Faleiro, Bárbara T.; Santos, Adalberto J.
Runcinioides argenteus Mello-Leitao 1929
Revision of the crab-spiders of the genus Runcinioides Mello-Leitão, 1929 (Araneae, Thomisidae)
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 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 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 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).
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Reserva Biologica Municipal da Serra do Japi
Reserva Biologica do Alto da Serra de Paranapiacaba