Nabis argentinus Meyer-Duer , 1870

Cornelis, Marcela & Coscaron, Maria C., 2013, The Nabidae (Insecta, Hemiptera, Heteroptera) of Argentina, ZooKeys 333, pp. 1-30 : 18-21

Nabis argentinus Meyer-Duer, 1870 Figures 8 a–i, 11b, 12b, 13d

Nabis argentinus Meyer-Dür 1870. Mitteilungen der Schweizerischen Entomologischen Gesellschaft 3: 177. Harris 1939. Notas del Museo de La Plata 26: 373. Ruffinelli and Pirán 1959. Boletín de la Facultad de Agronomía de Montevideo 5l: 40. Volpi and Coscarón 2010. Zootaxa 2513: 58.

Coriscus argentinus Stål 1873. Köngliga Svenska Vetenskaps-Akademiens Handlingar 11: 114.

Nabis punctipennis : Berg 1879. Anales de la Sociedad Científica Argentina 9: 143. Berg 1892. Anales de la Sociedad Científica Argentina 34: 104. Pennington 1920. Lista de los Hemípteros Heterópteros de la República Argentina. Segunda Parte: 26.

Material examined.

BUENOS AIRES: 1852 Harris det., 1 ♀ (MLP), 15 –I– 1921 1 ♂ (MLP), XII– 1938 Drake and Richardson col., Harris det., 1 ♂, 1 ♀ (MLP); Bahía Blanca 38°42'42.04"S, 62°16'5.08"W, III– 1984 Mianzan col., 3 ♀♀ (MLP), 18 –II– 1977 S. Coscarón col., Kerzhner det. 1987, 3 ♂♂, 3 ♀♀ (AMNH); Baradero 33°48'31.95"S, 59°30'16.86"W, 1 ♂ (MLP), Harris det. 1 ♂ (MLP); Ciudad de Buenos Aires 34°36'30.30"S, 58°22'23.38"W, 24 –XII– 1918 Bosq col., 1 ♀ (MLP), 25 –XII– 1918 1 ♀ (MLP), 29 –I– 1919 Bosq col., 1 ♂ (MLP), 29 –III– 1919 Bosq col., 1 ♀ (MLP); Flores 34°37'60.00"S, 58°28'0.00"W, 7 –III– 1917 Bosq col., 1 ♀ (MLP); José C. Paz 34°30'54.38"S, 58°45'58.49"W, XII– 1938 1 ♂ (MLP), 07 –III– 1939 1 ♀ (MLP), 21 –I– 1939 1 ♂ (MLP), 05 –IX– 1939, 1 ♀ (MLP), 1940 J. A. Rosas Costa leg. col.; La Colina 37°21'41.73"S, 61°32'2.76"W, 29 –XI– 1938 Carl J. Drake col., 3 ♂♂, 2 ♀♀ (MLP), 29 –XI– 1938 Carl J. Drake col., Harris det. 1 ♀ (MLP); La Madrid 37°14'51.31"S, 61°15'38.11"W, 19 –XI– 1938, 1 ♂ (MLP); La Plata 34°55'2.28"S, 57°57'0.47"W, 1935 J. A. Rosas Costa col., Harris det., 1 ♀ (MLP); Harris det., 1 ♂, 1 ♀ (MLP), A. R. Bezzi leg. col., 1 ♀ (MLP), 03 –III– 2003 P. M. Dellape col., 1 ♀ (MLP); Monte Hermoso 38°58'58.01"S, 61°17'50.69"W, 28 –II– 1957 Torres-Ronderos col., 1 ♀ (MLP); Pedro Luro 39°30'5.86"S, 62°41'0.10"W, 08 –II– 1941 Biraben col., 3 ♀♀ (MLP); Punta del Indio 35°16'27.66"S, 57°15'38.66"W, 4 –XII– 1938 Biraben-Scott leg. col., 1 ♂ (MLP); Tandil 37°19'14.28"S, 59°7'44.78"W, Harris det. 1 ♀ (MLP). CATAMARCA: Belén 27°38'59.42"S, 67°1'59.09"W, 02 –III– 1939 Biraben-Scott leg col. 2 ♀♀ (MLP). CÓRDOBA: Alta Gracia 31°39'16.39"S, 64°25'50.17"W, I– 1935 C. Bruch leg. Col., Harris det., 1 ♀ (MLP); Bajo Grande 31°37'0.02"S, 64°13'0.00"W, 07 –XII– 1939 Biraben-Bezzi col., 1 ♀ (MLP); Cabana 31°13'0.01"S, 64°22'0.01"W, IX– 1938 Biraben-Scott leg. col., 1 ♀ (MLP), 10 –II– 1942 Biraben col., 1 ♀ (MLP), 10 –XI– 1942 Biraben col., 1 ♂ (MLP); Copina 31°34'23.82"S, 64°40'25.01"W, 14 –II– 1940 Biraben col., 1 ♀ (MLP); La Puerta 30°53'38.28"S, 63°15'7.24"W, 23 –I– 1940 Biraben col., 1 ♀ (MLP); Mar Chiquita 30°47'60.00"S, 62°52'59.99"W, 22 –I– 1940 Biraben col., 1 ♀ (MLP); Marull 30°59'45.16"S, 62°49'37.61"W, 22 –I– 1940 Biraben col., 2 ♀♀ (MLP); San Antonio de Arredondo 31°28'57.22"S, 64°31'25.50"W, 14 –II– 1940 Biraben col., 2 ♀♀ (MLP); San Francisco 31°25'30.00"S, 62°5'2.98"W, 21 –I– 1940 Biraben col., 1 ♀ (MLP). CHACO: Nueva Pompeya 24°55'53.10"S, 61°28'59.70"W, Harris det., 1 ♀ (MLP). ENTRE RÍOS: Gualeguaychú 33°0'54.06"S, 58°31'9.28"W, 20 –XII– 1941 Biraben–Bezzi col. 1 ♂ (MLP). LA PAMPA: Eduardo Castex 35°54'49.15"S, 64°17'19.94"W, 31 –I– 1957 Torres-Ronderos col., 1 ♀ (MLP). MENDOZA: Luján 33°2'1.96"S, 68°52'56.50"W, 27 –II– 1940 Biraben col., 1 ♂ (MLP); Tupungato 33°22'9.58"S, 69°8'43.59"W, 27 –II– 1940 Biraben col., 1 ♀ (MLP). RÍO NEGRO: I– 1951 1 ♀ (MLP); San Antonio Oeste 40°43'49.84"S, 64°56'57.03"W, 20 –II– 1915, 2 ♀♀ (MLP). SALTA: San Lorenzo 24°43'46.97"S, 65°29'7.42"W, 14 –VII– 1939 1 ♀ (MLP). SAN LUIS: Nogolí 32°55'6.09"S, 66°19'30.79"W, 21 –II– 1940 Biraben col., 1 ♂, 1 ♀ (MLP); Quines 32°14'1.21"S, 65°48'8.50"W, 18 –II– 1940 Biraben col., 1 ♀ (MLP); San Francisco 33°16'51.13"S, 66°18'32.36"W, 20 –II– 1940 Biraben col., 1 ♀ (MLP).

