Conganteon walkerense Olmi, 2007

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van, 2019, Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea), Zootaxa 4630 (1), pp. 1-619 : 79-81

10. Conganteon walkerense Olmi, 2007

( Figs 24A, B , 27F , 29C )

Conganteon walkerense Olmi 2007b: 202 .

Description. ♀ ( Figs 24A, B ). Fully winged; body length 2.3–2.6 mm. Head black, except mandible and clypeus testaceous (in ♀ from South Africa, 32°57.732’S 18°05.985’E, clypeus black); antenna of holotype testaceous, except antennomeres 7–10 brown; antenna of ♀ paratype brown, except scape and pedicel testaceous; mesosoma black; metasoma brown; legs of holotype testaceous; legs of ♀ paratype testaceous, except coxae and clubs of meso- and metafemora partly brown. Antenna clavate; antennomeres of holotype in following proportions: 8.5:5:8:6:5:4. 5:4.5:4.5:4:6; antennomeres of ♀ paratype in following proportions: 8:5:8.5:6:5:5:4.5:4:4:5. Head of holotype dull, almost completely sculptured by irregular longitudinal keels, except small punctate area in front of anterior ocellus; head of ♀ paratype shiny, punctate, unsculptured among punctures; sides of frons, temple and vertex behind ocellar triangle slightly or strongly rugose or sculptured by irregular keels; frontal line complete; frons without lateral keels; occipital carina complete. In ♀ from Madagascar, 20°47.56’S 47°10.54’E, head dull, with frons granulate and sculp- tured by many irregular longitudinal keels; vertex and temple granulate and reticulate rugose. Head of holotype with POL = 5; OL = 3; OOL = 7; OPL = 4; TL = 10; greatest breadth of lateral ocelli shorter than OL (2:3). Head of ♀ paratype with POL = 6; OL = 3; OOL = 7.5; OPL = 5; TL = 9; greatest breadth of lateral ocelli shorter than OL (2.5:3). Pronotum very short, transverse, reticulate rugose; pronotal tubercle reaching tegula. Mesoscutum punctate, unsculptured among punctures, rugose near anterior margin. In ♀ from Madagascar, 20°47.56’S 47°10.54’E, mesoscutum with anterior half granulate and rugose and posterior half punctate and unsculptured among punctures. Notauli incomplete, reaching approximately 0.6 × length of mesoscutum (0.5 × in ♀ from Madagascar, 20°47.56’S 47°10.54’E). Mesoscutellum and metanotum finely punctate, unsculptured among punctures. Metapectal-propodeal disc reticulate rugose, without transverse posterior keel; propodeal declivity without longitudinal keels. Forewing hyaline, without dark transverse bands; distal part of 2r-rs&Rs vein longer than proximal part (10: 7 in the holotype; 8.5: 8 in ♀ paratype). Protarsomeres of holotype in following proportions: 11:2:3:4.5:10.5; protarsomeres of paratype in following proportions: 11:2.5:2.5:5:11. Enlarged claw ( Fig. 27F ) with 1 small subapical tooth, without bristles or setae. Protarsomere 5 ( Fig. 27F ) with one row of 26–31 lamellae; apex with about 7–12 lamellae. Tibial spurs 1/1/2.

♂. Fully winged; body length 2.1–2.8 mm. Head black, except mandible testaceous (in 2♂♂ from South Africa, 32°58.611’S 18°06.976’E and 33°37.622’S 18°24.259’E, clypeus testaceous); antenna brown; mesosoma black; metasoma brown; legs brown, occasionally with protibia and protarsus testaceous. Antenna filiform; antennomeres in following proportions: 7:4:6.5:7:6:5.5:5:5:4.5:5.5. Antennomere 9 about twice as long as broad: 4.5:2.2. Head shiny, punctate, unsculptured among punctures; sides of frons, temple and vertex behind ocellar triangle usually slightly rugose or sculptured by irregular keels (occasionally smooth, not rugose, not sculptured by irregular keels); frontal line complete; occipital carina complete; POL = 6; OL = 3; OOL = 6; OPL = 5; TL = 8; greatest breadth of lateral ocelli shorter than OL (2.5:3). In ♂ from South Africa, 32°57.732’S 18°05.985’E, frons punctate and slightly granulate among punctures. Pronotum very short, transverse, rugose. Mesoscutum shiny, punctate, unsculptured among punctures, slightly rugose near anterior margin. Notauli incomplete, reaching approximately 0.6 × length of mesoscutum. Mesoscutellum and metanotum shiny, punctate, unsculptured among punctures. Metapectal-propodeal disc reticulate rugose, without transverse posterior keel; propodeal declivity without longitudinal keels. Forewing hyaline, without dark transverse bands; distal part of 2r-rs&Rs vein longer than proximal part (11:7). Genitalia in Fig. 29C . Tibial spurs 1/1/2.

