Key to Chinese species of Anochetus

This worker key is based on: [[Media:Chen, Z., Yang, Z., Zhou, S. 2019. Review of the ant genus Anochetus from China.pdf|Chen, Z., Yang, Z., Zhou, S. 2019. Review of the ant genus Anochetus Mayr, 1861 (Hymenoptera, Formicidae) from China, with revival of the valid status of Anochetus gracilis. Journal of Hymenoptera Research 68: 49–74 (DOI 10.3897/jhr.68.30784).]]

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Anochetus

1

 * Apical portion of mandible with three strong teeth; inner mandibular margin without denticles except preapical tooth . . . . . 2


 * Apical portion of mandible only with two distinct teeth; inner mandibular margin with some distinct denticles . . . . . 6

2
return to couplet #1


 * Scape surpassing to posterior corner of head by about its 1/7 length; large species (TL ≥ 8.35); mesosoma comparatively thinner . . . . . Anochetus longus


 * Scape not or just reaching to posterior corner of head; small species (TL ≤ 6.0); mesosoma comparatively stouter . . . . . 3

3
return to couplet #2


 * The maximum diameter of eye narrower than the width of scape at it midlength; the junction between propodeal dorsum and declivity forming a pair of denticles laterally; pronotum smooth and shining . . . . . Anochetus subcoecus


 * The maximum diameter of eye broader than the width of scape at it midlength; the junction between propodeal dorsum and declivity rounded, not forming a pair of dents laterally; pronotum strongly rugose . . . . . 4

4
return to couplet #3


 * Pronotal disc longitudinally striate; posterior half of pronotum to mesonotum straight; dorsal margin of petiolar node concave in anterior view . . . . . Anochetus lanyuensis


 * Pronotal disc irregularly striate; posterior one third of pronotum to mesonotum weakly convex or weakly concave at metanotal groove; dorsal margin of petiolar node weakly convex in anterior view . . . . . 5

5
return to couplet #4


 * Head slightly longer than broad (CI 95); mesonotum transversely striate; petiole thick, twice as high as long . . . . . Anochetus madaraszi


 * Head distinctly longer than broad (CI 89); mesonotum transversely retirugose; petiole thin, 3.7 times as high as long . . . . . Anochetus graeffei

6
return to couplet #1


 * Whole pronotum coarsely rugose . . . . . Anochetus mixtus


 * Middle portion of pronotum smooth and shining . . . . . 7

7
return to couplet #7


 * In full-face view, inner mandibular margin with about 11 denticles, preapical five denticles equal-sized; scapes with sparse suberect hairs; mesonotum with a strong transverse ridge anteriorly, situated higher than pronotum; metapleuron striate . . . . . Anochetus medogensis


 * In full-face view, inner mandibular margin with 5–8 denticles, preapical denticle distinctly larger than the others; scapes with abundant decumbent hairs; mesonotum without anterior transverse ridge, metapleuron smooth and shining . . . . . Anochetus risii