Runcinioides argenteus Mello-Leitão, 1929

Faleiro, Bárbara T. & Santos, Adalberto J., 2019, Revision of the crab-spiders of the genus Runcinioides Mello-Leitão, 1929 (Araneae, Thomisidae), Zootaxa 4567 (1), pp. 25-46 : 29-33

Runcinioides argenteus Mello-Leitão, 1929

( Figs 1 c–d, 2–8, 15a)

Runcinioides argenteus Mello-Leitão, 1929: 211 , figs 22, 22a, b. Mello-Leitão 1941: 242; Lehtinen & Marusik 2008: 190, figs

50–53, 66, 67. Runcinioides nigromaculatus Mello-Leitão, 1929: 211 , figs 23, 23a, b. Mello-Leitão 1944: 319; Mello-Leitão 1947: 276;

Caporiacco 1954: 140, figs 42, 42a. Metadiaea paranensis Mello-Leitão, 1932: 74 . Soares 1944: 153. New synonymy. Misumenops argenteus (Mello-Leitão) . Rinaldi 1988: 20, figs 1–3, 4a, b; Romero & Vasconcellos-Neto 2003, 2004. Runcinioides nicromaculatus — Rinaldi 1988: 20 (lapsus calami). Runcinioides nicromaculata — Rinaldi 1988: 20 (lapsus calami). Misumenops paranensis (Mello-Leitão) . Word Spider Catalog 2018.

Type material: Runcinioides argenteus , female holotype (MNRJ 898) from Brazil, Rio de Janeiro, Petrópolis city, examined. Runcinioides nigromaculatus , subadult female holotype (MNRJ 899) from Brazil, Rio de Janeiro, Petrópolis city, examined. Metadiaea paranensis , male holotype (MNRJ 14162) from Brazil, Paraná, Rio Negro city, examined.

Diagnosis. Males of R. argenteus resemble those of R. litteratus in the color pattern ( Figs 1c , 4 a–d) and palp conformation, but differ in the embolus without a prominent bulging process at the base ( Figs 2 c–d, 4e–f, 6a–b, d). Females differ from R. litteratus in the coupling pocket wider than long and diamond-shaped ( Figs 2a , 3e , 5 a–c).

Description. Female (holotype of R. argenteus ):

Carapace pale-yellow with two lateral, longitudinal brown bands, and covered with strong, sparse setae ( Figs 3a, c ). Chelicerae, endites, labium and sternum pale-yellow ( Figs 3b, d ). Legs pale-yellow. Leg I with six pairs of lateroventral macrosetae in the tibia and five pairs in the metatarsus ( Figs 3 a–b). Leg II with two lateroventral pairs in the tibia and three pairs in the metatarsus ( Figs 3 a–b). Opisthosoma homogeneously pale gray ( Figs 3 a–b), covered by strong, sparse setae.

Measurements. Total length 3.73, prosoma length 1.7, width 1.78, clypeus height 0.15, sternum length 0.89, width 0.76, opisthosoma length 2.03, width 1.91. Measurements of palp and legs: Palp: 1.45 (0.41, 0.2, 0.33, -, 0.51), I: 5.75 (1.78, 0.69, 1.27, 1.27, 0.74), II: 4.84 (1.4, 0.51, 1.12, 1.07, 0.74), III: 3.35 (1.12, 0.41, 0.81, 0.58, 0.43), IV: 3.03 (1.14, 0.41, 0.74, 0.74, 0.51).

Variation. Female (N=21), total length 2.92–5.95, prosoma length 1.27–2.42, width 1.35–2.8, opisthosoma length 1.65–3.81, width 1.14–4.07.

Male (from Brazil, São Paulo, Campos do Jordão; UFMG 22097): Carapace pale-yellow with a irregular, brown band at each side, a few scattered brown spots, and a thin marginal, dark brown band; covered with strong, sparse setae as in the female ( Figs. 4a, c ). Ocular area orange ( Fig. 4c ). Chelicerae pale-yellow with a dark spot at the proximal margin of the basal segment ( Fig. 4c ). Endites, labium and sternum pale-yellow ( Fig. 4d ). Legs I and II pale-green with distal dark rings on femur and patella; tibia with proximal dark ring and a broad distal, dark band; metatarsus and tarsus slightly darker in the distal half ( Figs 4 a–b). Legs III and IV pale-yellow with distal, slightly darker rings on tibia and metatarsus ( Figs 4 a–b). Legs with many dorsal and lateroventral spines ( Figs 4 a–b). Dorsum of opisthosoma homogeneously pale-yellow, with dark spots on the posterior half, covered by strong, sparse setae ( Fig. 4a ). Venter pale-yellow, with the epigastric plate slightly darker and with a posterior dark spot ( Fig. 4b ). Anal tubercle and spinnerets brown.

