A taxonomic revision of the Asian endemic subgenus Physocrema of the genus Crematogaster (Hymenoptera: Formicidae)
Hosoishi, Shingo
Ogata, Kazuo
Zootaxa
2009
2062
15
36
ZBKN
[806,917,808,835]
Insecta
Formicidae
Crematogaster
Animalia
Hymenoptera
4
19
Arthropoda
species
bakeri
1 Propodeal spines developed and with pointed apices................................................................................................... 2 - Propodeal spines undeveloped and forming obtuse lobes ............................................................................................ 4 2 Antennal club 3-jointed. Pronotum raised steeply toward mesonotum in lateral view ................................ mucronata - Antennal club 4-jointed. Pronotum raised moderately toward mesonotum in lateral view ......................................... 3 3 In lateral view, pronotum and mesonotum forming a single convexity, propodeum distinctly raised relative to prome- sonotum, metanotal groove deep ......................................................................................................................... vacca - In lateral view, pronotum and mesonotum forming a single convexity, propodeum slightly raised relative to prome- sonotum, metanotal groove less deep .................................................................................................. yamanei sp. nov. 4 Dorsal median portion of head swollen ................................................................................................ tanakai sp. nov. - Dorsal median portion of head not swollen .................................................................................................................. 5 5 Propodeal spiracle situated near the metapleural gland orifice, the distance between them about the same as the propodeal spiracle diameter ( Fig. 4) ............................................................................................................................. 6 - Propodeal spiracle situated away from the metapleural gland orifice, the distance between them much greater than the propodeal spiracle diameter ( Fig. 3) ....................................................................................................................... 9 6 Clypeus smooth and shining without longitudinal rugulae ( Fig. 1) ..................................................................... inflata - Clypeus striated with rugulae ( Fig. 2) .......................................................................................................................... 7 7 Dorsal face of head strongly striated with abundant longitudinal rugulae. Scape not reaching posterior corner of head in large workers. Workers with pronounced size polymorphism .......................................................................... aurita - Dorsal face of head not strongly striated with longitudinal rugulae. Scape reaching posterior corner of head. Workers monomorphic in size..................................................................................................................................................... 8 8 The posterior portion of pronotum with transverse rugulae in dorsal view ( Fig. 6) .................................. physothorax - The posterior portion of pronotum without distinct rugulae in dorsal view ( Fig. 7) .......................................... onusta 9 Dorsal setae on posterior portion of fourth abdominal tergite directed medially ( Fig. 8) ................................ difformis - Dorsal setae on fourth abdominal tergite directed posteriorly ( Fig. 9)....................................................................... 10 10 In lateral view, dorsal profile of promesonotum convex, propodeum distinctly raised relative to promesonotum, metanotal groove very deep ................................................................................................................................ sewardi - In lateral view, dorsal profile of promesonotum convex, propodeum slightly raised relative to promesonotum, metanotal groove not so deep in dorsal median portion ................................................................................ ampullaris