Key to Myrmecina of China

This worker key is based on: Zhou, S., Huang, J. and L. Ma. 2008. Two new species of the ant genus Myrmecina (Hymenoptera: Formicidae), with a key to Chinese species. Sociobiology. 52:283-291.

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 * Myrmecina
 * China

1

 * Antennae with 11 segments. China (Hunan) . . . . . Myrmecina pauca


 * Antennae with 12 segments . . . . . 2

2
return to couplet #1 base . . . . . 3
 * Propodeal spines triangular, as long as or even shorter than wide at the


 * Propodeal spines relatively long, longer than their wide at the base . . . . . 6

3
return to couplet #2
 * Large species, TL > 3.5 mm. China (Taiwan) . . . . . Myrmecina strigis


 * Small species, TL < 2.8 mm . . . . . 4

4
return to couplet #3
 * Anterior clypeal border with a median tooth. China (Guangxi, Hunan) . . . . . Myrmecina guangxiensis


 * Anterior ely peal border without a median tooth . . . . . 5

5
return to couplet #4
 * Eyes small, consisting ofless than ten ommatidia; body yellowish orange or yellow. China (Taiwan) . . . . . Myrmecina taiwana


 * Eyes moderately large, consisting of more than ten ommatidia; body dark brown and legs yellowish orange. China (Taiwan, Guangxi) . . . . . Myrmecina sauteri

6
return to couplet #2
 * Propodeal spines distinctly curved outwards at the apex in dorsal view. China (Guangxi) . . . . . Myrmecina curvispina


 * Propodeal spines straight. not curved outwards at the apex in dorsal view . . . . . 7

7
return to couplet #6
 * Anterior clypeal border merely rounded and sinuately emarginate in the middle and without teeth. China (Zhejiang, Guangxi) . . . . . Myrmecina sinensis


 * Anterior clypeal border with teeth . . . . . 8

8
return to couplet #7
 * Propodeal spines with small hooks at their apex; striations on the head more feeble, on the dorsum of the alitrunk strong; postpetiole subsquare. China (Guangxi, Shaanxi) . . . . . Myrmecina hamula


 * Propodeal spines without hooks at their apex; striations on the head as strong as those on the dorsum of the alitrunk; postpetiole transverse . . . . . 9

9
return to couplet #8
 * Striations on dorsum of the head and alitrunk coarse and regular, grooves between striations deep. China (Chongqing, Yunnan); Burma . . . . . Myrmecina striata


 * Striations on the dorsum of the head and alitrunk fine and irregular, grooves between striations shallow. China (Chongqing); Germany, Great Britain, Russia, France, Italy, Tunisia, Sweden . . . . . Myrmecina graminicola