Measurements. Total length 4.4, prosoma length 1.86, width 2.08, clypeus height 0.25, sternum length 0.89, width 0.89, opisthosoma length 2.54, width 2.14. Measurements of palp and legs: Palp: 2.19 (0.69, 0.2, 0.23, -, 1.07), I: 9.23 (2.49, 0.84, 2.49, 2.29, 1.12), II: 9.01 (2.54, 0.81, 2.36, 2.16, 1.14), III: 4.51 (1.35, 0.51, 1.02, 0.94, 0.69), IV: 4.74 (1.53, 0.51, 1.02, 1.02, 0.66).

Variation. Male (N=10), total length 3.41–5.04, prosoma length 1.58–2.16, width 1.86–2.29, opisthosoma length 1.78–2.88, width 1.53–2.29.

Natural history. R. argenteus live in flowers, like most Misumenini species, without an apparent strict preference for plant species. They are commonly found in Asteraceae ( Fig. 1d ): Trichogoniopsis adenantha (DC) ( Romero & Vasconcellos-Neto 2003), Eupatorium hirsutum Baker , Vernonia polyanthes Less. , Viguiera robusta Gardn. , Piptocarpha rotundifolia (Less.) Baker , Agerantum fastigiatum (Gardn.) King & H. Rob. ( Rocha-Filho & Rinaldi 2011) . However, they were recorded from other plant families: Banisteriopsis malifolia (Ness & Mart.) B. Gates and B. campestris (A. Juss.) Little (Malpighiaceae) , Lippia lupulina Cham. (Verbenaceae) , Hyptis lippioides Pohl ex Benth. (Lamiaceae) , Senna rugosa (G. Don.) Irwin & Barneby (Fabaceae) , Matayba guianensis Aubl. (Sapindaceae) , Styrax ferrugineus Ness & Mart. (Styracaceae) ( Rocha-Filho & Rinaldi 2011); Ruellia sp. ( Acanthaceae ) ( Fig. 1c ).

Remarks. The holotype of Metadiaea paranensis ( Fig. 8 ) has the palp morphology indistinguishable from that of other male specimens of R. argenteus . We examined the holotype of R. nigromaculatus and, since it is a sudadult female we do not have any evidence to confirm the synonymy proposed by Rinaldi (1988). However, based on the specimen’s general appearance, we think the synonymy is most probably correct.

Distribution. Eastern Brazil, from the state of Rio Grande do Norte to Rio Grande do Sul ( Fig. 15a ).

