There are two known subspecies; Crocothemis servilia servilia (Drury, 1773)[6] and Crocothemis servilia mariannae Kiauta, 1983.[7]C. s. mariannae lacks the mid-dorsal black stripe.[8]
Description and habitat
It is a medium sized blood-red dragonfly with a thin black line along the mid-dorsal abdomen. Its eyes are blood-red above, purple laterally. Thorax is bright ferruginous, often blood-red on dorsum. Abdomen is blood-red, with a narrow black mid-dorsal carina. Anal appendages are blood-red. Female is similar to the male; but with olivaceous-brown thorax and abdomen. The black mid-dorsal carina is rather broad.[9]
It breeds in ponds, ditches, marshes, open swamps and rice fields.[9][10][11][3][2]
^K.A., Subramanian; K.G., Emiliyamma; R., Babu; C., Radhakrishnan; S.S., Talmale (2018). Atlas of Odonata (Insecta) of the Western Ghats, India. Zoological Survey of India. pp. 316–317. ISBN9788181714954.