7. Genus Lonchodryinus Kieffer, 1905

Lonchodryinus Kieffer 1905: 95; 1914b: 14; Olmi & Currado 1979a: 342; Olmi 1983: 81; 1984: 253; 1994a: 45; 1995f: 4; 1999: 98; Olmi et al. 2000: 148; He & Xu 2002: 104; Virla & Olmi 2008: 370; Moya-Raygoza & Olmi 2010: 95; Olmi & Guglielmino 2010b: 30; Azevedo et al. 2010: 882; Xu et al. 2013: 211; Olmi & Virla 2014: 200; Olmi & Xu 2015: 107.

Prenanteon Kieffer 1913a: 301 (synonymized by Olmi 1983); type species: Prenanteon melanocerum (Kieffer in Kieffer & Marshall 1905), by subsequent designation of Richards (1935); Kieffer 1914b: 199; Berland 1928: 153; Richards 1937: 119; 1939: 235; Muesebeck & Walkley 1951: 1041; J. Perkins 1976: 23; Krombein 1979: 1242.

Psilanteon Kieffer 1913a: 301 (synonymized by Olmi 1984); type species: Psilanteon aequalis (Kieffer in Kieffer & Marshall 1905), by original designation; Kieffer 1914b: 212; Richards 1937: 119.

Type species. Lonchodryinus tricolor Kieffer 1905, by monotypy (Kieffer 1905).

Diagnosis. ♀ (Figs 97A, B): macropterous (Figs 97A, B), or rarely brachypterous (only known in the Palaearctic re- gion); palpal formula 6/3; occipital carina complete; antenna without ADOs; pronotum with distinct anterior collar and posterior disc; metapectal-propodeal disc usually without transverse posterior keel (Fig. 97A); in macropterous ♀♀, forewing with distal part of 2r-rs&Rs vein as long as, or longer than proximal part (Figs 97A, B); rarely distal part of 2r-rs&Rs vein slightly shorter than proximal part; enlarged claw with inner proximal prominence bearing one long bristle (Fig. 96F); tibial spurs 1/1/2. ♂ (Figs 97C, D): always macropterous (even if ♀ brachypterous) (Figs 97C, D); palpal formula 6/3; occipital carina complete; metapectal-propodeal disc usually without a transverse posterior keel (Fig. 97D); forewing with distal part of 2r-rs&Rs vein as long as, or longer than proximal part (Figs 97C, D); rarely distal part of 2r-rs&Rs vein slightly shorter than proximal part; forewing with pterostigma less than 4 × as long as broad (Figs 97C, D); paramere without dorsal process, usually without inner branch wrapping penis (Fig. 96C); tibial spurs 1/1/2.

Distribution. Worlwide.

Hosts. Cicadellidae (Guglielmino et al. 2013) .

World species. 18 species are known, four in the Afrotropical region.

Remarks. Larvae of Lonchodryinus were described by Guglielmino et al. (2017a).