Material examined. BRAZIL. Alagoas: 1 ♀, Campo Alegre, Foz do Rio Jequiá , [9°49'14''S, 36°15'7''W], C. A. Camargo & E. Dante leg., 30 October 1952 ( MZSP 9780 ); 1 ♀, Maceió , [9°39'57''S, 35°44'6''W], F. Lane leg., 2–6 November 1976 ( MZSP 74365 ) . Bahia : 1 ♀, Brumado, Magnesita , [14°10'52.15''S, 41°42'0.7''W, 716 m], P.H. Martins et al. leg., 24 February 2017 ( UFMG 22217 ) . Minas Gerais: 1 ♀, Belo Horizonte, Parque Municipal das Mangabeiras , [19°56'50.34''S, 43°54'18.9''W, 1080 m], H.H. Santos et al. leg., 21–23 July 2009 ( UFMG 6508 ) ; 1 ♀, [19°57'14.86''S, 43°54'19.15''W], 20–22 January 2009 ( UFMG 7997 ) ; 1 ♀, Brumadinho, Serra da Calçada , [20°5'42.2''S, 43°59'6.8''W,], B.T. Faleiro leg., 15 March 2016 ( UFMG 22098 ) ; 2 ♀, Catas Altas, Serra do Caraça , [20°5'51''S, 43°29'18''W,], Martins et al. leg., 24 February–3 March 1972 ( MZSP 74366 ) ; 1 ♀, Leme do Prado, Estação Ecológica de Acauã, Poção , [17°7'56.22''S, 42°46'7.98''W, 795m], P.H. Martins leg., 18–28 February 2013 ( UFMG 19983 ) ; 1 ♀, Ouro Preto, Parque Estadual do Itacolomi , [20°26'5.3''S, 43°30'32.6''W, 1326m], K.P. Santos et al. leg., 11–13 April 2008 ( UFMG 2344 ) ; 1 ♀, Estalagem Sesc Ouro Preto , [20°22'39.42''S, 43°33'30.72''W, 1285m], A.J. Santos leg., 5 November 2016 ( UFMG 22216 ) ; 1 ♀, São Gonçalo do Rio Abaixo, Estação de Preservação e Desenvolvimento Ambiental de Peti , [19°53'0''S, 43°22'0''W,], G.H.F. Azevedo et al. leg., 9 December 2012 ( UFMG 12964 ) . Paraíba: 2 ♂, Campina Grande, São José da Mata, Sítio São Miguel , [7°10'55''S, 35°59'5''W], A.D. Brescovit leg., 10 April 1997 ( IBSP 8900 ) . Paraná: 1 ♂, 1 ♀, Bituruna , [26°9'39''S, 51°33'10''W], V. Staviarsky leg., February 1948 ( MNRJ 6898 ) ; 1 ♂, Candói , [25°34'15''S, 52°3'10''W], M.C. de Paula leg., 24 November 2003 ( IBSP 57942 ) ; 1 ♂, Coronel Domingos Soares, UHE Governador Ney Aminthas de Barros Braga, Foz do Rio Iratim , [26°1'32''S, 51°53'37''W], R. Pinto-da-Rocha & A.P. Barreto leg., 23 November 1991 ( MZSP 14646 ) ; 2 ♂ 1 ♀, Curitiba , [25°36'56''S, 53°7'40''W], A.D. Brescovit leg., 2 November 1987 ( IBSP 14180 ) ; 1 ♀, [25°25'47''S, 49°16'19''W], Z. Rohr leg., ( MNRJ 18385 ) ; Guarapuava, Estância Santa Clara , [25°22'23''S, 51°29'6''W], A.D. Brescovit leg., 22 November 1987 ( IBSP 2391 ) ; 1 ♀, Imbituva, Rodovia BR373, km 80, Estrada Ponta Grossa-Guarapuceno , [25°10'28''S, 50°37'24''W], P. Biasi leg., 28 April 1967 ( MZSP 7014 ) ; 1 ♂, Paranaguá, Parque Nacional de Saint-Hilaire-Lange, Fazenda Niteroi , [25°39'38.1''S, 48°35'45.1''W, 80 m], L.S. Carvalho leg., 11 October 2014 ( UFMG 22099 ) ; 1 ♂, Pinhão , [25°41'45''S, 51°39'36''W], R. Pinto-da-Rocha leg., 22 November 1991 ( MCN 22221) ; 1 ♂, Reserva do Iguaçu, UHE Governador Ney Aminthas de Barros Braga , [25°59'53''S, 51°59'14''W], R. Pinto-da-Rocha & M.R.S. Lopes leg., 25 October 1991 ( MZSP 14639 ) ; 2 ♂, R. Pinto-da-Rocha & A.P. Barreto leg., 22 November 1991 ( MZSP 14647 ) ; 1 ♀ ( MZSP 14664 ) ; 1 ♂, Tijucas do Sul, Lagoa , [25°57'6''S, 49°13'15''W], J. Ricetti leg., 28 October 2001 ( IBSP 39045 ) ; 1 ♂, Toledo , [24°42'50''S, 53°44'34''W], S.M. Hefler et al. leg., October–December 2003 ( IBSP 57902 ) ; [24°42'50''S, 53°44'43''W], 1 ♀, October–December 2003 ( IBSP 57900 ) ; 2 ♂ ( IBSP 57908 ) . Pernambuco: 1 ♀, Santa Cruz do Capibaribe, Serra do Pará, [7°52'29.2''S, 36°24'10.06''W], F.M.G. Las-Casas leg., 27 October 2012 ( UFMG 13603 ) . Rio Grande do Norte: 1 ♀, Parnamirim , [5°54'57''S, 35°15'46''W], M. Alvarenga leg., 11 February 1952 ( MZSP 3088 ) . Rio Grande do Sul: 1 ♀, Arroio do Meio , [29°24'3''S, 51°56'42''W], A.A. Lise leg., 9 January 1985 ( MCN 13070) ; 2 ♂, Barra do Ribeiro , [30°17'27''S, 51°18'3''W], M.L. Tavares leg., 1 November 1976 ( MCN 4742 ) ; 4 ♀, Camaquã , [30°52'26''S, 51°35'43''W], Ferrari & Freitas leg., 16 November 2016 ( UFMG 22215 ) ; 1 ♂ 1 ♀, Cambará do Sul, [29°2'52''S, 50°8'42''W], L.A. Moura leg., 2 November 1993 ( MCN 24375) ; 3 ♂ 1 ♀, A.B. Bonaldo leg., 26 November 1993, (MCN 24416); 1 ♂ 1 ♀, M.A.L. Marques leg., 24 November 1993 (MCN 24437); 1 ♂, N. Silveira leg., 20 October 1994 (MCN 25818); 1 ♂, Candelária, Cerro do Botucaraí , [29°42'26''S, 52°50'17''W], A.F. Franceschini leg., 8–9 October 2001 ( MCN 34076) ; 1 ♂, Canela, Floresta Nacional de Canela , [29°19'12.7''S, 50°49'2.6''W, 812 m], L.S. Carvalho leg., 24 October 2014, ( UFMG 22100 ) ; 1 ♀, [29°21'57''S, 50°48'57''W], A.A. Lise leg., 2 February 1965 ( MCN 332 ) ; 6 ♀, 3 February 1967 ( MCN 549 ) ; 2 ♂, 7 October 1967 ( MCN 648 ) ; 1 ♂ ( MCN 650 ) ; 3 ♂ 1 ♀, 31 December 1973 ( MCN 2073 ) ; 2 ♂ 2 ♀ 1 imm., 2 December 1973 ( MCN 2191 ) ; 1 ♀, 15 February 1972 ( MCN 2469 ) ; 1 ♂ 1 ♀, 7 October 1967 ( MCN 2594 ) ; 1 ♀, 10 February 1969 ( MCN 7538 ) ; 1 ♀, 5 February 1973 ( MCN 8833 ) ; 6 ♂, 3 February 1967 ( MCN 9311 ) ; 1 ♂ 1 imm., Usina Hidrelétrica Canastra , [29°23'36''S, 50°44'44''W], E.H. Buckup leg., 20 November 1997 ( MCN 28843) ; 1 ♂ 1 ♀, A.F. Franceschini leg., 15 December 1999 (MCN 32017); 4 ♂, Canoas , [29°55'12''S, 51°10'48''W], E.H. Buckup leg., 13 December 1990 ( MCN 20198) ; 1 ♀, Caxias do Sul, Distrito de Vila Oliva , [29°13'39''S, 50°53'29''W], A.A. Lise leg., 5 April 1975 ( MCN 2539 ) ; 1 ♂, [29°10'4''S, 51°10'44''W], L.A. Moura leg., 19–20 November 1993 (MCN 24613); 3 ♀, Derrubadas, Parque Estadual do Turvo, Salto do Yucumã , [27°8'45''S, 53°53'14''W], A.A. Lise leg., 16 January 1985 ( MCN 13059) ; 29 ♂ 19 ♀ 1 imm., Parque Estadual do Turvo , [27°8'44''S, 53°53'10''W], R. Ott et al. leg., 27–31 October 2003 ( MCN 37828) ; 8 ♂ 7 ♀ (MCN 38861); 1 ♂ 1 ♀, 19–22 October 2004 (MCN 38869); 7 ♂ 7 ♀ (MCN 38871); 38 ♂ 36 ♀ (MCN 38880); 1 ♂, Dom Pedro de Alcântra , [29°22'8''S, 49°51'0''W], A.A. Lise leg., 21 November 1976 ( MCN 4835 ) ; 2 ♂, Estrela Velha, Usina Hidrelétrica Itaúba , [29°15'23''S, 53°13'39''W], A. Silva leg., 20 October 1998 ( MCN 30773) ; 1 ♀ (MCN 30774); 1 ♀, 2 October 1998 (MCN 30787); 3 ♂ 2 ♀, A.F. Franceschini leg., 28 October 1999 (MCN 31954); 1 ♂, A.B. Bonaldo leg., 27 October 1999 (MCN 31998); 1 ♀ (MCN 31999); 1 ♂ 2 ♀, A.F. Franceschini leg., 17–21 January 2000 (MCN 32133); 1 ♀, General Câmara , [29°54'18''S, 51°45'36''W], J. Pinto leg., 14 October 1982 ( MCN 10820) ; 1 ♀, E.H. Buckup, 19 October 1982 (MCN 10901); 1 ♀, M. Rosenau leg., 14 October 1982 (MCN 11094); 1 ♀, Gravataí, Distrito de Morungava , [29°50'54''S, 50°54'1''W], A.D. Brescovit leg., 2 February 