Luciuranus takiyae sp. nov. Silveira, Souto & Mermudes 2017

(Figs 58–74)

Diagnosis. Elytron entirely dark-brown (Figs. 58). Male with eye small (half as wide as distance between eyes) (Fig. 62); pygidium almost 4x sternum VIII greatest length, with lateral margins convergent posteriad, posterior margin with median third rounded, ventral keels convergent posteriad, sinuose in lateral view (Figs. 66–68); sternum IX 3x longer than aedeagus, arms lacking stout subapical setae, convergent posteriad, apices truncate, right arm slightly longer (Figs. 69–71); paramere slightly curved inwards, apex rounded (Figs. 72, 74).

Description. Male. Colour pattern overall dark brown, except by the yellow spots of rudimentary larval lanterns on sternum VIII (Figs. 58, 68). Pronotum with distance between posterior angles shorter than pronotal greatest width, narrower than distance between elytral humeri, posterior angles obtuse (Fig. 64). Hypomeron ventrally rounded (Fig. 63). Eye small (half as wide as distance between eyes) (Fig. 62), shorter than head (Fig. 63); antennomere IV 2x longer than wide (Fig. 61); pygidium almost 4x longer than sternum VIII greatest length, with lateral margins convergent posteriad, posterior margin with median third rounded, ventral keels convergent posteriad, sinuose in lateral view (Figs. 66–68); sternum VIII strongly emarginated (Fig. 68); sternum IX 3x longer than aedeagus, arms lacking stout subapical setae, convergent posteriad, apices truncate, right arm slightly longer (Figs. 69–71); syntergite bearing distinct transversal and medial sutures (Fig. 69, 70); aedeagus with phallus subparallel-sided, basal projections of parameres fused medially, then projected basally, paramere slightly curved inwards, apex rounded (Figs. 72, 74).

Etymology. The specific epithet takiyae is a noun in the genitive case, given after our colleague and friend, Professor Daniela Maeda Takiya, who was the first to find specimens of this species.

Type Material. Holotype: BRAZIL, Rio de Janeiro, Teresópolis, Parque Nacional da Serra dos Órgãos, 22°26'55'' S, 43°0'16'' W, II.2013, Silveira & Khattar leg., male (DZRJ 1619) . Paratype: BRAZIL, 22°26'51'' S, 43°0'19'' W, II/2013, Takiya & Santos leg., one male (DZRJ 1632) .