Key to Myopias of China

This worker key is based on:[[Media:Xu - liu 2012.pdf|Xu, Z.-H. and Liu, X. 2012. Three new species of the ant genus Myopias (Hymenoptera: Formicidae) from China with a key to the known Chinese species. Sociobiology. 58:819-834. PDF]]

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Myopias

1

 * In profile view, anteroventral corner of head without cone-like or bluntly angled process. Subpetiolar process simple, triangular or cuneiform, without posteriorly pointed tooth . . . . . 2


 * In profile view, anteroventral corner of head with a cone-like or bluntly angled process. Subpetiolar process complex, anteroventral corner with a ventrally pointed tooth, posteroventral corner with a posteriorly pointed tooth . . . . . 4

2
return to couplet #1
 * In profile view, eyes relatively developed, with 6 facets in the maximum diameter. Petiolar node nearly rectangular, posterodorsal corner as high as anterodorsal corner (Figs. 1-4) (China: Tibet) . . . . . Myopias luoba


 * In profile view, eyes reduced, with 2 facets or absent. Petiolar node nearly trapezoid, posterodorsal corner distinctly lower than anterodorsal corner . . . . . 3

3
return to couplet #2
 * Eyes absent. Apices of antennal scapes just reach to occipital corners. In profile view, posterodorsal corner of petiolar node roundly prominent. In dorsal view, petiolar node more broad than long (Figs. 5-7) (China: Taiwan Province) . . . . . Myopias nops


 * Eyes present, each with only 2 facets. Apices of antennal scapes only reach to 4/5 of the distance from antennal sockets to occipital corners. In profile view, posterodorsal corner of petiolar node rounded. In dorsal view, petiolar node about as broad as long (Figs. 8-11) (China: Tibet) . . . . . Myopias menba

4
return to couplet #1
 * In full face view, apices of antennal scapes not reaching to occipital corners. In profile view, petiolar node higher than long, ventral face of subpetiolar process evenly convex behind anteroventral tooth. In dorsal view, petiolar node broader than long (Figs. 12-15) (China: Yunnan Province) . . . . . Myopias hania


 * In full face view, apices of antennal scapes reach to or slightly surpass occipital corners. In profile view, petiolar node about as high as long, ventral face of subpetiolar process nearly straight behind anteroventral tooth. In dorsal view, petiolar node about as broad as long (Figs. 16-23) (China: Yunnan Province) . . . . . Myopias conicara