1992 ( MCN 21988) ; 1 ♀, Guabijú, Fundação Ecológica, Cultural e Social Guabijuense , [28°32'30''S, 51°41'11''W], A.F. Franceschini leg., 9–11 October 2000 ( MCN 33399) ; 1 ♂ 1 ♀, Igrejinha , [29°34'26''S, 50°47'24''W], P. Biasi leg., 19 October 1967 ( MZSP 7161 ) ; 2 ♂, Iraí , [27°11'38''S, 53°15'3''W], A.A. Lise leg., 19 November 1975 ( MCN 3046 ) ; 1 ♀, Itaara, Reserva Biológica Ibicuí- Mirim , [29°33'5''S, 53°48'27''W], N. Silveira leg., 10 December 1992 ( MCN 22637) ; 1 ♂, Júlio de Castilhos, Barragem de Itaúba , [29°15'28''S, 53°13'50''W], A.B. Bonaldo leg., 22 October 1998 ( MCN 30598) ; 4 ♀ 1 imm., Lajeado , [29°28'1''S, 51°57'39''W], A.A. Lise leg., 20 April 1974 ( MCN 1995 ) ; 2 ♂, Maquiné, Rio Maquiné , [29°36'29''S, 50°15'55''W], E.N.L. Rodrigues leg., 20 November 2007 ( MCN 48430) ; 1 ♂, Montenegro , [29°41'20''S, 51°27'39''W], H. Bischoff leg., 29 September 1977 ( MCN 6620 ) ; 1 ♀, A.A. Lise leg., ( MCN 6624 ) ; 2 ♂, Morro Reuter, BR 116, Km 80, [29°32'30''S, 51°4'45''W], 7 October 1967 ( MCN 1341 ) ; 3 ♀ 8 imm. ( MCN 2276 ) ; 3 ♂ 1 ♀, Novo Hamburgo, Bairro Lomba Grande, Morro dos Bois , [29°45'58''S, 51°2'27''W], 27 November 1980 ( MCN 9430 ) ; 1 ♀, Porto Alegre , [30°1'58''S, 51°13'48''W], C.A. Hartlieb leg., 8 December 1962 ( MCN 1252 ) ; 1 ♂, L. Jantsch leg., March 1980 ( MCN 8993 ) ; 1 ♂, A. Tavares leg., 27 September 1985 (MCN 13479); 1 ♂, Bairro Morro Santana , [30°2'20''S, 51°7'43''W], R.A. Ramos leg., 28 October 1989 ( MCN 18979) ; 1 ♂ 1 imm., [30°1'58''S, 51°13'48''W], P. Buck ( MNRJ 41913 ) ; 1 ♂ 1 ♀ 45 imm., Rio Grande, Estação Ecológica do Taim , [32°44'33''S, 52°34'28''W], M. Rosenau leg., 17 October 1985 ( MCN 13801) ; 2 ♂ 2 ♀, M.A.L. Marques leg., 28 November 1985 (MCN 13941); 1 ♂ 2 ♀ 2 imm., H.A. Gastal leg. (MCN 13949); 2 ♀ 1 imm., M. Rosenau leg. (MCN 13953); 1 ♂ 1 ♀, A.A. Lise leg., 14 December 1985 (MCN 14151); 1 ♂ 1 ♀, 17 December 1985 (MCN 14169); 2 ♂ 5 ♀ 1 imm,, M. Rosenau leg., 4 December 1986 (MCN 16121); 2 ♂ 7 ♀ 2 imm., M.A.L. Marques leg. (MCN 16127); 1 ♀, A.D. Brescovit leg. (MCN 16141); 3 ♂ 3 ♀, E.H. Buckup leg. (MCN 16144); 1 ♂ 1 ♀, M.C. Moraes (MCN 16306); 1 ♀, 1 December 1986 (MCN 16314); 1 ♂ 2 imm., M.A.L. Marques leg., 2 December 1986 (MCN 16315); 6 ♂ 5 ♀, M. Rosenau leg., 4 December 1986 (MCN 16318); 10 ♂ 3 ♀ 3 imm. (MCN 16345); 1 ♂ 2 ♀, A.A. Lise leg., 7 January 1987 (MCN 16626); 5 ♀, Santa Maria , [29°41'2''S, 53°48'25''W], A.D. Brescovit leg., 2 November 1985 ( MCN 14561) ; 3 ♂ (MCN 14562); 1 ♂, São Francisco de Paula, Barragem dos Bugres , [29°20'48''S, 50°42'7''W], M.A.L. Marques leg., 18 Noveber 1997 ( MCN 28811) ; 4 ♂, 4–6 November 1998 (MCN 30798); 8 ♂, 23–25 November 1998 (MCN 30810); 5 ♂ 7 ♀ 3 imm., Usina Hidrelétrica Passo do Inferno , [29°16'12''S, 50°45'17''W], E.H. Buckup leg., 19 November 1997 ( MCN 28812) ; 7 ♂ 3 ♀, M.A.L. Marques leg. (MCN 28817); 1 ♂ 1 ♀, L.A. Moura leg., 3 November 1998 (MCN 29736); 1 ♂ 1 ♀, A. Silva leg., 16 December 1999 (MCN 32032); 5 ♂, Fazenda Três Cachoeiras , [29°15'29''S, 50°45'30''W], A.B. Bonaldo leg., 5 November 1998 ( MCN 30868) ; 1 ♀, Taquara, Morro da Pedra , [29°42'0''S, 50°53'36''W], 17 February 1995 ( IBSP 6719 ) ; 1 ♀, Triunfo , [29°56'34''S, 