Crematogaster physothorax (Hosoishi, S. & Ogata, K. 2009)
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Ordo: Hymenoptera
Familia: Formicidae
Genus: Crematogaster
Name
Crematogaster physothorax Hosoishi, S., 2009 – Wikispecies link – Pensoft Profile
- Crematogaster physothorax Hosoishi, S., 2009, Zootaxa 2062: 27-28.
Description
(Figs 4, 5, 6, 16, 28)
Materials Examined
MYANMAR Thagata Fea
Description
Measurements and indices. HW 1.09-1.19; HL 0.97-1.13; CI 104-111; SL 0.89-1.01; SI 84-88; EL 0.20-0.23; PW 0.55-0.63; WL 1.12-1.39; PSL 0; PtL 0.32-0.38; PtW 0.23-0.28; PtH 0.16-0.19; PpL 0.19-0.24; PpW 0.24-0.26; PtHI 50-54; PtWI 71-83; PpWI 106-129; WI 90-106 (Three workers measured). Description of worker. Workers monomorphic or weakly polymorphic 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 posteriorly to the posterior ridge of pronotum in lateral view; thorax not strongly constricted in middle in dorsal view. In dorsal view, a few longitudinal rugulae connecting between mesonotum and propodeum; but the boundary distinct. 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. Integument essentially smooth and shining. Rugulae present on the anterior portion of dorsal face of head. Transverse rugulae present on the posterior portion of pronotum. Standing pilosity sparse, a few pairs on dorsal face of head and promesonotum. Dorsal face of head with appressed setae. Clypeus with decumbent setae. Fourth abdominal tergite with appressed setae. Body color black.
Distribution
Distribution. This species is known from Malay Peninsula; Myanmar (southeastern parts), Thailand (southern parts) and Malaysia (Peninsula) (Fig. 28).
Discussion
Remarks. This species is very similar to C. (P.) onustaHNS, but the dorsal portion of the pronotum is characteristic with transverse rugulae.
Materials Examined
Specimens examined. THAILAND: 1 worker, Bala-Hala, Naratiwat Province, 25. ix. 2001 (O. Jodnok); 1 worker, Bala-Hala, Naratiwat Province, 25. ix. 2001 (R. Phoonjampa); 1 worker, Bala-Hala, Naratiwat Province, 29. ix. 2001 (S. Hasin). MALAYSIA: 5 workers, Universiti Kebangsaan Malaysia Forest, Bangi, Selangor, 16. iii. 2005 (S. Hosoishi); 6 workers, 1 male, Ulu Gombak, 2. xii. 2005 (S. Hosoishi); 2 workers, 1 queen, Ulu Gombak, Selangor, 3. xii. 2005 (S. Hosoishi).
Taxon Treatment
- Hosoishi, S.; Ogata, K.; 2009: A taxonomic revision of the Asian endemic subgenus Physocrema of the genus Crematogaster (Hymenoptera: Formicidae)., Zootaxa 2062: 27-28. doi
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