Material examined. Type: ♀ holotype: SOUTH AFRICA: Western Cape, Walker Bay Nature Reserve , 34°27.41’S 19°21.39’E, 11.VIII–6.IX.1997, S. van Noort leg. , SAM-HYM-P024855 ( SAMC). Paratypes: SOUTH AFRICA: Western Cape, Koeberg Nature Reserve , 33°37.62’S 18°24.26’E, 23.I–20.II.1998, YPT, S. van Noort leg. , SAM-HYM-P024853, 1♀ paratype ( SAMC); same locality label, 20.III–19.IV.1998, YPT, S. van Noort leg. , SAM- HYM-P024854, 1♂ ( SAMC); same locality label, 23.I–20.II.1998, YPT, S. van Noort leg. , SAM-HYM-P024853, 1♂ ( SAMC) , 1♂ ( MOLC). Other material: MADAGASCAR: Fianarantsoa, Miandritsara Forest , 40 km S Ambositra, 20°47.56’S 47°10.54’E, 825 m, 18–28.IX.2006, MT, low altitude rainforest, M. Irwin, R. Harin’Hala leg. , MA- 29-62, 1♀ ( CAS); same locality label, 27.XII.2005 – 6.I.2006 , 2♀♀ ( CAS, MOLC). SOUTH AFRICA: Eastern Cape, Pearston, Plains of Camdeboo Game Reserve , 32°32.033’S 25°14.267’E, 969 m, 30.X.2009 – 22.II.2010, MT, Camdeboo Escarpment Ticket, S. van Noort leg. , 1♀ ( SAMC); Eastern Cape, Asante Sana Game Reserve , 32°14.930’S 24°56.975’E, 1642 m, 23.II–7.IV.2010, MT, Southern Karoo Riviere, S. van Noort leg. , 6♀♀ ( SAMC); Northern Cape, Nieuwoudtville, Hantam National Botanical Garden , 31°24.182’S 19°08.587’E, 741 m, 27.VIII–27.X.2009, MT, Nieuwoudtville Shale, Renosterveld, S. van Noort leg. , 1♀, 3♂♂ ( SAMC); same locality label, 31°24.492’S 19°08.978’E, 767 m , 1♂ ( SAMC); same locality label, 31°20.602’S 19°11.695’E, 749 m , 1♀, 2♂♂ ( SAMC); same locality label, 31°24.293’S 19°09.215’E, 758 m , 1♀, 1♂ ( SAMC); same locality label, 31°24.841’S 19°09.551’E, 797 m , 1♀, 1♂ ( SAMC); same locality label, 31°23.802’S 19°08.799’E, 752 m , 1♀, 5♂♂ ( SAMC); Northern Cape, 6.41 km 295° WNW Nieuwoudtville , 31°22.350’S 19°02.752’E, Fynbos 2 Site, 10–13.X.2000, old fynbos on sandstone, MT, S. van Noort leg. , 1♀ ( SAMC); same locality label, 13.X.2000, sweep , 1♀ ( SAMC); Northern Cape, 4.66 km 294° WNW Nieuwoudtville , 31°22.451’S 19°03.845’E, Fynbos 1 Site, 10.X.2000, old fynbos on sandstone, sweep, S. van Noort leg. , 1♀ ( SAMC); Northern Cape, Avontuur Farm , 16 km NW Nieuwoudtville, 1°16.249’S 19°02.900’E, 764 m, 27.VIII–27.X.2009, YPT, Bokkeveld Sandstone Fynbos, S. van Noort leg. , 1♂ ( SAMC); same locality label, MT , 1♀ ( SAMC); Northern Cape, Swaarweerberg, Vredehoek Farm , 32°26.387’S 20°34.501’E, 1613 m, 29.VII– 30.IX.2010, MT, Succulent Karoo, S. van Noort leg. , 2♂♂ ( SAMC); same locality label, 29.VIII–28.X.2009 , 1♀ ( SAMC); same locality label, 28.X.2009 – 9.II.2010 , 1♀ ( SAMC); Western Cape, Worcester , 17–31.VIII.1928, R.E. Turner leg. , 1♂ ( NHMUK); Western Cape, Montagu , 23–30.IX.1924, R.E. Turner leg. , 1♂ ( NHMUK); Western Cape, West Coast Fossil Park , 5 km 290° E Langebaanweg, 32°57.732’S 18°05.985’E, 16–23.X.2002, MT, rehabilitated mine dump, S. van Noort leg. , 1♀, 6♂♂ ( SAMC); same locality label, 9–16.X.2002 , 2♂♂ ( SAMC); same locality label, 11–18.IX.2002 , 1♀, 7♂♂ ( SAMC); same locality label, 18–25.IX.2002 , 2♀♀, 7♂♂ ( SAMC); same locality label, 4–11.IX.2002 , 1♀, 3♂♂ ( SAMC); Western Cape, Langberg Farm , 3 km 280° W Langebaanweg, 32°58.045’S 18°07.418’E, 18–25.IX.2002, MT, Sand Plain Fynbos, S. van Noort leg. , 8♂♂ ( SAMC); same local- ity label, 4–11.IX.2002 , 2♂♂ ( SAMC); Western Cape, Anyskop Farm , 4 km 270° W Langebaanweg, 32°58.611’S 18°06.976’E, 11–18.IX.2002, MT, Fynbos on Limestone, S. van Noort leg. , 7♂♂ ( SAMC); same locality label, 18–25.IX.2002 , 7♂♂ ( SAMC); Western Cape, Gamkaberg Nature Reserve , 33°43.745’S 21°56.972’E, 1000 m, 31.VII–10.IX.2009, MT, Renosterveld, S. van Noort leg. , 1♂ ( SAMC); Western Cape, Gamkaberg Nature Reserve , 33°39.514’S 21°53.947’E, 322 m, 24.VII–4.X.2010, MT, Gamka Thicket, GB 09-SUC4-M44, S. van Noort leg. , 1♂ ( SAMC); Western Cape, Cape Town, Constantiaberg, above Donkerboskloof , 34°2.175’S 18°23.528’E, 460 m, 19.IX–10.X.1995, MT, Mesic Fynbos with kloof forest elements, S. van Noort leg. , 2♀♀ ( SAMC, MOLC) , 7♂♂ (6 in SAMC, 1 in MOLC); Western Cape, Cape Town, Constantiaberg, above Donkerboskloof , 34°02’S 18°23.30’E, 460 m, 29.VIII.1995, sweep, Mesic Mountain Fynbos near stream, Halleria lucida present, S. van Noort leg. , 1♂ ( SAMC); Western Cape, Koeberg Nature Reserve , 33°37.62’S 18°24.26’E, 5.IX–3.X.1997, MT, S. van Noort leg. , 1♂ ( SAMC); Western Cape, Koeberg Nature Reserve , 33°37.622’S 18°24.259’E, 3–31.X.1997, MT, West Coast Strandveld, S. van Noort leg. , 1♀ ( SAMC); same locality label, 27.XII.1997 – 23.I.1998 , 1♀ ( SAMC); same local- ity label, 16.V–13.VI.1997 , 3♂♂ ( SAMC); same locality label, 11.VII–8.VIII.1997 , 2♂♂ ( SAMC); same locality label, 8.VIII–5.IX.1997 , 9♂♂, 3♀♀ ( SAMC); same locality label, 5.IX–3.X.1997 , 58♂♂, 33♀♀ ( SAMC); same locality label, 8.VIII–5.IX.1997 , 43♂♂, 30♀♀ ( SAMC); Western Cape, Banghoek Valley, Dwarsriviershoek Farm , 33°56.232’S 18°57.711’E, 410 m, 8.VIII–2.X.2013, MT, Burnt Mesic Mountain Fynbos, BH 12-FYN3-M12, S. van Noort leg. , 4♀♀ ( SAMC); same locality label, 23.VIII–28.IX.2012, BH12-FYN3-M02 , 2♀♀ ( SAMC); same locality label, 2–20.X.2013, BH12-FYN3-M13 , 2♀♀ ( SAMC); same locality label, 3–25.IV.2013, BH12-FYN3- M07 , 2♀♀ ( SAMC); Western Cape, Banghoek Valley, Dwarsriviershoek Farm , 33°56.824’S 18°58.123’E, 400 m, 12.IX–7.X.2014, MT, Burnt Mesic Mountain Fynbos, BH 12-FYN6-M21, S. van Noort leg. , 1♀, 1♂ ( SAMC) .

