Acrotaphus pseudoamazonicus Pádua & Sääksjärvi, 2020

Pádua, Diego G., Sääksjärvi, Ilari E., Monteiro, Ricardo F. & Oliveira, Marcio L., 2020, Review of the New World genus Acrotaphus Townes, 1960 (Hymenoptera: Ichneumonidae: Pimplinae), with descriptions of fifteen new species, Zootaxa 4719 (1), pp. 1-62 : 48-51

Acrotaphus pseudoamazonicus Pádua & Sääksjärvi sp. n.

( Figs 176–184 )

Diagnosis. This species can be distinguished from all other species of Acrotaphus by the combination of the following characters: 1) margin of gena behind eyes flat in dorsal view; 2) margin of gena 0.35–0.5× (0.5–0.6 in male) length of eye in dorsal view; 3) posterior ocelli separated from eyes by 0.3–0.5× its diameter in dorsal view; 4) metasoma orange with posterolateral bands in the tergites II–IV, tergite V with distal half and VI+ black; 5) hind leg entirely black, except the base of coxa orange or orange, with apex of coxa, femur, tibia and tarsus black; 6) ovipositor robust, 1.1–1.5× as long as hind tibia.

Description. Female. Body [11.0] 10.5–15.0 mm. Head. Lower face [0.8] 0.75–1.0× as broad as high (from supraclypeal suture to base of antenna), flat, with scattered punctures which bear long conspicuous bristles; head in dorsal view with margin of gena flat behind eyes; margin of gena [0.45] 0.35–0.5× length of eye in dorsal view; posterior ocelli separated from eyes by [0.4] 0.3–0.5× its diameter in dorsal view. Mesosoma. Pronotum moderately long, smooth and polished, with distance from tegula to head greater than [0.4] 0.4–0.5× distance from tegula to hind margin of propodeum; mesoscutum smooth and polished, with notaulus weakly marked; scutellum, in dorsal view, triangular; mesopleuron polished, with fine bristles anteriorly and ventrally; epicnemial carina present ventrally, extending until reaching the level of the lower corner of the pronotum laterally; metapleuron polished, with sparse, fine bristles evenly spaced and with a strongly longitudinal groove in lower part below spiracle; propodeum smooth dorsally, laterally with scattered fine bristles. Fore wing [9.5] 9.5–12.0 mm; cu-a opposite to the base of Rs&M; 2 rs-m [0.65] 0.5–0.9× as long as abscissa of M between 2 rs-m and 2 m-cu; hind wing with abscissa of Cu 1 between M and cu-a [0.85]× length of cu-a. Tarsal claw with basal lobe quadrangular, with claw apex slightly overtaking the posterior margin of lobe. Metasoma. Tergite I [1.5] 1.3–1.9× as long as posteriorly broad; tergite II [1.2] 0.9–1.65× as long as posteriorly broad; tergite III [1.1] 0.9–1.5× as long as posteriorly broad; tergites IV–V [1.0] 0.9–1.4× as long as posteriorly broad; ovipositor robust, [1.4] 1.1–1.5× as long as hind tibia; lower valve with slightly swelling in the base and mid region.

Coloration. Head black, mouthparts orange, except apex of mandible black; antenna brownish. Mesosoma entirely orange. Metasoma orange with posterolateral bands in the tergites II–IV, tergite V with distal half and VI+ black. Anterior and mid leg entirely orange, hind leg black, except base of coxa orange. Wings yellowish; fore wing with apex distal to 2 rs-m black, and with a black median band extending backwards from anterior margin, just proximal to the pterostigma, right through the 1 st subdiscal cell; pterostigma yellowish. Ovipositor brownish and sheath dark brown.

Male. ( Figs 179–180 ). Similar to female, except body 11.0–13.0 mm; lower face 0.9–1.1× as broad as high

(from supraclypeal suture to base of antenna); head in dorsal view with margin of gena flat behind eyes; margin of gena 0.5–0.6× length of eye in dorsal view; posterior ocelli separated from eyes by 0.3–0.5× its diameter in dorsal view; fore wing 10.0–11.0 mm; tergite I 1.3–1.5× as long as posteriorly broad; tergite II 1.1–1.3× as long as posteriorly broad; tergite III 1.0–1.1× as long as posteriorly broad; sternite IX ( Fig 182 ) longer than high, with lateral and anterior margins strongly sclerotised, lateral margin flat and posterior margin slightly concave centrally, with few bristles widely spaced posteriorly. Genital capsule ( Figs 183–184 ): Paramere truncated apically, slightly narrower than the parameral lamina, with bristles except in posterior margin; volsellar lamina with spaced bristles medially and apically, except in the inner margin and posterior part and with a set of about four to five bristles in anterolateral region, just below the base of the digitus; cuspis robust with about five teeth aligned in the mid part until apex and with about six few bristles in basal region and spaced laterally on apical region; digitus with teeth on apex, rounded distally and angular ventrally, with the margins of the apical region narrower than base; aedeagus with small teeth on apex and its apex slightly curved downward in lateral view.

