Laius sericatus Champion, 1924

Figs 3H, 6E, 7H, 8H, 9H

Laius sericatus Champion, 1924: 301 .

Material examined

2 ♂♂ (NMW), “ SEYCHELLES: Mahé Anse aux Coubes 23.03.2011 leg. M. Madl ”; 1 ♂, 1 ♀ (NMW), ditto but “ 21.03.2011 ”; 3 ♂♂, 2 ♀♀ (1 ♀ in ethanol; NMW, EUMJ), “ SEYCHELLES: Mahé Petite Police intertidal 28.10.2010, leg. M. Madl ” .

Redescription

Male

HL/HW 0.74–0.75 (0.75); PW/PL 1.27–1.31 (1.29); EL/EW 1.40–1.52 (1.47); EL/PL 2.90–3.04 (2.95); EW/PW 1.54–1.58 (1.56); TL/EW 2.27–2.42 (2.37). Antennae (Fig. 7H) long; antennomere I stout; antennomere III (Fig. 8H) transverse, shallowly and narrowly concave in dorsal portion, L/W = 0.72; approximate ratio of each antennomere (n = 1) as 6.6: 1.0: 4.7: 1.7: 1.7: 1.6: 1.6: 1.6: 1.6: 1.6: 2.6. Caudal margin of tergite VII concave. Aedeagus (Fig. 9H) about 1.22 mm, round at aedeagal apex. Gonoporal piece (Fig. 3H) straight, wide, 0.62 mm in GL; GL/AL 2.11. Ligula (Fig. 3H) short, slightly curved; LL 0.24 mm; LW 0.09 mm; LL/LW 2.69; GL/LL 2.58.

Female

HL/HW 0.77–0.92 (0.85); PW/PL 1.27–1.29 (1.28); EL/EW 1.41–3.53 (2.47); EL/PL 2.73–2.89 (2.81); EW/PW 0.61–1.59 (1.10); TL/EW 2.37–5.82 (4.10). Antennae (Fig. 7H) long; antennomere III relatively long, L/W = 2.73; approximate ratio of each antennomeres (n = 1) as 8.0: 1.0: 4.8: 2.0: 2.0: 2.0: 2.0: 2.0: 2.0: 2.0: 3.4.

Measurements

Male (n = 3): TL 5.20–5.55 (5.43) mm; HL 0.90–0.95 (0.92) mm; HW 1.20–1.28 (1.23) mm; PW 1.40– 1.55 (1.47) mm; PL 1.10–1.18 (1.14) mm; EL 3.20–3.50 (3.37) mm; EW 2.15–2.45 (2.30) mm. Female (n = 2): TL 4.62–4.95 (4.79) mm; HL 0.85–0.92 (0.89) mm; HW 1.00–1.10 (1.05) mm; PW 1.23–1.40 (1.32) mm; PL 0.95–1.10 (1.03) mm; EL 2.75–3.00 (2.88) mm; EW 0.85–1.95 (1.40) mm.

Distribution

Seychelles (Mahé, Félicité Isls.).