Key to Temnothorax longispinosus species group workers

This worker key is based on: Mackay, W. P. 2000. A review of the New World ants of the subgenus Myrafant, (genus Leptothorax) (Hymenoptera: Formicidae). Sociobiology. 36:265-444.

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• Temnothorax
• New World Temnothorax species groups
• Temnothorax longispinosus species group synopsis
• Key to New World Temnothorax species groups

1

• Head mostly smooth and shining . . . . . 2

• Head covered with coarse rugae or striae . . . . . 3

2

return to couplet #1

• Mesosoma coarsely sculptured, with mixture of rugae and punctures . . . . . Temnothorax longispinosus

• Mesosoma finely sculptured, nearly smooth . . . . . Temnothorax tuscaloosae

3

return to couplet #1

• Larger species, total length over 3mm; bicolored (head and gaster dark, mesosoma lighter); New Mexico . . . . . Temnothorax josephi

• Smaller species, total length less than 3mm; rarely bicolored; widely distributed . . . . . Temnothorax rugatulus