Variation. Some specimens have the pronotum with anterior margin blackish; metasoma orange with tergites V+ or VI+ black or orange, with tergites II–IV with posterior margin black; hind coxa entirely black or orange, except apex blackish.

Type material: Holotype: ♀, BRAZIL, Amazonas, Manaus, ZF–2, Km 14, 2°35’21’’S / 60°06’55’’W, 01– 15.xii.2016, Malaise large [model Gressit & Gressit, 1962] in soil (J.A. Rafael & F.F. Xavier F°. leg.), INPA . Paratypes: Brazil: Amazonas, Manaus, Reserva Ducke , Point 4, 28.ix–08.x.2005, Malaise (A.P. Aguiar leg.), ♂, INPA ; idem,but, 59°52’40’’S / 03°08’00’’W, 22.xi–09.xii.2014 (Silva-Neto and team leg.), ♀, INPA ; idem,but WWF, Reserva 1401, Gavião , 10–25.xi.1995, Malaise 4 (Bert Klein col.), ♀, INPA .; idem, but Reserva 1501, Km 41, 16–31.x.1995, Malaise trap, ♀, INPA ; idem, but Reserva 1113, Fazenda Esteio, PDBFF , 02°26’02’’S / 59°51’15’’W, iv.1986, ♂, INPA ; idem, but v.1986, ♀, INPA ; idem, but ZF–03, Km 23, Res. [=Reserva] 1112, 02°26’02’’S / 59°51’15’’W, 11.ii.1986; ♀, #36557, INPA ; idem, but Reserva 1301, 02°23’03’’S / 59°51’15’’W, 12.vi.1985, ♀, INPA ; idem, but Reserva 1210, 02°22’36’’S / 59°51’21’’W, v.1986, ♀, INPA ; idem, but Reserva 1208, 02°22’34’’S / 59°52’39’’W, 16.iv.1985, ♀, INPA ; idem, but ZF-2, Km 14, 2°35’21’’S / 60°06’55’’W, 15–30.xi.2016, Malaise large [model Gres- sit & Gressit, 1962], soil (J.A. Rafael & F.F. Xavier F° cols.), ♀, INPA ; idem, but 16–31.ix.2016, Malaise small near tower, ♀, INPA ; idem, but 01–15.ix.2016, ♀, INPA ; idem, but 18–21.ii.2004, Light /BL, BLB, sheet, 40 m. height (J.A. Rafael, C.S. Motta, F.F. Xavier F° & A. Silva F°, S. Trovisco cols.), ♀, INPA ; idem, but 13–16.viii.2004, sheet: light and BLB, 35 m height (J.A. Rafael, F.F. Xavier F°, A. R. Ururahy, A. Silva F° & S. Trovisco cols.), 2♀, INPA ; P. [= Presidente] Figueiredo, AM 240 , Km 24, 02°00’46’’S / 59°49’43’’W, 28.vii–06.viii.2015, Malaise (A. Henriques et al. cols.), ♀, INPA ; PA [= Pará], Barreirinhas, Rio Tapajós , x–xi.1970 (Exp. Perm. Amaz.), ♀, #24418, MZUSP; AC [= Acre], Bujari, FES [=Floresta Estadual] do Antimary , 092001 S/681917W, 25.viii.2016, Sweeping (J.A. Rafael leg.), ♂ [with the genitalia extrated], INPA ; idem, but Senador Guiomard, Reserva Catuaba , 10°04’S / 67°36’W, 12.viii.2001, Nest trap n° 177 (E.F. Morato leg.), ♂, UFAC ; idem, but 02.x.2002, Nest trap n°2349, ♂ [without head and with the genitalia extrated], UFAC ; MA [= Maranhão], Mirador, Parque Est. [=Estadual] Mirador , Base da Geraldina , 27.x–01.xi.2008, Light trap (M.B. Aguiar-Neto & A.L. Costa cols.), ♀, CZMA ; idem, but Bom Jardim, REBIO , Res. [=Reserva] Biol. [=Biológica] Gurupi , 01–06.xi.2010, Light trap (M.M. Abreu, J.A. Silva, G.A. Reis & E.A.S. Barbosa leg.), ♂, CZMA; MG [= Minas Gerais], São Gonçalo do Rio Abaixo, Estação Ambiental Peti / CEMIG , 19°53’14’’S / 43°22’06’’W, 28.iii.2003 (A.F. Kumagai col.), ♀, #1500546, UFMG . Colombia: Putumayo, PNN [=Parque Nacional Naturale] La Paya, Cabaña Viviano , Cocha , 0°7’S / 74°56’W, 320 m., Malaise , 01– 10.ii.2002 ( R. Cobete leg.), M.3156 [sic], 2♀, #52276, #52995, IAVH ; idem, but Cabaña La Paya , 0°2’S / 75°12’W, 330 m., 01–15.vii.2002 (A. Morales col.), M.3321 [sic], ♀, #52275, IAVH ; idem, but 15–31.vii.2002, M.3322 [sic], ♀, #52996, IAVH ; Chocó, PNN [=Parque Nacional Naturale] Utría, Centro de Visitantes , 6°1’N / 77°20’W, 2 m., Malaise , 15–30.x.2000 (J. Pérez col.), M.816 [sic], #52992, IAVH . Ecuador: Orellana, Nueva Rocafuerte, xi [sic] (M. Cooper), ♀, #2005–152, BNHM ; idem, but Yasuni , 00°37’55’’S / 76°08’39’’W, a.s.l.: 220– 250 m., 08.ii.1999, Fogging, Lot #2023 ( T. L. Erwin leg.), ♀, ZMUT ; idem, but 23.x.1998, Lot #1902, ♂, ZMUT ; idem, but Tiputini , 00°37’55’’S / 76°08’39’’W, 220– 250 m. asl., 01.vii.1998, Lot #1848, ♀, ZMUT ; idem, but Onkonegare , 00°39’25, 7’’S / 76°27’10,8’’W, a.s.l.: 216 m., 04.x.1995, Lot # 1188, ♀, ZMUT ; idem, but 08.x.1995, Lot #1262, ♀, ZMUT ; idem, but 06.x.1995, Lot #1217, ♂, ZMUT ; idem, but 22.x.2005, Lot #3073, ♂, ZMUT . French Guiana: M. [= Montagne ] de Kaw, ix.2002 (J. Cerda leg.), ♀, ZMUT ; idem, but Patawa , vi.2003, ♀, ZMUT ; idem, but ii.2003 (O. Morvan leg.), ♀, ZMUT . Panama: Barro Colorado Is. [= Island ], 120 m., 27.iii–02.iv.1985 (H. Wolda), ♀, BNHM . Peru: CU [= Cusco], La Convención, Echarate, Zona de amortiguamiento de Megantoni , 12°12’43,32’’S / 72°50’11.98’’W, 663 m., 22–24.iv.2010 (E. Razuri & C. Carranza leg.), ♂, ZMUT ; idem, but Loreto, Maynas, 18 M 500248E/9624121N, 143 m., Bosque de Terraza media, 02.viii.2008, Malaise trap (C. Castillo leg.), ♂, ZMUT ; idem, but Iquitos area, Allpahuayo , white sand, 24.i–20.ii.2000 (I.E. Sääksjärvi et al. leg.), APHI, G1 / 1, ♀, MUSM ; idem, but Mishana , varillal, 16.viii–01.ix.1998 (I.E. Sääksjärvi & R. Jussila et al. leg.), APHI, B2 / 1, ♂, MUSM .

