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Lasius subgenus Acanthomyops (Acitronella ants)
Lasius subgenus Acanthomyops (Acitronella ants)
| 1a. | Hairs on gaster with plumose (feathery) tips (view obliquely at 50-100×) | A. plumopilus |
| 1b. | Hairs on gaster not plumose | 2 |
| 2a. | Petiolar scale sharp | 3 |
| 2b. | Petiolar scale blunt | 5 |
| 3a. | Hairs on body fine, thin, wispy; gular hairs short | A. sublabers |
| 3b. | Hairs on body and/or gula not as above | 4 |
| 4a. | Hairs all over gaster, gular hairs long | A. claviger |
| 4b. | Hairs all over on 1st tergite; only on edges of 2nd and 3rd tergites; gular hairs few | A. interjectus |
| 5a. | Very hairy all over; many gular hairs | A. latipes |
| 5b. | Hairs on propodeum denser than elsewhere; gular hairs few, short | A. murphyi |
Reference: Wing, M. W. 1968. Taxonomic revision of the nearctic genus Acanthomyops (Hymenoptera: Formicidae). Memoirs of the Cornell University Agricultural Experiment Station 405: 1-173.
Additional information from conversation with Stefan Cover (MCZ), 11/15/2006
