Key to Vombisidris workers

This worker key is based on: [[Media:Xu, Z.-H. & Yu, N. 2012. Vombisidris tibeta, a new myrmicine ant species from Tibet, China.pdf|Xu, Z.-H. and Yu, N. 2012. Vombisidris tibeta, a new myrmicine ant species from Tibet, China with a key to the known species of Vombisidris Bolton of the world. Sociobiology. 59:1495-1507.]]

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 * Vombisidris genus page
 * Vombisidris Species Groups

1

 * Subocular groove entirely absent (Papua New Guinea) . . . . . Vombisidris bilongrudi


 * Subocular groove at least present from mandibular insertion to the eye . . . . . 2

2
return to couplet #1
 * Subocular groove incomplete, running from mandibular insertion to the anteroventral margin of the eye, never beyond the eye (Papua New Guinea) . . . . . Vombisidris acherdos


 * Subocular groove complete, running from mandibular insertion to the anteroventral margin of the eye, then passing through a shallow angle and continuing along the side to the lateroccipital margin . . . . . 3

3
return to couplet #2
 * In profile view, dorsum of mesonotum with a pair of short vertical sharp teeth at each side. Anterior 2/3 of the first gastral tergite longitudinally rugulose (Indonesia) . . . . . Vombisidris philax


 * In profile view, dorsum of mesonotum without a pair of vertical sharp teeth, atmost with a pair of blunt prominence. First gastral tergite smooth . . . . . 4

4
return to couplet #3
 * In profile view, petiolar node dome-like or roughly triangular, dorsum roundly convex, without distinctly differentiated dorsal face . . . . . 5


 * In profile view, petiolar node roughly trapezoidal, with distinctly differentiated dorsal face, anterodorsal and posterodorsal corners more or less distinct . . . . . 10

5
return to couplet #4
 * In profile view, metanotal groove shallow but obviously depressed . . . . . 6


 * In profile view, metanotal groove entirely absent . . . . . 7

6
return to couplet #5
 * In full face view, occipital margin weakly concave. Anterior clypeal margin strongly convex. In profile view, propodeal spines weakly curved down, longer than propodeal dorsum. Postpetiolar node evenly convex (China: Tibet) . . . . . Vombisidris tibeta


 * In full face view, occipital margin weakly convex. Anterior clypeal margin weakly convex. In profile view, propodeal spines straight, as long as propodeal dorsum. Postpetiolar node strongly convex (China: Hunan Province) . . . . . Vombisidris umbrabdomina

7
return to couplet #5
 * In profile view, petiolar node roughly triangular, dorsal corner distinct . . . . . 8


 * In profile view, petiolar node dome-like, dorsal corner indistinct . . . . . 9

8
return to couplet #7
 * In profile view, propodeal spines about as long as propodeal declivity. Postpetiolar node evenly convex. In dorsal view, lateral sides of petiolar node convex. Head and alitrunk blackish brown, gaster lighter brown (India) . . . . . Vombisidris occidua


 * In profile view, propodeal spines distinctly longer than propodeal declivity. Postpetiolar node strongly convex. In dorsal view, lateral sides of petiolar node almost straight. Head and alitrunk yellowish brown, gaster blackish brown (India) . . . . . Vombisidris humboldticola

9
return to couplet #7
 * In full face view, occipital corners roundly prominent. Eyes evenly convex. Anterior clypeal margin without a middle notch (Indonesia) . . . . . Vombisidris nahet


 * In full face view, occipital corners rounded. Eyes strongly extruding. Anterior clypeal margin with a middle notch (Malaysia) . . . . . Vombisidris regina

10
return to couplet #4
 * In profile view, metanotal groove strongly depressed and trench-like . . . . . 11


 * In profile view, metanotal groove vestigial to absent, without a trench-like notch . . . . . 13

11
return to couplet #10
 * In profile view, promesonotum nearly straight, anterodorsal corner angled. Propodeal spines about two times as long as propodeal dorsum (Brunei) . . . . . Vombisidris xylochos


 * In profile view, promesonotum weakly convex, anterodorsal corner rounded. Propodeal spines about as long as propodeal dorsum . . . . . 12

12
return to couplet #11
 * In full face view, lateral sides of head divergent behind eyes. In profile view, anterior peduncle shorter than the dorsal face of petiolar node. First gastral tergite finely superficially reticulate (Indonesia) . . . . . Vombisidris lochme


 * In full face view, lateral sides of head nearly parallel behind eyes. In profile view, anterior peduncle about as long as the dorsal face of petiolar node. First gastral tergite almost completely smooth (Malaysia) . . . . . Vombisidris dryas

13
return to couplet #10
 * In profile view, anterior peduncle of petiole relatively short, shorter than the dorsal face of petiolar node, the dorsal face nearly straight (Malaysia) . . . . . Vombisidris harpeza


 * In profile view, anterior peduncle of petiole relatively long, about as long as the dorsal face of petiolar node, the dorsal face weakly convex . . . . . 14

14
return to couplet #13
 * In profile view, anterodorsal corner of petiolar node bluntly angled, higher than posterodorsal corner, the latter rounded . . . . . 15


 * In profile view, both anterodorsal and posterodorsal corners of petiolar node bluntly prominent, at the same level. . . . . . 16

15
return to couplet #14
 * In full face view, occipital margin straight. In profile view, propodeal spines relatively short, shorter than or about as long as propodeal declivity. Ventral face of petiole nearly straight. Dorsal surface of alitrunk with short blunt hairs (Australia) . . . . . Vombisidris australis


 * In full face view, occipital margin evenly convex. In profile view, propodeal spines relatively long, longer than propodeal declivity. Ventral face of petiole concave. Dorsal surface of alitrunk with moderate long tapered hairs (Australia) . . . . . Vombisidris renateae

16
return to couplet #14
 * In full face view, occipital margin nearly straight. Anterior clypeal margin weakly convex. Dorsal surface of alitrunk with short blunt hairs. Color yellow to lighter brown (Indonesia) . . . . . Vombisidris jacobsoni


 * In full face view, occipital margin weakly convex. Anterior clypeal margin strongly convex. Dorsal surface of alitrunk with moderate long tapered hairs. Color blackish brown (Philippines) . . . . . Vombisidris philippina