Aeshna tuberculifera vs. Aeshna umbrosa
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| A. tuberculifera: palps very truncate, with very sharp hook. | A. umbrosa: palps truncate, hook not as sharp. |
| Note that A. tuberculifera's palps have a sharper meso-posterior corner with well-developed tooth. | |
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| A. tuberculifera: ovipositor reaches beyond venter 9. | A. umbrosa: ovipositor reaches edge of venter 9. |
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| A. tuberculifera | A. umbrosa |
| A. umbrosa has a more abrupt flare in the prementum with a greater ratio of width to length. | |
| Ventral view: A. umbrosa has striped femora and tibia, though this may be hard to tell in some (dry) specimens. |  |
| A. tuberculifera (Left) | A. umbrosa (right) |