Nabis faminei Stal , 1859

Cornelis, Marcela & Coscaron, Maria C., 2013, The Nabidae (Insecta, Hemiptera, Heteroptera) of Argentina, ZooKeys 333, pp. 1-30 : 21-23

Nabis faminei Stal, 1859 Figs 9 a–i, 11c, 12c, 13d

Nabis faminei Stål 1859. Kongliga Svenska Fregattens Eugenies Resa Omkring Jorden 4: 260. Lectotype (NHRS). Reuter 1872. Öfversigt af Kongliga Svenska Vetenskaps-Akademiens Forhandlingar 29: 92. Berg 1879. Anales de la Sociedad Científica Argentina: 145. Pennington 1921. Lista de los Hemípteros de la República Argentina. Segunda parte: 26. Harris 1939. Notas del Museo de La Plata 26: 372. Prado 2008. Boletín del Museo Nacional de Historia Natural Chile 57: 44. Volpi and Coscarón 2010. Zootaxa 2513: 58.

Nabis punctipennis : Reuter 1908. Mémoires de la Société Entomologique de Belgique 15: 122. Lectotype: http://www2.nrm.se/en/het_nrm/f/nabis_faminei.html

Material examined

. BUENOS AIRES: La Plata 34°55'2.28"S, 57°57'0.47"W 1 ♀ (MLP). TIERRA DEL FUEGO: Harris det., 1 ♀ (MLP); Cabana Ruby 17 –I– 1988, 1 ♀ (MLP); Cabo Espíritu Santo 52°39'32.29"S, 68°36'8.83"W, 18 –I– 1988 4 ♂♂, 1 ♀ (MLP); Estancia La Indiana 54°20'46.48"S, 67°25'44.27"W, 17 –I– 1988 2 ♂♂, 1 ♀ (MLP); Lago Fagnano 17 –I– 1988 Leg. Molta and Lombardo col., 2 ♀♀ (MLP); Paso Garibaldi 54°41'29.80"S, 67°51'0.99"W, 17 –I– 1988 (MLP); Río Chico, Las Violetas 54°47'55.02"S, 68°18'29.55"W, 13 –I– 1988 2 ♀♀ (MLP).

Distribution in Argentina.

Buenos Aires: La Plata; Patagonia, Tierra del Fuego: Cabana Ruby, Cabo Espíritu Santo, Estancia La Indiana, Lago Fagnano, Paso Garibaldi, Río Chico (Las Violetas).

Distribution outside Argentina.

Chile.

Measurements.

Male (n = 3): Length 4.92-5.84 (mean = 5.26). Head: length 0.82-0.93 (mean = 0.87), width 0.82-0.86 (mean = 0.83); eye width 0.36-0.37 (mean = 0.365), interocular width 0.37. Rostrum: ratio of segment lengths about 1: 2.26: 0.59: 0.62. Antenna: ratio of segment about 1: 1.64 (segments III and IV missing). Pronotum length 1.01-1.16 (mean = 1.08), width 1.16-1.46 (mean = 1.28). Hemelytra length 2.44-3.79 (mean = 2.91). Abdomen: length 2.17-2.66 (mean = 2.48), width 1.50- 1.67 (mean = 1.57). Legs: fore femora: length 1.36-1.39 (mean = 1.38), width 0.39-0.41 (mean = 0.396); middle femora: length 1.25-1.27 (mean = 1.265), width 0.30-0.33 (mean = 0.31); hind femora 1.78-1.87 (mean = 1.82), width 0.17-0.18 (mean = 0.175). Fore tibiae: length 1.09 –1– 15 (mean = 1.12), width 0.09-0.12 (mean = 0.10); middle tibiae: length 1.06-1.17 (mean = 1.13), width 0.075-0.09 (mean = 0.08); hind tibiae: length 2.03-2.14 (mean = 2.08), width 0.06-0.07 (mean = 0.065).

Female (n = 3): Length 5.07-5.84 (mean = 5.39). Head: length 0.82-0.93 (mean = 0.88), width 0.78-0.86 (mean = 0.82); eye width 0.36-0.39 (mean = 0.37), interocular width 0.36-0.37 (mean = 0.365). Rostrum: ratio of segment lengths about 1: 2.19: 2.43: 1.19. Antenna: ratio of segment about 1: 1.47: 1.41: 1.15. Pronotum length 1.09-1.20 (mean = 1.13), width 1.27-1.42 (mean = 1.32). Hemelytra length 2.60-3.12 (mean = 2.84). Abdomen: length 2.42-2.59 (mean = 2.52), width 1.80-1.95 (mean = 1.86). Legs: fore femora: length 1.09-1.60 (mean = 1.35), width 0.36-0.42 (mean = 0.38); middle femora: length 1.21-1.51 (mean = 1.33), width 0.21-0.30 (mean = 0.26); hind femora 1.75-2.24 (mean = 1.94), width 0.18. Fore tibiae: length 1.18-1.33 (mean = 1.24), width 0.09-0.12 (mean = 0.11); middle tibiae: length 1.15-1.33 (mean = 1.23), width 0.09-0.10 (mean = 0.093); hind tibiae: length 2.12-2.39 (mean = 2.21), width 0.075-0.10 (mean = 0.088).

Description.

Similar to Nabis punctipennis but with the body more robust, the eyes larger, and the antennae and legs shorter. Length of antennal segment II hardly equal to the width of the head across eyes. Anterior lobe of pronotum arcuate, strongly raised above the collar. Hemelytra exposing part of the abdomen. Legs robust, anterior femora thickened. Paramere blade thin, with apex pointed. Female genitalia with thick androbust styloid.