Key to Lophomyrmex of India

This worker key is based on: Sheela, S. and S.N. Ghosh. (2008). A new species of Lophomyrmex Emery (Hymenoptera: Formicidae) from India with a key to Indian species. Biosystematica. 2:17–20.

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• Lophomyrmex
• India

1

• Anterolateral angles of pronotum with well defined teeth . . . . . 2

• Anterolateral angles of pronotum without teeth, only sharply margined . . . . . 4

2

return to couplet #1

• Pronotal teeth small, mesonotum, propodeum and petiole with distinct sculpture . . . . . Lophomyrmex quadrispinosus

• Pronotal teeth large, sculpture not as distinct as the alternate . . . . . 3

3

return to couplet #2

• SI and TI=100; propodeal spines slightly curved upward, in profile . . . . . Lophomyrmex kali

• SI and TI < 100; propodeal spines straight or feebly curved downwards, in profile . . . . . Lophomyrmex birmanus

4

return to couplet #1

• Distance between eyes and base of mandibles equal to or greater than 1.5x eye length . . . . . Lophomyrmex bedoti

• Distance between eyes and base of mandibles less than 1.5x eye length . . . . . 5

5

return to couplet #4

• Propodeal spines very long; distance between eyes and base of mandibles 1.2x eye length . . . . . Lophomyrmex changlangensis

• Propodeal spines not very long; distance between eyes and base of mandibles 1.3x eye length . . . . . Lophomyrmex ambiguus