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Cordulia (Common Emeralds)

The genus Cordulia is similar to Somatochlora, a much larger genus. There are only two species of Common Emeralds - ours and C. aenea (Downy Emerald) in Eurasia - but as the English genus name suggests, they are widespread and common.

Figure 11. Cordulia shurtleffi: a, male appendages, view from above; b, female vulvar lamina, view from below. A8, A10 = abdominal segments 8, 10; UA, LA = upper, lower appendages. VL = vulvar lamina.

Cordulia shurtleffii (American Emerald)

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