Crematogaster difformis-subgroup, F. Smith, 1857

Hosoishi, Shingo, Maruyama, Munetoshi, Yamane, Seiki, Jaitrong, Weeyawat, Hashim, Rosli, Syaukani, Syaukani, Sokh, Heng, Itioka, Takao, Meleng, Paulus & Pham, Thai Hong, 2023, Multilocus phylogeny and historical biogeography of the Crematogaster inflata-group (Hymenoptera: Formicidae) in South-East Asia, Zoological Journal of the Linnean Society 198 (3), pp. 901-922 : 912

Crematogaster difformis-subgroup

C. ampullaris F. Smith, 1861

C. difformis F. Smith, 1857

= C. edentata Mayr, 1867

C. mucronata Emery, 1900

= C. fulmeki Forel, 1922

C. seaeardi Forel, 1901

C. tanakai Hosoishi & Ogata, 2009

Head and mesosoma sculptured ( Figs 6A, B , 7A, B ). Propodeum moderately swollen,as high as promesonotum in profile view ( Fig. 7A, B ). Metapleural gland opening circular-shaped ( Fig. 7A, B ). Propodeal spines mostly undeveloped ( Fig. 7A ), but developed in C. mucronata .

Figures

Figure 6. Characters of the Crematogaser inflata-group. A, four-segmented antennal club (ii) (C. seaeardi). B, threesegmented antennal club (ii) (C. mucronata). C, swollen propodeum (iii) and circular-shaped metapleural gland opening (iv) (C.inflata). D, posterolateral denticles on the mesonotum (iii) and slit-shaped metapleural gland opening (iv) (C. modiglianii). E, oval petiole (v) and globular postpetiole (vi) in dorsal view (C. modiglianii). F, elliptical petiole (v) and globular postpetiole (vi) in dorsal view (C. seaeardi). G, subquadrate petiole (v) and globular postpetiole (vi) in dorsal view (C. mucronata).

Figure 7. Characters of the Crematogaster inflata-group. A, mesosoma in profile view (C. difformis). B, mesosoma in profile view (C. mucronata). C, mesosoma in profile view (C. Ʋacca). D, arrow indicates comma-shaped metapleural gland opening in dorsolateral view (C. subcircularis).