Distribution. Brazil, Colombia **, Ecuador **, French Guiana, Panama and Peru ( Fig 185 ).

Biological notes. Two males were found from the nest of the Trypoxylon (Trypargilum) lactitarse Saussure, 1867 (Crabronidae) . See above under the biological notes of A. franklini .

Etymology. The specific name refers to the similarity with the species A. amazonicus sp. n..

Comments. Acrotaphus pseudoamazonicus sp. n. closely resembles A. fasciatus (Brullé, 1846) and A. amazonicus sp. n. mainly by having last metasomal tergites black and hind leg orange with femur, tibia and tarsus blackish or hind leg entirely black. It differs from A. fasciatus by having margin of gena behind eyes flat and posterior ocelli separated from eyes by 0.3–0.5× its diameter in dorsal view (margin of gena behind eyes strongly concave and posterior ocelli separated from eyes by 0.1× its diameter in dorsal view, in A. fasciatu s), differs from A. amazonicus sp. n. by having margin of gena behind eyes flat (margin of gena behind eyes concave, in A. amazonicu s sp. n.).

Figures

FIGURES 176–185. Acrotaphus pseudoamazonicus sp. n.: 176, habitus ♀ (holotype); 177, head, dorsal view ♀ (holotype); 178, face, frontal view ♀ (holotype); 179, habitus, ♂; 180, head, frontal view, ♂; 181, tarsal claw, ♀ (holotype); 182, sternite IX, ♂; 183, genital capsule, lateral view, ♂; 184, genital capsule, ventral view, ♂. Scale bars =0.2 mm. 185. Distribution of Acrotaphus pseudoamazonicus sp. n. in the Neotropical region.