Netomocera africana Hedqvist, 1971,
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|Netomocera africana Hedqvist, 1971|
Netomocera africana Hedqvist, 1971: 238 (holotype (♀) in BMNH, examined).
Macropterous ( Figs 1View Figs 1–5, 10View Figs 6–11). Mesepimeral sulcus conspicuous ( Fig. 6View Figs 6–11). Propodeum with a well-defined V-shaped area basally ( Fig. 8View Figs 6–11). Visible part of petiole quadrate, with a few conspicuous longitudinal carinae ( Fig. 8View Figs 6–11).
Occiput margin blunt ( Fig. 3View Figs 1–5). Eye height 1.35–1.50 × length. Toruli with lower margins from slightly below to about same level as lower margins of eyes ( Fig. 2View Figs 1–5). Scape from very slightly shorter than to as long as eye height.
Toruli with lower margins at about same level as lower margins of eyes.
SOUTH AFRICA • ♀; “ Holotype ”; “ Port St. John , Pondoland. 6-25. Feb. 1924 ”; “ S. Africa. R. E. Turner. Brit. Mus. 1924-136”; “ HOLOTYPUS Netomocera africana sp. n., K-J Hedqvist det. 1971”; “B.M. TYPE HYM. 5.2256”; BMNH 5.2256.
SOUTH AFRICA • 1 ♀; “ Paratype ”; “ Port St. John , Pondoland. 6-25. Feb. 1924 ”; “ S. Africa. R. E. Turner. Brit. Mus. 1924-136”; “ PARATYPUS Netomocera africana sp. n., K-J Hedqvist det. 1971”; BMNH • 1 ♂; same data as for preceding; BMNH • 2 ♀♀; same data as for preceding; “ Dec. 1923 ”; BMNH .
SOUTH AFRICA • 2 ♀♀; “ Port St. John , Pondoland. 6-25. Feb. 1924 ”; “ S. Africa. R. E. Turner. Brit. Mus. 1924-136”; NMPC • 1 ♂; same collecting data as for paratypes; BMNH • 3 ♂♂; same collecting data as for preceding; NMPC • 2 ♂♂; “ Port St. John , Pondoland. June 12-30. 1923 ”; “ S. Africa. R. E. Turner. Brit. Mus. 1923-363”; NMPC • 1 ♂; “ South Africa , TVL., Entabeni Forest Res., Soutpansberg, 23.00S 30.16E. 3-7.xi.1980, G. L. Prinsloo ”; “National Coll. Of Insects Pretoria, S. Afr.”; NMPCGoogleMaps .
Female (habitus: Fig. 1View Figs 1–5)
COLOUR. Head ( Figs 2–4View Figs 1–5) black. Mandibles reddish-brown. Antenna ( Fig. 5View Figs 1–5) with scape mainly whitish, light brown apically; pedicel light brown; funicle with fu1–3 yellowish, fu4–7 and clava dark brown. Mesosoma ( Figs 6–8View Figs 6–11) dorsally black, dark brown laterally. Legs with fore and mid coxae brown, hind coxa mainly whitish but brownish dorsally; fore and mid trochanters, trochantelli and femora brown, hind trochanter and trochantellus whitish, hind femur brown except apices whitish; tibiae yellowishbrown, apices lighter; tarsi whitish, pretarsi brown. Fore and hind wings slightly and uniformly infumate; venation brown; setation brown. Metasoma with petiole dark brown ( Fig. 8View Figs 6–11); gaster mainly dark brown, sometimes paler between gt2 and syntergum. Body setation, including large, symmetrically arranged setae, mainly brown, except with whitish setae on mesoscutal lateral lobes ( Fig. 7View Figs 6–11).
BODY LENGTH. 2.5–3.2 mm.