Hosts. Unknown.

Distribution. Madagascar, South Africa.

Figures

FIGURE 24. Conganteon walkerense Olmi, ♀ holotype in dorsal (A) and lateral (B) view. Conganteon fisheri Olmi, ♀ holotype (C) and ♂ paratype (D) in dorsal view. Conganteon lymanorum Olmi, Copeland & Guglielmino, ♀ holotype in lateral view (E). Scale bar: C: 3.78 mm; D: 3.13 mm; E: 2.49 mm.

FIGURE 27. ♂ genitalia (A–E) and chela (F) of Conganteon species. A: C. hawleyi Olmi, Copeland & van Noort sp. nov, holotype; B: C. kolyadai Olmi, paratype from South Africa, East London; C: C. fisheri Olmi, paratype; D: C. sensitivum Olmi, Copeland & van Noort sp. nov., holotype; E: C. townesi Olmi, ♂ from Madagascar, 23°10.78’S 43°37.01’E; F: C. walkerense Olmi, holotype. Scale bar: A: 0.11 mm; B, D: 0.14 mm; C: 0.16 mm; E: 0.13 mm; F: 0.05 mm.

FIGURE 29. ♂ genitalia of Conganteon species. A: C. vannoorti Olmi, holotype; B: C. vulcanicum Benoit, ♂ from Kenya, 2°27.90’S 37°54.91’E; C: C. walkerense Olmi, paratype. D: Chela of Fiorianteon sp. E: ♂ genitalia of Fiorianteon sulcatum Guglielmino, Olmi, Marletta & Speranza, holotype (left half removed). Scale bar: A: 0.11 mm; B: 0.09 mm; C: 0.10 mm; D: 0.89 mm; E: 0.07 mm.