Grotea delicator (Thunberg, 1822)

(Figs 3A–D)

Ichneumon delicator Thunberg, 1822, Mem. Acad. Imp, Sci. St. Petersbourg, 8: 259; 1824, Ibid, 9: 307, sex not given. Type: sex? (abdomen missing), (French West Indies: Saint) Barthelemy Island (Uppsala).

Atractodes lineatus Brullè, 1846, In Lepeletier: Histoire Naturelle des Insectes, Hymenopteres, 4: 167. 9. Lectotype: Q, “ Guiana ” (Paris).

Grotea lineata; Krieger, 1903, Z. syst. Hymen. Dim., 3: 290.

Labenidea delicator; Roman, 1912, Zool. Bidrag Uppsala, l: 249.

Diagnosis

Head in dorsal view with gena behind eyes slightly concave; gena close to the junction of occipital and hypostomal carinae projected into a spatulate or ellipsoid tooth (Fig. 3B). Propodeum with anterior transverse carina indented centrally, not forming a smooth arc from side to side. Distal hamuli on vein RA forming a basal cluster with the first 2 hamuli.

Comments. The specimens examined have hind wing basal hamuli on tubular vein C, with 6 hamuli in females, and only 3 in males; for the distal hamuli, there are a total of 6–7 hamuli in females and only 4 in males, unevenly distributed in both sexes, forming a basal cluster with the first 2 hamuli; most females also have a distinct apical cluster (Fig. 3D).

Distribution. Argentina, Brazil (Minas Gerais, Rio de Janeiro and Santa Catarina), Guyana, Trinidad and Tobago, and Suriname.

Material examined. [6 ♀, 2 ♂] Brazil, Minas Gerais: Belo Horizonte, 19°52’30”S; 43°58’20”W, 842m, 27.viii‒ 02.ix.1991, Malaise, A.F.Kumagai leg. [1 ♀, CCT-UFMG-IHY-2300000]; Betim, Casa Amarela, 19°59’55.5”S; 44°13’13.13”W, 826m, 10‒24.viii.2021, Malaise, A.R.Lima leg. [1 ♀, CCT-UFMG-IHY-2101717] ; Monte Azul, Serra de Montevidéu - Formosa, Trilha para o Pico da Formosa, 15°13’58.3”S; 42°49’03.9”W, 1439m, 29.xi‒ 5.xii.2015, Malaise, L.N.Perillo leg. [1 ♂, CCT-UFMG-IHY-2100074] ; Porteirinha, Parque Estadual de Serra Nova, Trilha subida na vertente da Cachoeira do Serrado, 15°43’02.8”S; 43°50’07.1”W, 1037m, 7‒13.xii.2015, Malaise, L.N.Perillo leg. [1 ♂, CCT-UFMG-IHY-2100027] ; Santo Antônio do Itambé, Parque Estadual do Pico do Itambé, Trilha para Cachoeira do Rio Vermelho, 18°24’07.6”S; 43°18’03.3”W, 1139m, 8‒14.i.2015, Malaise, L.N.Perillo leg. [2 ♀, CCT-UFMG-IHY-2100046, CCT-UFMG-IHY-2100047] ; São Gonçalo do Rio Abaixo, Estação Ambiental de Peti - CEMIG, 19°53’14”S; 43°22’06”W, 630m‒808m, 31.i.2003, Malaise, A.F.Kumagai leg. [1 ♀, CCT-UFMG-IHY-2300001] ; idem, 07.ii.2003 [1 ♀, CCT-UFMG-IHY-2300002].