Gonatocerus (Cosmocomoidea) atriclavus Girault, 1917

(Figs 196–202)

Gonatocerus triguttatus atriclavus Girault 1917c: 19 (as a new variety). Lectotype female [USNM] (examined), designated by Triapitsyn, Bezark et al. 2002: 35 –36. Type locality: Mitan, Trinidad Island, Trinidad and Tobago. Gonatocerus (Gonatocerus) triguttatus atriclavus Girault: De Santis 1979: 367 (catalog).

Gonatocerus triguttatus atriclavus Girault: Huber 1988: 57 (comments, mentioned as probably a good species). Gonatocerus atriclavus Girault: Triapitsyn, Bezark et al. 2002: 35 –38 (lectotype designation, redescription, diagnosis, distribution including records from Mexico, host associations); Triapitsyn 2006a: 18–19 (taxonomic history, diagnosis, distribution including records from Argentina and Mexico, host associations); de León et al. 2006a: 42 (molecular data); de León et al. 2006d: 54 (molecular data); Triapitsyn 2006b: 112 (= G. sp. 10); Bernal et al. 2007: 67 –68 (record from Sinaloa, Mexico); de León & Morgan 2007: 83 (molecular data); de León et al. 2008: 99, 105 (molecular data); Triapitsyn & Bernal 2009: 6 –7 (host associations); Luft Albarracin et al. 2009: 9 (list; distribution and host associations in Argentina).

Material examined. ARGENTINA. CORRIENTES, Ita Ibaté, xii.2003, G.A. Logarzo, L. Varone, from sentinel eggs of Tapajosa rubromarginata (Signoret) [3 ♀, 1 ♂, UCRC]. SANTA FE, Reconquista, 1–5.xii.2003, G.A. Logarzo, L. Varone (from sentinel eggs of T. rubromarginata) [1 ♀, UCRC]. COSTA RICA. LIMÓN, Roxana de Pococí, 100 m, ix–x.2007, P. Benavides (from eggs of Oncometopia clarior (Walker) on Dracaena marginata) [32 ♀, 5 ♂, CNCI, MZCR, UCRC]. MEXICO. VERACRUZ, 85 km S of Veracruz, 31.vii.1984, G. Gordh [1 ♀, UCRC].

Redescription. See Triapitsyn, Bezark et al. (2002) for a detailed redescription and diagnosis. Diagnosis. Gonatocerus (Cosmocomoidea) atriclavus is a member of the ater subgroup of the ater species group. It is characterized by the following unique combination: female antenna (Fig. 196) with scape yellow to light brown; pedicel, F1–F3, F4 (basally) and F7 brown; F4 (distally), F5 and F6 light brown (F5–F7 distinctly lighter than other funicle segments); F8 dark brown; clava black; mps present on F2–F8; forewing (Figs 198, 201) with cubital row of setae complete, extending to base of marginal vein. Also illustrated here are dorsellum and propodeum (Fig. 197) of the female, as well as antenna (Fig. 199), dorsellum and propodeum (Fig. 200), a pair of wings (Fig. 201), and genitalia (Fig. 202) of the male.

Distribution. NEOTROPICAL: Argentina, Costa Rica *, Mexico (Sinaloa and Veracruz), and Trinidad and Tobago. NEARCTIC: Mexico (Tamaulipas) (Triapitsyn, Bezark et al. 2002).

Hosts. Homalodisca sp., Oncometopia clarior (Walker), and an unknown species of Proconiini (Triapitsyn 2006a), as well as Oncometopia (Similitopia) sp. (Triapitsyn & Bernal 2009), and Tapajosa rubromarginata (Signoret) [new record] ( Cicadellidae). This species was reared on Homalodisca vitripennis (Germar) eggs (a factitious host) under quarantine laboratory conditions in Riverside, California, USA (original material from Sinaloa, Mexico) (Triapitsyn & Bernal 2009) until November 2008, when its colony had to be discontinued when only males emerged in the last generation.