In August I had already seen Tramea transmarina euryale in Cat Tien. And I had already encountered males in Van Long (Ninh Binh) and in Ba Vi National Park. So, it is widespread in Vietnam. Nevertheless I was happy to see a whole bundle of them ovipositing (females) and patrolling (males) at the swimming pool at Cat Tien National Park Headquarters in November. They were joined by the larger T. virginia. I had photos of the male before, but not yet of the female.
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| Female Tramea transmarina euryale. You can see the eggs under the lamina. Upon release she just continued laying. Note the small, somewhat diffuse, basal spot. |
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| The male, much smaller spot than T. virginia, reddish veins. |
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