Species: Rhyothemis variegata (Linnaeus, 1763)
Synonyms: Libellula arria Drury, 1773, Libellula marcia Drury, 1773, Libellula histrio Fabricius, 1787 (nec Burmeister, 1839), Rhyothemis imperatrix Selys, 1887, Rhyothemis nebulosa Oguma, 1922
Classification
Phylum: Arthropoda
Class: Insecta
  Order: Odonata
   Family: Libellulidae
    Genus: Rhyothemis

Morphology:
Larva:

-Body small–medium size
- Antenna 8 segments
- Head smooth, posterior of head slightly convex inward
- Compound eyes small and round
- Labium spoon-shaped, distal part of each palpal lobe with crenuate teeth
- Labial palps with 5 palpal setae
- Premental setae 1 in each side of midline of mentum
- Dorsal prothorax and lateral thorax with brown marks
- Wing-sheaths parallel


Figure

Rhyothemis variegata, dorsal view of adult (Source: Vannachak, 2009)



Rhyothemis variegata, dorsal view of larva (Source: Vannachak, 2009)

Distribution:
 - northeastern Thailand
 - central Thailand
 - Chiang Mai Province
 - Lampang Province
 - Tak Province
 - Kanchanaburi Province
 - Rayong Province
 - Chanthaburi Province
 - Khon Kaen Province

Work cited:
 - Hämäläinen, M. and Pinratana, A. 1999. Atlas of the Dragonflies of Thailand: Distribution Maps by Provinces. Brothers of St. Gabriel in Thailand, Bangkok.
 - Vannachak, V. 2009. Association of Odonnata nymphs and adults in Muang district, Khon Kaen Province. Special study. Khon Kaen University.



ติดต่อและสอบถาม: narumon@kku.ac.th สาขาวิชาขีววิทยา คณะวิทยาศาสตร์ มหาวิทยาลัยขอนแก่น