Amputoearinus niger Lindsay and Sharkey sp.n. (Figs. 3 c, 5a, 5h, 6a)

Diagnosis: This species can be distinguished from all other species of Amputoearinus by the following character; median areola of propodeum complete.

Description: Holotype Ψ

Body length: 7.0 (6.2–9.6) mm. Color: body black except: propodeum, metasoma yellow, foretarsus off-white, first tarsal segment of midleg white, posterior surface of hind coxa orange, hind tibia orange medially; forewing weakly infuscate basally, deeply infuscate apically (Fig. 5 a). Head: antenna with 41 (40–43) flagellomeres. Mesosoma: longitudinal carina of scutellar sulcus present (cf. Fig. 6 c); projection of propleuron acute (cf. Fig. 6 e); median areola of mesosoma well defined with sharp carinae laterally and posteriorly (cf. Fig. 7 c); median areola of propodeum rugulose and complete (Fig. 5 h); mesopleural suture with transverse carinae throughout its length; margin between metepimeron and metepisternum with transverse carinae (cf. Fig. 7a); carina bordering subpronope posteriorly, extending to anterior margin of pronotum (cf. Fig. 6a); length of midtibial spur 0.6mm, length of midbasitarsomere 0.6mm; midtibia with 0–1 peg(s) at midlength, 0–1 peg apically; hind tibia with 2–3 pegs apically; forewing length 5.8 (5.6–7.8)mm. Metasoma: median syntergite 2+3, length 1.2mm, width 1.4mm.

Variation: Three paratypes differ considerably; female from Estación Cacao in Costa Rica: body color black except for: hind femur, hind tibia orange, black apically; propodeum and metasoma orange. Female from Venezuela: body black except: forefemur and midfemur brown dorsally, black ventrally; foretarsus brown; apex of first midtarsomere off-white; hind femur orange, hind tibia orange basally, black apically; median area of propodeum orange, first three metasomal terga dark orange, fourth to sixth terga orange, posterior two terga black. Male from Costa Rica: body color black except; foretarsus off white, basal midtarsomere off-white basally; hind femur orange, hind tibia orange, black distally, hind tarsomeres black; propodeum orange, metasoma orange.

Etymology: from the Latin niger, meaning black, dark, because of the mostly black bodies of this species.

Specimen examined: HOLOTYPE. Ψ, COSTA RICA, Prov. Guanacaste, Bagaces, P.N. Palo Verde, Sector Catalina, Fila Catalina, [10°31’60”N 85°15’W], 250m, 13 May 11 - Jun 2000, I. Jimenez, Malaise, L_N_257400_400000, (INBio).

PARATYPES. COLOMBIA, Ψ, Bolivar, Zambrano, 150m, Finca Monterrey, [4°22’17”N 76°8’49”W], Jan. 19 1994, F. Fernandez, (UNCB). COSTA RICA: Ψ, northern Guanacaste, Guanacaste Nat Pk., [11°7’N 85°37’60”W], Janzen, Voucher Specimen Database, (INBio). Ψ, Gua[nacaste], 14km S Cañas, [10°25’60”N, 85°5’60”W], 2–4 Sept 1990, F.D. Parker, (BLCU). ♂: Escazú, [9°55’N 84°7’60”W], May 22 1987, H. & M. Townes, (left hind leg missing tarsus), (AEI). Ψ, Prov. Guanacaste, Estación Cacao, [11°7’N 85°37’60”W], 1100m, 2– 6 ENE [Jan] 1997, M.A Zumbado, L_N_323200_373000, #45333, (INBio CR1002 489178). MEXICO: Ψ, Tamaulipas, Gómez Farías, [23°3’N 99°9’W], 900m, Alta Clima, T. Malaise, 8–15.vi.1999, Col. Sonia Hernández A., (HIC). Ψ, Tamaulipas, Gómez Farías, [23°3’N 99°9’W], 300m, Los Cedros, T. Malaise, 17–24.iv.1999, Col. Sonia Hernández A., (HIC). Ψ, State of Tamaulipas, 16mi S of Ciudad Victoria on Mex 101, [26°21’N 99°1’60”W], 16-June-1975, H.V. Weems, Jr., (FSCA). Ψ, Tamaulipas, Gómez Farías, [23°3’N 99°9’W], 300m, Los Cedros, T M 1, 8–15.v.1999, Col. Sonia Hernández A., (HIC). VENEZ[UELA], Ψ, Tucuco, Zulia, [11°13’N 71°52’60”W], iv.23.1981, H.K. Townes, (AEI).