Costalampys minima sp. nov. Silveira, Roza, Vaz & Mermudes

da Silveira, Luiz Felipe Lima, Roza, Andre Silva, Vaz, Stephanie & Mermudes, Jose Ricardo M., 2021, Description and phylogenetic analysis of a new firefly genus from the Atlantic Rainforest, with five new species and new combinations (Coleoptera: Lampyridae: Lampyrinae), Arthropod Systematics & amp; Phylogeny 79, pp. 115-150 : 115

Costalampys minima sp. nov. Silveira, Roza, Vaz & Mermudes Figs 18A-K , 22

Diagnostic description.

Overall brown. Pronotal disc (Fig. 18D ) brown, with light brown vittae, expansions testaceous, mildly translucent anteriorly. Elytron (Fig. 18A ) light brown, without any pale-yellow longitudinal stripe. Legs (Fig. 18B ) brown, except for trochanters, which are light brown. Sternum VIII (Fig. 18F ) entirely translucent. Pygidium entirely dark brown or with paired translucent, elongate spots a 1/3 × as wide as pygidium.

Pronotum (Fig. 18D ) with sides rounded, divergent posteriorly. Male. Total length = 5.4-6.3 mm (aver. 5.85 mm); Pronotal length = 1.0-1.3 mm (aver. 1.15 mm); Pronotal width = 1.7-2.0 mm (aver. 1.85 mm); Elytral length = 4.7-5.0 mm (aver. 4.85 mm); Elytral width = 1.2-1.4 mm (aver. 1.3 mm). Antennomere III with lamella about 2.x longer than core antennomere. Sternum VI and VII (Fig. 18B, E ) with translucent spots about 1/2 × as long and 1/6 × as wide as sterna, lanterns rudimentary. Sterna VI and VII (Fig. 18B, E ) with minute, central translucent round spots that look like rudimentary lanterns. Sternum VIII with posterior margin bisinuose. Pygidium with sides rounded, posterior corners weakly developed, posterior margin rounded to almost straight. Syntergite (Fig. 18G, H ) boomerang-shaped (with anterior margin strongly curved). Phallus (Fig. 18I-K ) with dorsal plate curved almost straight in lateral view, with sides straight and acuminate at apical half. Paramere apex curved ventrally, ventral projection (lateral view) rudimentary. Female. unknown.

Remarks.

Costalampys minima sp. nov. is unique among its congenerics by the color pattern (described above).

Etymology.

Minima is a Latin adjective that means tiny.

Types.

Holotype: BRAZIL: Rio Grande do Norte: 1♂, Baia Formosa, RPPN Mata Estrela, Entrada na estrada, RN2014-04, 6°22 ’27,5’’ S, 35°1 ’24,8’’ W, 24-25.VI.2014, DMT col. (DZRJ). Paratype: BRAZIL: Piauí: 7♂, P. N. Sete Cidades, Piracuruca, Riacho da piedade, Pi-004 (4°6 ’34’’ S, 41°43 ’39’’ W), 169 m, Malaise trap, 21-24.IV.2012, Rafael et al. col. (DZRJ); 1♂, Piracuruca, P. N. de Sete Cidades, Abaixo da cachoeira do Riachão, Pi-002 (4°6 ’28’’ S, 41°40 ’13’’ W, 171 m), Pennsylvania trap, Takiya col. (DZRJ).

Figures

Figure 18. Costalampys minima sp. nov. A, Male habitus, dorsal view; B, Male habitus, ventral view; C, Male antenna, lateral view; D, Male pronotum, dorsal view; E, Male terminal segments, ventral view; F, Pygidium, dorsal view; G, Syntergite, dorsal view; H, Sternum IX, Ventral view; I, Aedeagus, dorsal view; J, Aedeagus, lateral view; K, Aedeagus, ventral view. Scale bar: 2 mm (A-B); Scale bar: 1.0 mm (C; E); Scale bar: 0.5 mm (D; F-K).

Figure 22. Distribution map of Costalampys gen. nov. species.