|Rhinocypha biforata, male|
|Libellago lineata, male|
|Aristocypha fenestrella, immature male|
|Aristocypha fenestrella, male|
|Heliocypha perforata, male|
Identifying the females is challenging. Content for a later blog entry. And obviously I cannot wait to see the other members of the Vietnamese Jewels. Seeing these brilliant insects battle it out over the rapids to impress the females, wings flashing, legs outstretched (in for instance A. fenestrella the white front femurs are a striking feature in display) is a treat!