HEAD. Clypeus finely coriaceous ( Fig. 4View Figs 1–5); apical margin very slightly produced. Lower face with shallow piliferous punctures among reticulation. Upper face reticulate, with reticulation becoming denser towards vertex; scrobes moderately deep, smooth; parascrobal area with elongate cells ( Fig. 2View Figs 1–5). Occiput alutaceous; margin blunt ( Fig. 3View Figs 1–5). Toruli with lower margins from slightly below to about same level as lower margins of eyes ( Fig. 2View Figs 1–5). Antenna ( Fig. 5View Figs 1–5) with funicle strongly widening towards clava, with clava conspicuously asymmetric. Upper face and vertex with eight large setae. Head in dorsal view with width about twice length in dorsal view and in frontal view about 1.2× height. POL about 3.1× OOL. Eye height 1.5 × length, about 3.3× malar space and about 1.1 × scape length. Head width about 0.9× length of pedicel plus flagellum. Fu1 length about 2.1 × width; fu7 width about 1.9 × length; clava length about 2.1 × width.
MESOSOMA. Pronotal collar conspicuously narrower than mesoscutum, with six–eight large setae ( Fig. 7View Figs 6–11). Mesonotum moderately setose dorsally ( Fig. 7View Figs 6–11). Mesoscutum and axillae with dense reticulation. Scutellar disc similarly sculptured as mesoscutum and longitudinally striate-reticulate on frenal area ( Fig. 7View Figs 6–11). Mesepisternum transversely striate-reticulate. Mesepimeron very superficially wrinkled; mesepimeral sulcus well developed ( Fig. 6View Figs 6–11). Propodeum with intricate pattern of carinae forming a V-shaped area anteriorly and two large, smooth areas posterior and lateral to it; interspaces smooth to slightly wrinkled ( Fig. 8View Figs 6–11). Macropterous; fore wing ( Fig. 9View Figs 6–11) uniformly and densely setose except for small, elongate bare region. Mesosoma length 1.5× width and about 1.7 × height. Pronotal collar about 0.5× as long as mesoscutum and about 0.9× as wide as mesoscutum. Mesoscutum width 2.9× length. Scutellum length about equal to width. Propodeum length about 0.5× scutellum length. Fore wing length about 2.5× width; MV about 5 × SV and 3.3 × PV.
METASOMA. Petiole ( Fig. 8View Figs 6–11) large, visible part quadrate, with several longitudinal costulae. Gaster ( Fig. 1View Figs 1–5) acuminate, length about 2.5× width; gt1 longest, length about equal to width, with hind margin broadly emarginate; gt2–5 short, transverse; gt6 wider than long, triangular; syntergum acutely pointed. Ovipositor sheaths conspicuously protruding beyond apex of gaster ( Fig. 1View Figs 1–5). Cercal setae almost reaching gaster apex.
Male (habitus: Fig. 10View Figs 6–11)
Differs from female mainly as follows. Body length: 2.25–2.50 mm. Antenna ( Fig. 11View Figs 6–11) with scape yellowish-brown; pedicel brown; flagellum dark brown. Coxae brown. Fu1 length about 3.1× width; combined length of pedicel plus flagellum about 2.1× head width. Propodeum more densely sculptured, with V-shaped area less conspicuous and smooth posterior areas indistinct. Petiole with visible part transverse. Gaster (when not inflated) much shorter than mesosoma, with only gt1 visible.
This species, together with N. alboscapus , N. nigra and N. maculata (the latter two very similar to each other and not treated here), belong to a small group of species with Afrotropical and Oriental distributions, which are easily recognized by the well-developed petiole and a V-shaped area on the propodeum, which is more distinct in females ( Fig. 8View Figs 6–11). Netomocera africana differs from both N. nigra and N. maculata in having the face only slightly protruding at the level of the toruli ( Fig. 1View Figs 1–5); mesoscutum and scutellum (except frenum) strongly reticulate, appearing dull ( Fig. 7View Figs 6–11); scape about as long as eye height ( Fig. 2View Figs 1–5); fore wing hyaline ( Fig. 9View Figs 6–11); mesosoma uniformly dark brown ( Fig. 1View Figs 1–5); clava brown ( Fig. 5View Figs 1–5). For differences between N. africana and N. alboscapus , see the key.
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