Key to Manica of North America

This key is based on the key on the Manica key found on page 108 in: Creighton, W. S. 1950. The ants of North America. Bulletin of the Museum of Comparative Zoology at Harvard College. 104:1-585. [[Media:Creighton_1950.pdf |PDF]]

1

 * Postpetiole with a prominent, conical, ventral protuberance which projects forward beneath the posterior peduncle of the petiole . . . . . Manica hunteri
 * Petiole without a ventral protuberance or with a small, rounded, ventral projection which does not extend forward beneath the posterior peduncle of the petiole . . . . . 2

2
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 * Posterior face of the node of the petiole sculptured and opaque; the entire ant dull yellow or orange . . . . . Manica invidia


 * Posterior face of the node of the petiole in large part smooth and shining; at least the head and gaster piceous brown . . . . . 3

3
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 * Thoracic sculpture feeble and its surface moderately to strongly shining; color uniform piceaous brown . . . . . Manica parasitica


 * Thoracic rugae coarse and prominent, its surface scarcely shining; head and gaster iceous brown, the thorax clear yellow to reddish yellow . . . . . Manica bradleyi