Sunday, February 27, 2011

24. Pseudagrion williamsoni (Fraser, 1922)

Number: 24
Family: Coenagrionidae
Genus: Pseudagrion
Species: Pseudagrion williamsoni
Common name(s): N/A
Thai name(s): แมลงปอเข็มบ่อวิเลี่ยมสัน, แมลงปอเข็มแปลงฟ้าหน้าแดง
Habitat: Exposed uplands ponds and lakes (southerly) 
Province(s) sighted: Khao Kitchakut/environs (Chantaburi)
Sightings (by me): Fairly common at the above location
In flight (that I have seen): November (though obviously much longer)
Species easily confused with: Pseudagrion australasiaePseudagrion microcephalum

Another Pseudagrion species and the third I have now posted, is one I saw late last year at Khao Kitchakut National Park, near Chantaburi. It is, of course, Pseudagrion williamsoni

The male
At the large lake near the headquarters of Khao Kitchakut NP, I spent a long time looking for this species. There were many Pseudagrion microcephalum, making locating them tough. Then I saw the green face. It's unmistakeable. They are very shy and fly away at the slightest movement. Eventually, I managed to spot one that was happy in my company and I got a few photos. 

Green with envy...
I managed to capture this one and again I haven't got round to cutting those fingernails!

The female
I am 99% sure that this is the female. The black stripe on the side of the thorax is much broader than that of P. microcephalum. If I am wrong, please let me know.

I have only seen this species once and was guided there by... you guessed it, Noppdon Makbun! Thank you very much once again. I think the species is there all year round. 

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