Gonatocerus (Gonatocerus) rivalis Girault, 1911

Triapitsyn, Serguei V., Huber, John T., Logarzo, Guillermo A., Berezovskiy, Vladimir V. & Aquino, Daniel A., 2010, Review of Gonatocerus (Hymenoptera: Mymaridae) in the Neotropical region, with description of eleven new species, Zootaxa 2456, pp. 1-243 : 36-37

Gonatocerus (Gonatocerus) rivalis Girault, 1911

( Figs 51–53 )

Gonatocerus rivalis Girault 1911: 257 –261. Holotype female [USNM] (not examined). Type locality: Butler, Montgomery Co., Illinois, USA.

Gonatocerus rivalis Girault : Perkins 1912: 21 (record from Mexico); Huber 1988: 38 –40 (assigned to the sulphuripes species group, diagnosis, redescription, distribution, host associations); Yoshimoto 1990: 41 (list, sulphuripes species group); De Santis & Fidalgo 1994: 125 (catalog).

Lymaenon rivalis (Girault) : Burks 1958: 63 (catalog); Peck 1963: 25 (catalog).

Gonatocerus (Gonatocerus) rivalis Girault : De Santis 1979: 366 (catalog).

Material examined. GUATEMALA. SACATEPÉQUEZ, Sumpango, Durwest Farm, 14°40.292’N 90°43.195’W, 5985 ft, 18–24.iv.2008, M.S. Hoddle [1 ♀, UCRC] . MEXICO. CHIAPAS, Ocozocoautla, “ El Kikapu ”, 15–20.viii.1984, G. Gordh [1 ♀, 1 ♂, UCRC] . VERACRUZ: 3 mi. N of Cardel by Río Actopan , 31.x.1982, J.T. Huber, A. González-Hernández [4 ♀, 2 ♂, UCRC] . Fortín de las Flores, 30.x.1982, J.T. Huber, A. González-Hernández [2 ♀, 2 ♂, UCRC] . 33 mi. S of Nautla , 31.x.1982, J.T. Huber, A. González-Hernández [1 ♀, UCRC] . YUCATÁN: Chichén Itzá , 27.vii.1984, G. Gordh [1 ♀, UCRC] . Uxmal , 28.vii.1984, G. Gordh [1 ♀, UCRC] .

Extralimital records. MEXICO. MICHOACÁN, 30 km N of Lázaro Cárdenas, 7.vii.1984, G. Gordh [2 ♀, UCRC] . MORELOS: Amatlán, 14 mi. N of Yautepec , 29.x.1982, J.T. Huber, A. González-Hernández [1 ♀, 2 ♂, UCRC] . Tlayacapan , 29.x.1982, J.T. Huber [4 ♀, UCRC] . NUEVO LEÓN: Municipio Allende, Raíces, Río Ramos : 9.vii.1983, A. González-Hernández [3 ♀, UCRC] ; 9.vii.1983, G. Gordh [1 ♀, UCRC]; 9.vii.1983, F. Reyes-Vélez [2 ♀, UCRC]. Municipio El Carmen, El Carmen , 10.vii.1983, A. González-Hernández [3 ♀, 2 ♂, UCRC] . San Juan, Río San Juan , 14.vii.1983, F. Reyes-Vélez [1 ♀, UCRC] . USA. ILLINOIS: Hardin Co., Shawnee National Forest, ca. 1 mi. E of Cadiz Campground , 37°34’46.6’’N 88°13’59.6’’W, 14.iv.2004, R.A. Rakitov [1 ♀, UCRC] . Marion Co., Centralia, Karlhill Park , 7.ix.1993, J.D. Pinto [1 ♀, UCRC] .

Redescription. See Huber (1988).

Diagnosis. Gonatocerus (Gonatocerus) rivalis is distinguished by the following combination. F6 of female antenna ( Fig. 51 ) without mps and shorter than F5 or F7. Forewing ( Fig. 53 ) 3.7–4.0x as long as wide, often with a more or less distinct brown apical spot; longest marginal seta 0.31–0.36x maximum wing width. Ovipositor ( Fig. 52 ) 1.9–2.1x length of mesotibia and exserted by about 0.2x own length beyond apex of gaster.

Distribution. NEOTROPICAL: Guatemala *, Mexico, and Venezuela ( Huber 1988). NEARCTIC: Canada ( Huber 1988), Mexico, and USA.

Host. Draeculacephala antica (Walker) (Cicadellidae) ( Huber 1988).

Figures

FIGURES 51 – 53. Gonatocerus (Gonatocerus) rivalis ♀ (Fortín de las Flores, Veracruz, Mexico): 51, antenna; 52, mesosoma and metasoma; 53, forewing.