Echthrodelphax R. Perkins, 1903

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van, 2019, Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea), Zootaxa 4630 (1), pp. 1-619 : 406-407

14. Genus Echthrodelphax R. Perkins, 1903

Echthrodelphax R. Perkins 1903: 36 ; Kieffer in Kieffer & Marshall 1906: 489, 493; Kieffer 1914b: 16; Richards 1939: 188; Chandra 1980: 192; Olmi 1984: 1140; 1993b: 78, 79; 1995g: 5; 1996a: 179; 1998a: 57; 1999: 220; He & Xu 2002: 300; Moya-Raygoza & Olmi 2010: 99; Xu et al. 2013: 341; Olmi & Virla 2014: 339; Olmi & Xu 2015: 148.

Pterogonatopus Abdul-Nour 1976: 275 (synonymized by Olmi 1984); type species: Pterogonatopus hortusensis Abdul-Nour 1976 , by monotypy.

Type species. Echthrodelphax fairchildii R. Perkins 1903 , by monotypy.

Diagnosis. ♀: fully winged ( Figs 162D , 165A, B ); rarely brachypterous (only in one specimen of E. rufus Olmi 1984 from China, Guangdong, Yunjishan Nature Reserve); palpal formula 3/2, 4/2, 5/2, 5/3, or 6/3; antenna with ADOs; pronotum crossed by strong transverse furrow ( Fig. 162D ); notauli complete ( Figs 165A, B ); enlarged claw with one subapical tooth and one row of lamellae ( Figs 166A, D ); protarsomere 5 with less than 15 medial lamellae ( Figs 166A, D ); tibial spurs 1/0/1. ♂: fully winged ( Figs 165C, D ); head with distinct complete occipital carina; oc- ciput concave; temple present; palpal formula 3/2, 4/2, 5/2, 5/3, or 6/3; tibial spurs 1/1/2.

Distribution. Worldwide.

Hosts. Delphacidae ( Guglielmino & Olmi 1997, 2006; Guglielmino et al. 2013).

World species. 15 species are known, two in the Afrotropical region.

Figures

FIGURE 162. A–C: habitus of Adryinus species:A, B: A. cerrutii (Benoit), ♀ holotype in dorsal (A) and lateral (B) view; C: A. donaldsoni Olmi, ♀ holotype in lateral view. D: Echthrodelphax tauricus Ponomarenko, ♀ from Italy, Sciolze, in lateral view. Scale bar: A: 4.86 mm; B: 3.43 mm; D: 1.40 mm.

FIGURE 165. Habitus of Echthrodelphax species. A: E. tauricus Ponomarenko, ♀ from Italy, Sciolze, in dorsal view (from Olmi 1998a). B: E. migratorius Benoit, ♀ from Yemen, Qa Al Boun, in dorsal view. C, D: E. tauricus Ponomarenko: ♂ from Italy, Sciolze, in dorsal (C) and lateral (D) view. Scale bar: A: 1.80 mm; B: 1.61 mm; C: 1.00 mm; D: 0.63 mm.

FIGURE 166. A, B: Echthrodelphax migratorius Benoit: chela of holotype (A); genitalia of ♂ from South Africa, Port St. Johns (B). C, D: Echthrodelphax tauricus Ponomarenko: chela of ♀ from Italy, Sciolze (D); genitalia of ♂ from Spain, Torrevieja (C). Scale bar: A, B: 0.05 mm; C: 0.07 mm; D: 0.06 mm.