Monday, May 14, 2018

205: Macrogomphus parallelogramma (Burmeister, 1839)

Number: 205 / Family: Gomphidae / Genus: Macrogomphus
Species: Macrogomphus parallelogramma / Parallel-lined Giant Tiger
Habitat: Lowland Forested Stream (Shallow and Sandy-bottomed)
Province(s) sighted: Narathiwat
In flight: April / Sightings (by me): Rare
Species easily confused with: Macrogomphus matsukii

*As there is no common name, I decided upon 'Parallel-lined' based on the Latin 'parallelogramma' and Macrogpmphus in Thai are known as  'Giant Tiger Dragonflies' so I kept that for consistency.

My last 'new species' for my records from Narathiwat is a beauty. At a shallow and sandy-bottomed stream just down from Hala-Bala Wildlife Sanctuary, I instantly noticed a fairly large Gomphid. As I closed in, I knew it was a Macrgomphus species but it flew away before I got decent shots of it. I continued wading through the stream and noticed at least 3-4 other males. Both of these were far easier to approach and I managed to snap away, though one was clinging on to grass which made photography difficult. I also managed to get fairly decent shots of the appendages and, therefore, was able to get a solid ID when I returned back to base. It turns out to be Macrogomphus parallelogramma a species that is known from the south of Thailand. Now nicely named the Parallel-lined Giant Tiger Dragonfly, I was really happy to see it and it is the second I have managed to find in the genus. Sadly, the female escaped my lens... until next time!

The Male
Similar to other species in the genus, the appendages are a little different and the markings along the abdomen are very faded.



The Appendages
The easiest way to separate most Gomphids! Always get close-ups if you can.


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