Crematogaster (Physocrema) onusta Stitz,

Hosoishi, Shingo & Ogata, Kazuo, 2009, A taxonomic revision of the Asian endemic subgenus Physocrema of the genus Crematogaster (Hymenoptera: Formicidae), Zootaxa 2062, pp. 15-36: 26-27

publication ID

http://doi.org/ 10.5281/zenodo.186855

publication LSID

lsid:zoobank.org:pub:85FC2E42-200C-4102-899E-5684317234EA

persistent identifier

http://treatment.plazi.org/id/394D9466-FFCD-FFF3-32E2-0C522C613ED9

treatment provided by

Plazi

scientific name

Crematogaster (Physocrema) onusta Stitz
status

 

Crematogaster (Physocrema) onusta Stitz 

( Figs 7, 15View FIGURES 10 − 17, 27View FIGURES 27 – 32)

Crematogaster (Physocrema) onusta Stitz, 1925: 118  . LECTOTYPE worker ( ZMHB worker, GBIF-D/FoCol 1439) (by present designation) and seven paralectotype workers from PHILIPPINES: Palawan (G. Boettcher) ( MCZC, ZMHB) [examined]. Combination in C. ( Paracrema  ) by Donisthorpe, 1941: 226.

Measurements and indices. HW 0.82–1.05; HL 0.76–0.95; CI 109–111; SL 0.66–0.85; SI 80–81; EL 0.18–0.22; PW 0.46–0.51; WL 1–1.22; PSL 0; PtL 0.28–0.34; PtW 0.22–0.26; PtH 0.14–0.16; PpL 0.16–0.19; PpW 0.2–0.24; PtHI 42–52; PtWI 67–86; PpWI 125–129; WI 94–100 (Three workers measured). Description of worker. Workers monomorphic in size.

Scape reaching posterior corner of head.

In lateral view, pronotum and mesonotum forming a single convexity; propodeum slightly raised relative to promesonotum. Anterior margin of pronotal collar slightly concave in dorsal view. Metanotal groove almost straight in dorsal view, not so deep and situated posterior to the posterior ridge of pronotum in lateral view; thorax not strongly constricted in middle in dorsal view. In dorsal view, several longitudinal rugulae connecting between mesonotum and propodeum; the boundary indistinct. Propodeal spiracle situated near the metapleural gland orifice, the distance between them about the same as the propodeal spiracle diameter. Propodeal spines absent.

Clypeus sculptured with longitudinal rugulae. Pronotum punctate, but without distinct rugulae.

Standing pilosity sparse, a few pairs on dorsal face of head and dorsal portion of mesonotum. Dorsal face of head with decumbent setae. Clypeus with setae. Fourth abdominal tergite with decumbent setae.

Body color varies from red (specimens from Tioman Island) to brown (specimens from other localities).

Distribution. This species is known from Tioman Island and Borneo ( Fig. 27View FIGURES 27 – 32).

Remarks. This species is very similar to C. (P.) physothorax  , but can be distinguished by the rugulae on the pronotum. This species was transferred to Paracrema  by Donisthorpe (1941), but is here replaced in Physocrema  .

Specimens examined. MALAYSIA: 3 workers, Tioman Island, 17–22. ix. 1992 (F. I t o); 5 workers, Sepilok, Sandakan, Sabah, 18. viii. 1981 (K. Masuko); 4 workers, 50 ha plot, Lambir N.P., Miri, Sarawak, 22. viii. 1995 (Sk. Yamane); 1 worker, Old Tower R., Lambir N. P., Miri, Sarawak, 23. viii. 1995 (H. Okido); 2 workers, Old Tower R., Lambir N. P., Miri, Sarawak, 25. i. 1993 (Sk. Yamane). INDONESIA: 1 worker, Barito Ulu 150m alt., Kalimantan, 16. viii. 2001 (Syaukani).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Crematogaster

Loc

Crematogaster (Physocrema) onusta Stitz

Hosoishi, Shingo & Ogata, Kazuo 2009
2009
Loc

Crematogaster (Physocrema) onusta

Donisthorpe 1941: 226
Stitz 1925: 118
1925