Distribution in Argentina.

Buenos Aires: Bahía Blanca, Baradero, Ciudad de Buenos Aires, Flores, José C. Paz, La Colina, La Madrid, La Plata, Monte Hermoso, Pedro Luro, Punta del Indio; Catamarca: Belén; Córdoba: Alta Gracia, Bajo Grande, Cabana, Copina, La Puerta, Mar Chiquita, Marull, San Antonio de Arredondo, San Francisco; Chaco: Nueva Pompeya; Entre Ríos: Gualeguaychú; La Pampa: Eduardo Castex; Mendoza: Luján, Tupungato; Río Negro: San Antonio Oeste; Salta: San Lorenzo; San Luis: Nogolí, Quines, San Francisco.

Distribution outside Argentina.

Uruguay: Artigas, Canelones, Colonia, Durazno, Maldonado, Montevideo, Paysandú.

New record.

Argentina: La Pampa, Winifreda: 36°18'45.30"S, 64°11'55.45"W, Cornelis col.

Measurements.

Male (n = 5): Length 5.32-6.81 (mean = 6.34). Head: length 0.78-0.99 (mean = 0.86), width 0.85-0.92 (mean = 0.86); eye width 0.38-0.42 (mean = 0.40), interocular width 0.38-0.42 (mean = 0.41). Rostrum: ratio of segment lengths about 1: 2.54: 2.48: 1.29. Antenna: ratio of segment about 1: 1.73: 1.33: 0.90. Pronotum length 1.06-1.27 (mean = 1.17), width 1.42-1.77 (mean = 1.57). Hemelytra length 2.48-4.68 (mean = 4.11). Abdomen: length 1.91-2.69 (mean = 2.28), width 1.42-1.77 (mean = 1.65). Legs: fore femora: length 1.70-1.77 (mean = 1.73), width 0.35-0.42 (mean = 0.37); middle femora: length 1.42-2.05 (mean = 1.67), width 0.28-0.32 (mean = 0.29); hind femora 2.27-2.34 (mean = 2.29), width 0.14-0.21 (mean = 0.18). Fore tibiae: length 1.42-1.49 (mean = 1.43), width 0.10-0.12 (mean = 0.105); middle tibiae: length 1.49-1.60 (mean = 1.52), width 0.07-0.10 (mean = 0.09); hind tibiae: length 2.55-2.84 (mean = 2.70), width 0.07-010 (mean = 0.08).

Female (n = 5): Length 5.75-7.10 (mean = 6.57). Head: length 0.88-1.06 (mean = 0.98), width 0.74-0.92 (mean = 0.88); eye width 0.38-0.42 (mean = 0.41), interocular width 0.35-0.42 (mean = 0.39). Rostrum: ratio of segment lengths about 1: 2.67: 2.58: 1.35. Antenna: ratio of segment about 1: 1.82: 1.41: 0.91. Pronotum length 1.13-1.35 (mean = 1.25), width 1.13-1.84 (mean = 1.65). Hemelytra length 1.60-4.97 (mean = 4.25). Abdomen: length 2.69-3.05 (mean = 2.88), width 1.77-2.13 (mean = 1.88). Legs: fore femora: length 1.70-1.91 (mean = 1.80), width 0.35-0.42 (mean = 0.37); middle femora: length 1.60-1.77 (mean = 1.66), width 0.28-0.32 (mean = 0.29); hind femora 2.27-2.48 (mean = 2.40), width 0.15-0.21 (mean = 0.19). Fore tibiae: length 1.45-1.52 (mean = 1.48), width 0.10-0.14 (mean = 0.12); middle tibiae: length 1.55-1.63 (mean = 1.60), width 0.10; hind tibiae: length 2.84-3.05 (mean = 2.89), width 0.10.

Description.

Pronotum in macropterous form greatly expanded behind, a third wider than long; posterior lobe markedly arched upward. Pronotum in brachypterous form visibly wider than long, but strongly compressed on the sides between the anterior and posterior lobes. Hemelytra in macropterous forms surpassing apex of abdomen; in brachypterous forms, reaching to the base of sixth abdominal segment. Paramere with the distal area more thickened than in the other species of the complex; the blade wide, with a protuberance on the outer margin. Base of the paramere more constricted than in Nabis paranensis . Female genitalia with the styloid more thickened than in Nabis paranensis .