Probolomyrmex
Creators: name: Eguchi, K.
name: Yoshimura, M.
name: Yamane, S.
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Probolomyrmex

description: Key to Oriental Probolomyrmex species based on the worker
1. Petiole posterodorsally with a pair of strong angles/teeth (in dorsal or lateral view)............ 2
- Petiole posterodorsally without a pair of strong angles/teeth; posterodorsal margin at most weakly emarginated medially............................................................................... 3
2. Petiole (including subpetiolar process) as long as high; subpetiolar process developed, subrectangular........................................................................................... bidens Brown
- Petiole (including subpetiolar process) distinctly longer than high; subpetiolar process low, with a small anteroventral projection............................................... procne Brown
3. Posterodorsal margin of petiole in dorsal view well produced medially into a horn (Fig. 8D)............................................................................................. watanabei Tanaka
- Posterodorsal margin of petiole in dorsal view not produced (Figs. 1D, 6D, 7D), or produced but truncate or shallowly emarginate medially (Figs. 2D, 3D, 4D, 5D) ....... 4
4. Posteroventral portion of subpetiolar process spinose, protruding or sharply angled (Figs. 5C, 7C)................................................................................................................ 5
- Posteroventral portion of subpetiolar process rounded or obtusely angled (Figs. 1C, 2C, 3C, 4C, 6C)............................................................................................................. 6
5. Petiole in profile with its posterior outline straight and vertical (above the articulation with gaster); anteroventral projection of subpetiolar process relatively thin and translucent(Fig. 7C) ............................................................................................. vieti sp. nov.
- Petiole in profile with its posterior outline concave (above the articulation with gaster); anteroventral projection of subpetiolar process relatively thick and not translucent(Fig. 5C).................................................................................... maryatiae sp. nov.
6. Anteroventral portion of subpetiolar process in profile broadly expanded anteroventrad(Fig. 6C)................................................................ okinawensis Terayama et Ogata
- Anteroventral portion of subpetiolar process in profile narrowly expanded anteriad or anteroventrad (Figs. 1C, 2C, 3C, 4C)............................................................................ 7
7. Petiolar node in profile with an extremely long and flattened dorsal outline (Fig. 2C); SI>160.......................................................................................................... itoi sp. nov.
- Petiolar node in profile with a dorsal outline which is moderately long (or short) and flattened or curved (Figs. 1C, 3C, 4C); SI<150............................................................8
8. Posterior face of propodeum margined laterally with a carina which is angulate dor- sally but only rarely forms a conspicuous propodeal spine (1C); LPtI<135................... ..................................................................................................... dammermani Wheeler
- Posterior face of propodeum margined laterally with a carina which forms a triangular propodeal spine (Figs. 3C, 4C); LPtI>135....................................................................9
9. Frontal carina in profile lower, with a semicircular outline (Fig. 9C); 4th antennal segment a little shorter than broad (Fig. 10C)..................... longinodus Terayama et Ogata
- Frontal carina in profile higher, with a gently triangular outline (Fig. 9D); 4th antennal segment a little longer than broad (Fig. 10D)........................... longiscapus Xu et Zeng
description: Published as part of Eguchi, K., Yoshimura, M. & Yamane, S., 2006, The Oriental species of the ant genus Probolomyrmex (Insecta: Hymenoptera: Formicidae: Proceratiinae)., pp. 1-35 in Zootaxa 1376 on pages 4-5