Elginus vulgaris, Stiller, M., 2009

Stiller, M., 2009, Revision of Elginus Theron (Hemiptera: Cicadellidae: Deltocephalinae) with the description of two new genera and comments on the grassland leafhopper fauna in South Africa, Zootaxa 2135 (1), pp. 1-56: 29-30

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http://doi.org/ 10.11646/zootaxa.2135.1.1

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scientific name

Elginus vulgaris


Elginus vulgaris   sp.n.

( Figs 44 View FIGURES 41–46 , 77 View FIGURES 51–77 , 104 View FIGURES 78–104 , 130 View FIGURES 105–130 , 156 View FIGURES 131–156 , 179 View FIGURES 157–179 , 205 View FIGURES 180–205 , 232 View FIGURES 206–232 , 258 View FIGURES 233–258 , 273 View FIGURES 259–273 )

Diagnosis. Aedeagal shaft with narrow apex, deflected to one side. Plate with medial margins widely separated.

Etymology. Latin, found everywhere, for the wide distribution of this species.

Dimensions. Male (n = 105). Lengths: apex of vertex to apex of tegmina 3.4–3.8 mm, apex of vertex to apex of abdomen 3.0– 3.4 mm; vertex medially 0.5–0.6 mm; vertex laterally next to eye 0.3–0.4 mm; pronotum medially 0.4 mm; scutellum medially 0.3–0.4 mm. Maximum widths: head 1.0– 1.1 mm; pronotum 0.8–0.9 mm; scutellum 0.4–0.5 mm. Ocellus: diameter 26–30 µm; ocellocular distance 45–62 µm.

Colour. Male. Fig. 44 View FIGURES 41–46 .

Abdominal apodemes. Male. Fig. 273 View FIGURES 259–273 .

Genital capsule. Male. Aedeagal shaft tubular, almost straight, apical third less than half width of shaft, deflected exclusively left; short, 1.5 times as long as dorsal apodeme; gonopore lateral, right side ( Figs 77 View FIGURES 51–77 , 104 View FIGURES 78–104 ). Connective as in Fig. 130 View FIGURES 105–130 . Plate apex pointed; medial margins separated by about 60°; dorsally with medial sclerotization; setation usually uniseriate, variable (3–6) ( Fig. 156 View FIGURES 131–156 ). Pygofer lobe broadly rounded ( Figs 179 View FIGURES 157–179 , 205 View FIGURES 180–205 ). Style apophysis straight, sometimes protruding beyond medial margin of plate; apophysis 0.5 times as long as median arm ( Fig. 232 View FIGURES 206–232 ).

Dimensions. Female (n = 59). Lengths: apex of vertex to apex of tegmina 3.4–3.8 mm, apex of vertex to apex of abdomen 3.5–3.8 mm; vertex medially 0.6 mm; vertex laterally next to eye 0.4 mm; pronotum medially 0.4 mm; scutellum medially 0.3–0.4 mm. Maximum widths: head 1.0– 1.1 mm; pronotum 0.9–1.0 mm; scutellum 0.5–0.6 mm. Ocellus: diameter 28 µm; ocellocular distance 47–64 µm.

Genital capsule. Female. Sternite VII with variably deep notch, sometimes with 4 circular sclerotized areas, laterally always with fine pubescence ( Fig. 258 View FIGURES 233–258 ). Third valvula with 2 longer macrosetae. Second valvula smooth.

