Macrogomphus quadratus Selys, 1878
The eyes of this large gomphid are dark green. The front part of the thorax has large, squarish, light yellow to green patches. The abdomen has broad, darker yellow to orange rings around the middle of segments two to seven. The male and female are alike, except that in the male, the hindwing base is sharply angled whereas that of the female is rounded. In males, the hindwing is 44 to 47 mm in length and the total body length ranges from 72 to 80 mm.
Confined in Sundaland.
Found in Central Catchment and Bukit Timah Nature Reserves.
This species frequents sluggish forest streams in the Central Catchment and Bukit Timah Nature Reserves and remains active late in the day.
Tang, H. B., L. K. Wang & M. Hämäläinen, 2010. A Photographic Guide to the Dragonflies of Singapore. Raffles Museum of Biodiversity Research, National University of Singapore, Singapore. 222 pp
Tang Hung Bun
27 Jul 2008