Number: 114 / Family: Synthemistidae / Genus: Idionyx
Species: Idionyx thailandica / Thai Forest Shadow*
Habitat: Tree-lined Forested Streams
Province(s) sighted: Chiang Main, Nakhon Nayok, Phitsanulok
Sightings (by me): Rare
In flight (that I have seen): March - July
Habitat: Tree-lined Forested Streams
Province(s) sighted: Chiang Main, Nakhon Nayok, Phitsanulok
Sightings (by me): Rare
In flight (that I have seen): March - July
On the way back to Khon Kaen from Kanchanaburi, I made a quick visit to Nakhon Nayok. The first two waterfalls I arrived at were completely dry (then again I shouldn't choose March to hunt for dragonflies!). Finally, I arrived at Nang Rong Waterfall, which had a decent amount of water running through it. Within two minutes, I spotted a small teneral male, which I thought was Tetrathemis platyptera, which I have seen numerous times before. It was only when got closer that I noticed it was something different. It was a slow mover and I was even able to catch it with my fingers, in order to take photos, before I released him safely. I looked on the Internet and thought it was Idionyx thailandica, a new species for me. This was confirmed by Noppadon Makbun. I have since seen this species in Chiang Mai and Phitsanulok, though still don't have good photos!
The male
The male has distinct black and yellow legs and swirling yellow on black thoracic markings. The caudal appendages are also large in size.
A second male hanging from the underside of a road bridge during rain. This was high up and I even used a 400mm lens just to get these.
The Female
Recently, I managed to get decent a single shot of the female in Chiang Mai... literally one shot... gone.
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