; dense shrubs (50cm high) little to no grass; SAM-HYM-P046651 (SAMC) 1♀; Asante Sana Game Reserve, Zuurkloof; S32 16.462 E25 00.084; 1412 m; 18-25 Nov 2009; J. Midgley; T2S2a; Pitfall trap; Camdeboo Escarpment Thicket; Mixed thicket with some small shrubs and larger trees; sparse grass; SAM-HYM-P046652 (SAMC) 1♀; Asante Sana Game Reserve, Waterkloof; S32 16.993 E24 56.325; 1197 m; 18-25 Nov 2009; J. Midgley; T3S6c; Pitfall trap; Camdeboo Escarpment Thicket; Acacia thicket; SAM-HYM-P046653 (SAMC) (van Noort et al. 2021).

Diagnosis

This species is immediately distinguishable by the brachypterous wings, which have a unique colour pattern, are extremely narrow, 4x longer than wide, and do not extend beyond the posterior margin of tergite 2. It shares the lack of the occipital pit, presence of long setae on the pronotum, and presence of strong microtrichiae with S. braunsi, but does not have rugae present on the genae and pronotum as in S. braunsi; has a wider mesoscutum (twice as wide as long, as opposed to 2.5x in S. braunsi); a distinctive mesoscutellar disc which is square in shape and medially and longitudinally evenly raised into a hump, laterally defined by strongly raised longitudinal axillar carinae; and the costal margin of hind wing is not sclerotized as in S. braunsi (van Noort et al. 2021).

Etymology

Named in honour of John Midgley, who first collected specimens of the new species as part of his PhD project (van Noort et al. 2021).

Biology

Unknown.

References

Brues, C.T. 1908. Hymenoptera. Fam. Scelionidae. Genera Insectorum 80: 1-59.

Masner. L. 1964. Remarks on Sceliotrachelus Brues and allied genera (Hymenoptera, Platygasteridae). Psyche, 71: 8-11.

Masner L. & Huggert, L. 1989. World review and keys to genera of the subfamily Inostemmatinae with reassignment of the taxa to the Platygastrinae and Sceliotrachelinae (Hymenoptera: Platygastridae). Memoirs of the Entomological Society of Canada, 147: 1-214.

van Noort S, Lahey Z, Talamas EJ, Austin AD, Masner L, Polaszek A, Johnson NF 2021. Review of Afrotropical sceliotracheline parasitoid wasps (Hymenoptera, Platygastridae). In: Lahey Z, Talamas E (Eds) Advances in the Systematics of Platygastroidea III. Journal of Hymenoptera Research 87: 115222. https://doi.org/10.3897/jhr.87.73770

Credits

Photographs and map illustration Simon van Noort (Iziko Museums of South Africa), or  Elijah Talamas (Florida).


Web author Simon van Noort (Iziko South African Museum)

 

Citation: van Noort, S. 2023. WaspWeb: Hymenoptera of the Afrotropical region. URL: www.waspweb.org (accessed on <day/month/year>).

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