51°43'4''W], E.H. Buckup leg., 15 September 1977 ( MCN 6491 ) ; 2 ♂, 20 October 1977 ( MCN 6874 ) ; 1 ♀, A.A. Lise leg. ( MCN 6878 ) ; 3 ♂, Parque Copesul de Proteção Ambiental , [29°51'45''S, 51°22'13''W], M.A.L. Marques leg., 30 November 1987 ( MCN 17048) ; 4 ♂, 24 October 1988 (MCN 17879); 1 ♂ 1 ♀, E.H. Buckup leg., 21 September 1989 (MCN 18640); 8 ♂ 6 ♀, A.D. Brescovit leg., 24 October 1989 (MCN 18879); 4 ♂ 4 ♀, E.H. Buckup leg., 28 November 1989 (MCN 19000); 1 ♀, A.B. Bonaldo leg., 17 September 1993 (MCN 24006); 1 ♂, P. Preiss leg., 28 November 2000 (MCN 33508); 1 ♂ 1 ♀, A. Barcellos & L. Schmidt leg., 22 October 2003 (MCN 36468); 1 ♀, 21 October 2003 (MCN 36516); 1 ♂ 2 ♀, R. Ott leg. (MCN 36636); 2 ♂ 2 ♀, R. Ott et al. leg., 24 August 2004 ( MCN 38299) ; 1 ♂, 6 January 2005 (MCN 38349); 1 ♂, E.N.L. Rodrigues leg., 29 April 2005 (MCN 40080); 2 ♀, M.A.L. Marques leg., 12 November 2007 (MCN 43696); 2 ♂ 5 ♀, A. Barcellos & L. Schmidt leg. (MCN 43722); 1 ♀, A. Barcellos et al. leg., 9 July 2008 ( MCN 44168) ; 5 ♂ 2 ♀, A. Barcellos leg., 11 November 2008 (MCN 44987); 1 ♂, M.A.L. Marques leg., 12 December 2008 (MCN 45540); 2 ♂, M.R.M. Poeta leg., (MCN 45549); 1 ♀, Parque Braskem de Proteção Ambiental , [29°51'57''S, 51°21'55''W], M. Pairet Jr leg., 15 September 2009 ( MCN 46524) ; 2 ♂ 1 ♀, M.A.L. Marques leg., 4 December 2009 (MCN 46913); 1 ♀, M.R.M. Poeta leg. (MCN 46920); 1 ♂, P.E.S. Rodrigues leg. (MCN 46935); 2 ♀, Viamão, Estação Experimental Fitotécnica Águas Belas , [30°5'18''S, 51°1'26''W], A.A. Lise leg., 29 December 1976 ( MCN 4946 ) ; 1 ♀, A.D. Brescovit leg., 18 October 1985 (MCN 14452); 2 ♂ 2 ♀, Sede Campestre do Colégio Farroupilha , [30°6'34''S, 50°58'46''W], M.A.L. Marques leg., 8 October 1997 ( MCN 28590) . Santa Catarina: 1 ♂, Chapecó , IBAMA, [27°6'2''S, 52°36'38''W], T. Kunst leg., ( IBSP 58132 ) ; 3 ♀, Concórdia, Parque Estadual Fritz Plaumann , [27°17'27''S, 52°6'53''W], J. Griss leg., October 2005 – July 2006 ( MCN 42194) ; 1 ♂, Maracajá , [28°50'49''S, 49°27'10''W], R.A. Teixeira leg., 23 August 2006 ( IBSP 79741 ) ; 2 ♂ 1 ♀, Porto Belo , [27°9'28''S, 48°33'10''W], F.Z. da Cruz leg., 27 October 1984 ( MCN 12574) ; 1 ♀, Rancho Queimado , [27°40'22''S, 49°1'19''W], L.A. Moura leg., 8–11 October 1994 ( MCN 25885) ; 2 ♀, 13–15 January 1995 (MCN 26474); 1 ♀, 15–18 November 1995 (MCN 26940); 1 ♀, Santo Amaro da Imperatriz , [27°41'16''S, 48°46'44''W], E.H. Buckup leg., 3 October 1986 ( MCN 16031) ; 1 ♀, São Bento do Sul, Centro de Estudos e Pesquisas Ambientais Rugendas , [26°19'29.9''S, 49°18'26.4''W, 617 m], I.L.F. Magalhães et al. leg., 16–20 December 2011 ( UFMG 11240 ) ; 1 ♂, São Cristóvão do Sul, Monte Alegre , [27°18'0''S, 50°25'59''W], J.M.M. leg., 2001–2002 ( IBSP 141412 ) . São Paulo: 1 ♂, Atibaia, Parque Florestal do Itapetinga , [23°12'18''S, 46°29'59''W], G. Machado, 27 October 2002 ( IBSP 36662 ) ; 1 ♀, Campos do Jordão, Parque Estadual Campos do Jordão, estrada para Bosque Vermelho , [22°41'23.3''S, 45°28'58.6''W, 1519 m], V. S.R. Diniz & B.T. Faleiro leg., 2 October 2015 ( UFMG 22093 ) ; 1 ♀ ( UFMG 22094 ) ; 1 ♂ ( UFMG 22095 ) ; 3 ♂ ( UFMG 22096 ) ; 1 ♂ ( UFMG 22097 ) ; 1 ♂, Capão Bonito, Parque Estadual Intervales , [24°16'6''S, 