Material examined. Holotype male. South Africa, Free State. Wonderwater Strip Mine Sasolburg, 26°46ʹS 27°48ʹE, 1460 m, DVac, 11.xii.1997, M. Stiller, wetland near Wonderfontein spring, natural moist grassland recently disturbed, perched water table (common: Arundinella nepalensis   , Pennisetum thunbergii   , Aristida junciformis subsp. junciformis   , Leersia hexandra   ( Poaceae   )) ( SANC). Paratypes (118♂, 92♀, 4 nymphs). Free State. 2♂, 1♀, Ficksburg, 28°53ʹS 27°53ʹE, 30.i.1981; 4♂, 6♀, Fouriesburg, 28°37ʹS 28°13ʹE, 30.i.1981; 3♂, 3♀, Warden, 27°56ʹS 29°00ʹE, 30.i.1981; all J.G. Theron; 11♂, 7♀, ibid. holotype; 4♂, 10♀, ibid. holotype, but 11.ii.1998; mine entrance garden, translocated rehabilitation, seasonally wet marshland; natural moist grassland, perched water table; old game park, seasonally wet marshland; 3♀, ibid. holotype, but 5.v.1998; near west berm, seeded rehabilitation, Eragrostis curvula   ( Poaceae   ) common; 3♂, 3♀, ibid. holotype, but 11.xi.1998; entrance garden, translocated rehabilitation; natural grassland; 8♂, 4♀, ibid. holotype, but 17.xii.1998; entrance garden, translocated rehabilitation, seasonally wet marshland; old game park, marshland grassland; natural grassland; 6♂, 4♀, ibid. holotype, but 12.v.1999; near Wonderfontein spring, permanently moist area; old game park, marshland grassland; traffic island at entrance to mine, translocated rehabilitation clayey soil; west berm, seeded rehabilitation; 4♂, 1♀, ibid. holotype, but 23.xi.1999: east berm, E aspect, reseeded repair of eroded area of seeded rehabilitation; old game park; marshland grassland, near Wonderfontein spring, permanently moist area; 4♂, 7♀, ibid. holotype, but 10.iv.2000; entrance garden, translocated rehabilitation, seasonally wet marshland, natural moist grassland, perched water table; 2♂, 3♀, Koloniesplaas Memel, 27°42ʹS 28°36ʹE, 1850 m, 14.xi.2003; 1♀, Woudsicht road 14 km S Vrede, 27°34ʹS 29°00ʹE, 1800 m, 4.i.2004, sweeping grass in road reserve; 1♂, 2♀, eastern part of Platberg near Harrismith, 28°15ʹS 29°12ʹE, 2362 m, 11.i.2007, sweeping, common grass species: Themeda triandra   , Tristachya leucothrix   ( Poaceae   ) 1♂, 13 km west Memel on Route 34, 27°39ʹ53.35ʺS 29°27ʹ05.37ʺE 1910 m 25.xii.2008, sweeping grass & forbs; 1♂, Muller’s Pass near summit, 27°51ʹ39.68ʺS 29°41ʹ10.15ʺE 1878 m 25.xii.2008, sweeping grass & forbs; all M. Stiller. Gauteng. 1♀, Bronkhorstspruit, 25°46ʹS 28°44ʹE, 6.iv.1985, J.G. Theron; 3♂, Zimvelo Game Park Bronkhorstspruit, 25°40ʹS 25°59ʹE, 26–27.x.1991, sweeping grass; 1♂, 2♀, Aeolians Sailing Club Vaal Dam, 26°49ʹ22.08ʺS 28°10ʹ40.97ʺE, 1500 m, 20.iii.2006, sweeping grass in wetland, Setaria sp.   ( Poaceae   ) dominant. KwaZulu-Natal. 1♂, Witsieshoek Mountain Resort, 29°39ʹS 28°52ʹE, 1840 m, 16.iv.2002, M. Stiller & E. Breytenbach, sweeping grass and forbs; 1♂, 3♀, Kamberg, SE 29°26ʹ47.67ʺS 29°46ʹ26.58ʺE, 1783 m, 26.xii.2004, sweeping grazed grass; 2♂, 1♀, Little Switzerland Hotel ridge NE, 28°34ʹS 29°03ʹE, 1650 m, 8.v.2007, M. Stiller, sweeping Aristida monticola   ( Poaceae   ) growing amongst trees and shrubs. Limpopo. 14♂, 8♀, 7 nymphs, Strydpoortberg S Polokwane, 24°04ʹ30ʹ S 29°48ʹ15ʹ E, 1700 m, 13.xii.2003, sweeping grass on sandstone outcrop, S-slope, 1♂, 1♀, 1 nymph, Sekororo Kloof north east of Burgersfort, 24°23ʹS 30°27ʹE, 1430 m, 19.iii.2005, M. Stiller, sweeping grass and forbs. Mpumalanga. 1♂, Ermelo, 26°32ʹS 29°59ʹE, 24.xi.1971, R. Kluge; 3♀, Dullstroom, 25°24ʹS 30°04ʹE, 2100 m, 17.xii.2000, sweeping short grass & forbs; 3♂, Long Tom Pass near Lydenburg, 25°06ʹS 30°34ʹE, 18.xii.2000, sweeping short grass & forbs; 1♂, Suikerbosfontein Farm, 25°56ʹS 30°19ʹE, 3–4.ii.2001, sweeping grass & forbs in damp soil; all M. Stiller; 3♂, 5♀, 1 nymph, Sterkspruit Nature Reserve, 25°09ʹS 30°32ʹE, 1590 m, 8.iii.2002, DVac tall ungrazed grass; 2♂, 2♀, Carolina 7 km SE, 26°09ʹS 30°08ʹE, 1650 m, 8.iii.2002, sweeping grass & forbs in moist soil; all M. Stiller & J. du Plessis; 3♂, Belfast 1 km W, 25°41ʹS 29°58ʹE, 1900 m, 17.ii.2005, M. Stiller, DVac grass & forbs in grazed pasture; 5♂, Blyde River Nature Reserve, 24°41ʹS 30°52ʹE, 1464 m, 14.xi.2005, M. Stiller, DVac moribund grass & Festuca spp   ( Poaceae   ); 4♂, 2♀, Longtom rail siding, 25°32ʹ46.44ʺS 30°03ʹ40.32ʺE, 1957 m, 16.xi.2005, DVac moribund grass Themeda triandra   ( Poaceae   ) dominant. North-West. 1♀, Grootkloof Magaliesberg near Buffelspoort, 25°51ʹS 27°24ʹE, 30.ix.1990, M. Stiller, sweeping grass; 4♂, 3♀, Fernkloof, 25°51ʹS 27°17ʹE, 7.iv.1991, sweeping grass; 1♀, Eureka Dome, 25°51ʹS 27°17ʹE, 7.vii.1991; 1♀, Waterberg NE of Thabazimbi, 24°27ʹS 27°40ʹE, 1–3.v.1992 sweeping grass; 4♂, 2♀, Hamerkopkloof Magaliesberg, 25°50ʹ37ʺS 27°25ʹ04ʺE, 1454 m, 30.x.2005, sweeping grass in seepage area & stream margin; all M. Stiller ( AMNH, BMNH, SANC).

Remarks. The widely separated plates are a useful feature to distinguish this species. The plate of E. extrinsecus   is also separated, but to a lesser degree, the medial margin is curved and the plate is shorter than in E. vulgaris   . The aedeagus is similar to that of a number of species. The lateral pubescence of the female sternite VII is known only from this species.


Agricultural Research Council-Plant Protection Research Institute


American Museum of Natural History