New Dragonfly Species Discovered in Kerala

Summary of Discoveries and Findings on Lyriothemis keralensis in Kerala

1. New Species Identification:

   • Species Name: Lyriothemis keralensis.
   • Location: Discovered in Varapetty, Kothamangalam, Ernakulam district, Kerala.
   • Habitat: Found in shaded pools and irrigation canals within pineapple and rubber plantations.

2. Research and Publication:

   • Conducted by a team including researchers from:
     • Indian Foundation for Butterflies, Bengaluru.
     • Department of Wildlife Science, College of Forestry, Kerala Agricultural University.
     • Society for Odonate Studies, Kerala.
     • National Centre for Biological Science, Bengaluru.
   • Published in: International Journal of Odonatology.

3. Biodiversity and Conservation:

   • Recognizes Kerala's rich biodiversity and highlights conservation concerns.
   • Population Threats: Most populations of this dragonfly species occur outside protected areas.
   • Call for Action: Emphasizes the need for careful land-use practices to promote habitat protection, especially in plantation regions.

4. Species Characteristics:

   • Seasonal Visibility: Active during Southwest monsoon (May to August); larvae survive in aquatic habitats during off-season.
   • Physical Traits:
     • Males: Bright blood-red with black markings.
     • Females: Bulkier, yellow with black markings.
     • Exhibits sexual dimorphism.

5. Misidentification History:

   • Previously misidentified as Lyriothemis acigastra for over a decade, a species thought to be endemic to northeast India.
   • Distinct identity confirmed through microscopic examinations and comparison with museum specimens.

6. Scientific Importance:

   • The study underscores the need for detailed biological research and accurate species identification for effective conservation strategies.

7. Environmental Significance:

   • Highlights the importance of wetlands and aquatic ecosystems in maintaining dragonfly populations and biodiversity in Kerala.

This discovery marks a significant addition to the knowledge of dragonflies in India and emphasizes the critical need for biodiversity conservation efforts in plantation landscapes.