48°24'50''W], A.D. Brescovit et al. leg., 8–10 October 2011 ( IBSP 168639 ) ; 1 ♀, Cunha, Parque Estadual da Serra do Mar, Núcleo Cunha , [23°14'4.6''S, 45°1'23.9''W, 1018 m], V. S.R. Diniz & B.T. Faleiro leg., 25 September 2015 ( UFMG 22091 ) ; 1 ♀ ( UFMG 22092 ) ; 2 ♀, Guarulhos , [23°27'46''S, 46°31'58''W], F.S. Pereira leg., 14–15 June 1942 ( MZSP 357 ) ; 1 ♂, Itapevi , [23°32'56''S, 46°56'2''W], C. Bertim & V. Onófrio leg., January–December 1999 ( IBSP 122118 ) ; 1 ♀, Itú, Fazenda Pau d'Alho , [23°15'50''S, 47°17'56''W], P. Biasi leg., 27–29 October 1965 ( MZSP 5295 ) ; 1 ♂ 2 ♀, Jundiaí , [23°11'11''S, 46°53'3''W], C.A. Rheims leg., 30 October–2 November 1998 ( IBSP 20167 ) ; 2 ♀, 9–12 October 1999 ( IBSP 26255 ) ; 1 ♂, Reserva Biológica Municipal da Serra do Japi , [23°12'31''S, 46°57'58''W], A.J. Santos leg., 12–17 November 1997 ( IBSP 38814 ) ; 1 ♀, C. Vieira leg., 2008–2009 ( IBSP 140799 ) ; 1 ♂, [23°13'1''S, 46°56'0''W] ( IBSP 140804 ) ; 1 ♂, Juquitiba , [23°55'54''S, 47°4'6''W], R.S. Mattos leg., 11 October 1983 ( IBSP 14245 ) ; 1 ♀, Mogi das Cruzes, Distrito de Biritiba-Ussu , [23°38'8''S, 44°7'25''W], E. Kashimata & R. Martins leg., May 2001 ( IBSP 56324 ) ; 1 ♀ ( IBSP 56332 ) ; 1 ♀ ( IBSP 56591 ) ; 1 ♀, Monte Alegre do Sul, Fazenda Santa Maria , [22°40'55''S, 46°40'51''W], B.A.M. Soares leg., 18–19 December 1942 ( MZSP 335 ) ; 2 ♂, Salesópolis, Estação Biológica de Boracéia , [23°37'59''S, 45°31'59''W], K. Lenko leg., 10 November 1960 ( MZSP 1200 ) ; 1 ♂, 17 October 1960 ( MZSP 1208 ) ; 1 ♀, 18 October 1960 ( MZSP 1217 ) ; 1 ♂, 19 October 1960 ( MZSP 1219 ) ; 1 ♂, 10 November 1960 ( MZSP 1220 ) ; 2 ♀, 1–2 June 1961 ( MZSP 1741 ) ; 1 ♀, B.A.M. Soares leg., 8–10 February 1942 ( MZSP 3446 ) ; 3 ♀, P. Biasi leg., 12 January 1961 ( MZSP 9807 ) ; 1 ♀, 23 October 1965 ( MZSP 74370 ) ; 2 ♂ 2 ♀, Santo André, Reserva Biológica do Alto da Serra de Paranapiacaba , [23°46'47''S, 46°18'39''W], C. A. Rheims & R.P. Indicatti leg., 14–16 December 2003 ( IBSP 52035 ) ; 1 ♀, São Bernardo do Campo, Represa Billings , [23°47'11''S, 46°33'12''W], P. Biasi leg., 7 February 1968 ( MZSP 74369 ) ; 1 ♀, São Paulo, [23°32'51''S, 46°38'10''W], May 1962 ( IBSP 1782 ) ; 1 ♀, [23°33'1''S, 46°38'2''W], 1960 ( IBSP 1879 ) ; 1 ♀, Bairro Butantãn, Parque da Previdência , [23°34'51''S, 46°43'34''W], J. Império leg., 27 November 2000 ( IBSP 29010 ) ; 1 ♀ ( IBSP 29011 ) ; 1 ♂ ( IBSP 29113 ) ; 1 ♂, Reservatório Guarapiranga, Ilha dos Eucaliptos , [23°44'2''S, 46°44'1''W], I. Cizauskas & C.R.M Garcia leg., 7–13 October 2003 ( IBSP 66915 ) ; 1 ♂, Campus do Instituto Butantan , [23°34'3''S, 46°43'6''W], R.H. Moraes leg., 5–7 October 2014 ( IBSP 167745 ) ; 1 ♀, Parque Residencial Cocaia, Represa Billings , [23°45'55''S, 46°40'59''W], H. Urban leg., 7 November 1948, ( MZSP 873 ) ; 1 ♀ 3 December 1951 ( MZSP 2300 ) ; 1 ♀, Bairro Vila Ema , [23°35'17''S, 46°32'37''W], J. Damico leg., December 1941 ( MZSP 3433 ) ; 1 ♂ 1 ♀, Ubatuba, Parque Estadual da Serra do Mar, núcleo Picinguaba , [23°21'29''S, 44°51'2''W], L.S. Rocha leg., November 1996 ( IBSP 7684 ) . Tocantins: 1 ♀, Porto Nacional , [10°42'28''S, 48°25'1''W], I. Knysak e R. Martins leg., 28 October–4 November 2001 ( IBSP 159729 ) .

