Key to Lenomyrmex queens

This queen key is based on: Rabeling, C., Sosa-Calvo, J., O'Connell, L.A., Coloma, L.A. & Fernández, F. 2016. Lenomyrmex hoelldobleri: a new ant species discovered in the stomach of the dendrobatid poison frog, Oophaga sylvatica (Funkhouser). ZooKeys. 618:79–95. (doi: 10.3897/zookeys.618.9692).

There are a number of species that are only known from the worker caste.

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• Lenomyrmex
• Key to Lenomyrmex workers

1

• Head foveolate; median longitudinal striae may be present. Body lacking erect hairs . . . . . 2

• Head densely rugo-reticulate. Body with erect hairs . . . . . 3

2

return to couplet #1 mesoscutum foveolate-striate . . . . . Lenomyrmex inusitatus

• Propodeal spines absent. Mesosoma predominantly smooth and shiny, lacking punctures in mesopleuron, metapleuron, and propodeum. Pronotum with a few foveae on lateral portions. Scutellum and axillae smooth. Mesoscutum smooth and shining . . . . . Lenomyrmex foveolatus

3

return to couplet #1

• Propodeal spines approximately equal in length to distance between their bases; integument predominantly shiny; HL > 0.80 . . . . . Lenomyrmex mandibularis

• Propodeal spines notably shorter than distance between their bases; integument predominantly opaque; HL <0.80 . . . . . Lenomyrmex wardi