Laius sabangensis Wittmer, 1985

Yoshitomi, Hiroyuki, 2014, Comparative morphology of the endophallic structures of the genus Laius (Coleoptera, Melyridae), with the descriptions of three new species, European Journal of Taxonomy 97, pp. 1-29 : 16-18

publication ID	https://doi.org/10.5852/ejt.2014.97
publication LSID	lsid:zoobank.org:pub:D58FA727-9A10-4023-B178-9E6CCD1EA457
DOI	https://doi.org/10.5281/zenodo.3852580
persistent identifier	https://treatment.plazi.org/id/03933D4C-2057-FFA3-6D2E-843AFE1DFD7F
treatment provided by	Tatiana (2020-05-21 21:45:03, last updated 2024-11-26 06:55:00)
scientific name	Laius sabangensis Wittmer, 1985
status

Treatment

Figs 3G View Fig , 6D View Fig , 7G View Fig , 8G View Fig , 9G View Fig

Laius sabangensis Wittmer, 1985: 386 .

Material examined

Holotype, ♂ ( EUMJ), “ PHILIPPINES Sabang , N. of Mt. St. Paul , Palawan Julu , 11-13, 1977 M. Sato leg.”; 2 ♀♀ paratypes, 9 ♂♂, 6 ♀♀ ( EUMJ), same data as for the holotype.

Redescription

Male

HL/HW 0.84–0.91 (0.88); PW/PL 1.10–1.22 (1.16); EL/EW 1.38–1.50 (1.43); EL/PL 2.53–2.67 (2.59); EW/PW 1.50–1.62 (1.56); TL/EW 2.37–2.60 (2.48). Antennae ( Fig. 7G View Fig ) stout and short; antennomere I stout; antennomere III ( Fig. 8G View Fig ) trapezoidal, deeply concave in dorso-mesal portion, L/W = 0.86; approximate ratio of each antennomeres (n = 1) as 6.6: 1.0: 6.0: 2.4: 2.0: 2.2: 2.0: 2.2: 2.0: 2.2: 3.6. Caudal margin of tergite VII straight. Aedeagus ( Fig. 9G View Fig ) about 0.94 mm, concave at aedeagal apex. Gonoporal piece ( Fig. 3G View Fig ) straight, slender, 0.72 mm in GL; GL/AL 1.87. Ligula ( Fig. 3G View Fig ) long and winding; LL 0.41 mm; LW 0.06 mm; LL/LW 7.30; GL/LL 1.77. Additional sclerite ( Fig. 3G View Fig ) present, 0.10 mm.

Female

HL/HW 0.79–0.86 (0.81); PW/PL 1.16–1.21 (1.17); EL/EW 1.42–1.47 (1.45); EL/PL 2.61–2.78 (2.70); EW/PW 1.57–1.62 (1.59); TL/EW 2.36–2.47 (2.42). Antennae ( Fig. 7G View Fig ) short; antennomere III short, L/W = 2.5; approximate ratio of each antennomeres (n = 1) as 8.0: 1.0: 5.4: 2.0: 2.2: 2.4: 2.6: 2.2: 2.2: 2.2: 3.4.

Measurements

Male (n = 4): TL 4.03–4.73 (4.23) mm; HL 0.80–0.98 (0.85) mm; HW 0.90–1.08 (0.97) mm; PW 1.02– 1.20 (1.09) mm; PL 0.88–1.05 (0.94) mm; EL 2.35–2.70 (2.44) mm; EW 1.57–1.90 (1.71) mm. Female (n = 4): TL 4.18–4.30 (4.23) mm; HL 0.75–0.80 (0.76) mm; HW 0.92–0.95 (0.94) mm; PW 1.05–1.15 (1.10) mm; PL 0.90–0.95 (0.94) mm; EL 2.48–2.60 (2.53) mm; EW 1.70–1.82 (1.75) mm.

Distribution

Philippines (Palawan).

References

Champion G. C. 1924. Coleoptera from the Seychelles: Lampyridae, Helodidae, Cantharidae, Melyridae, and supplement to Cleridae. Transactions of the Royal Entomological Society of London 1923 (3 - 4): 295 - 304.

Fairmaire L. 1880. Diagnoses de coleopteres de Nossi-Be. Le Naturaliste 2: 246.

Pic M. 1922. Coleopteres Malacodermes nouveaux des Collections du Museum. Bulletin du Museum national d'Histoire naturelle (Paris) 28 (2): 157 - 161.

Wittmer W. 1973. Zur Kenntnis der Malachiidae (Col.) von Neuguinea, Neubritannien, Newireland und den Salomonen. Pacific Insects 15 (3 - 4): 289 - 352.

Wittmer W. 1985. 38. Beitrag zur Kenntnis der indo-malaiischen Fauna. Entomologische Arbeiten aus dem Museum G. Frey 33 - 34: 381 - 390.

Figures

Fig. 3. Endophallic sclerites of Laius spp. A. Laius baliensis sp. nov. (paratype). B. L. andamanensis sp. nov. (paratype). C. L. rodriguesensis sp. nov. (paratype). D. L. maai Wittmer, 1973 (paratype). E. L. marchei Pic, 1922. F. L. politus Fairmaire, 1880. G. L. sabangensis Wittmer, 1985 (paratype). H. L. sericatus Champion, 1924. I. L. submariniformis Wittmer, 1985 (paratype). J. L. asahinai Nakane, 1955.

Fig. 6. Dorsal habitus of Laius spp. (left: ♂; right: ♀). A. Laius maai Wittmer, 1973 (paratype). B. L. marchei Pic, 1922. C. L. politus Fairmaire, 1880. D. L. sabangensis Wittmer, 1985 (paratype). E. L. sericatus Champion, 1924. F. L. submariniformis Wittmer, 1985 (paratype). Scale bars = 1.0 mm.

Fig. 7. Left antennae of Laius spp. (above: male; below: female). A. Laius baliensis sp. nov. (paratype). B. L. andamanensis sp. nov. (paratype). C. L. rodriguesensis sp. nov. (paratype). D. L. maai Wittmer, 1973 (paratype). E. L. marchei Pic, 1922. F. L. politus Fairmaire, 1880. G. L. sabangensis Wittmer, 1985 (paratype). H. L. sericatus Champion, 1924. I. L. submariniformis Wittmer, 1985 (paratype).

Fig. 8. Male antennomere III of Laius spp. A. Laius baliensis sp. nov. (paratype). B. L. andamanensis sp. nov. (paratype). C. L. rodriguesensis sp. nov. (paratype). D. L. maai Wittmer, 1973 (paratype). E. L. marchei Pic, 1922. F. L. politus Fairmaire, 1880. G. L. sabangensis Wittmer, 1985 (paratype). H. L. sericatus Champion, 1924. I. L. submariniformis Wittmer, 1985 (paratype).

Fig. 9. Aegeagi of Laius spp. A. Laius baliensis sp. nov. (paratype). B. L. andamanensis sp. nov. (paratype). C. L. rodriguesensis sp. nov. (paratype). D. L. maai Wittmer, 1973 (paratype). E. L. marchei Pic, 1922. F. L. politus Fairmaire, 1880. G. L. sabangensis Wittmer, 1985 (paratype). H. L. sericatus Champion, 1924. I. L. submariniformis Wittmer, 1985 (paratype).