Figures

FIGURE 1a–d. Runcinioides spp., live specimens (a–b Runcinioides litteratus (Piza, 1933), c–d Runcinioides argenteus Mello-Leitão, 1929). a female from Belo Horizonte, Brazil (UFMG 22089, photo by L.S. Carvalho); b female from Belo Horizonte, Brazil (UFMG 12660, photo by P.H. Martins); c male from Campos do Jordão, Brazil, in Ruellia sp. (Acanthaceae) (UFMG 22095, photo by V.S.R. Diniz); d female from Campos do Jordão, Brazil, in an unidentified Asteraceae, feeding on a Syrphinae fly (UFMG 22093, photo by V.S.R. Diniz).

FIGURE 2a–d. Runcinioides argenteus Mello-Leitão, 1929. (a female holotype, b female (UFMG 6508), c–d male (UFMG 22097). a epigynum ventral.; b vulva dorsal; c–d left palp (c ventral, d retrolateral). Abbreviations: AO, anchor openings; CD, copulatory duct; CP, coupling pocket; Cy, cymbium; E, embolus; Eb, embolus base; FD, fertilization duct; RTA, retrolateral tibial apophysis; S, spermatheca; SG, spermatheca gland; SS, spermatheca stalk; T, tegulum; Tu, tutaculum; VTA, ventral tibial apophysis. Scale bars: a–b, 0.1 mm. c–d, 0.2 mm.

FIGURE 3a–f. Runcinioides argenteus Mello-Leitão, 1929 (a–e female holotype, f female (UFMG 6508). a–b habitus (a dorsal, b ventral); c–d prosoma (c frontal, d ventral); e epigynum ventral.; f vulva dorsal. Abbreviations: AO, anchor openings; CD, copulatory duct; CP, coupling pocket; FD, fertilization duct; S, spermatheca; SG, spermatheca gland; SS, spermatheca stalk. Scale bars: a–b, 1.0 mm. c–d, 0.6 mm. e–f, 0.1 mm.

FIGURE 4a–f. Runcinioides argenteus Mello-Leitão, 1929 (male, UFMG 22097). a–b habitus (a dorsal, b ventral); c–d prosoma (c frontal, d ventral); e–f left palp (e ventral, f retrolateral). Abbreviations: Cy, cymbium; E, embolus; Eb, embolus base; RTA, retrolateral tibial apophysis; T, tegulum; Tu, tutaculum; VTA, ventral tibial apophysis. Scale bars: a–b, 1.0 mm. c, 0.4 mm. d, 0.5 mm. e–f, 0.3 mm.

FIGURE 5a–f. Runcinioides argenteus Mello-Leitão, 1929 (female, UFMG 22215). a epigynum ventral; b–c coupling pocket (b posterior, c ventral); d–e vulva (d dorsal, e anterior); f right spermatheca gland. Abbreviations: AO, anchor openings; CD, copulatory duct; CO, copulatory opening; CP, coupling pocket; FD, fertilization duct; S, spermatheca; SG, spermatheca gland; SS, spermatheca stalk; Scale bars: a, d–e, 100 µm. b–c, 50 µm. f, 10 µm.

FIGURE 8a–d. Metadiaea paranensis Mello-Leitão, 1932 (male holotype). a–b habitus (a dorsal, b ventral); c–d left palp (c ventral, d retrolateral). Scale bars: a–b, 1.0 mm. c–d, 0.3 mm.

FIGURE 15a–b. Geographic distribution records of Runcinioides species. a R. argenteus Mello-Leitão, 1929 (large orange triangle indicates the type locality); b R. litteratus (Piza, 1933) (large, light blue circle indicates the type locality).