Thursday, October 25, 2018

Common Picture Wing (Rhyothemis variegata) ഓണത്തുമ്പി, ശലഭത്തുമ്പി. Linnaeus, 1763

Common name: Common Picture Wing
Malayalam name: ഓണത്തുമ്പി, ശലഭത്തുമ്പി
Scientific name: Rhyothemis variegata  Linnaeus, 1763
Family: Libellulidae
Place of observation: Thommana, Thumboor - Kerala 
Date of observation: Various


Male                                  
Abdomen  : 23-25mm   
Hind wing : 33-36mm

Female  
Abdomen  : 20-22mm 
Hind wing : 28-37mm 

Female

Male
Male
Group in flight

Group in flight

Mating

Male


Male dorsal view

Female Dorsal View

Face of male

Face of female
Female

Long legged marsh glider (Trithemis pallidinervis) കാറ്റാടി തുമ്പി. Kirby, 1889

Family : Libellulidae
Scientific name : Trithemis pallidinervis  Kirby, 1889
Common name : Long legged marsh glider
Malayalam name : കാറ്റാടി തുമ്പി.
Place of observation : Thommana, Kerala 
Date of observation  : Various 

Male                                  
Abdomen  : 28-32mm   
Hind wing : 30-36mm

Female  
Abdomen  : 26-28mm 
Hind wing : 30-32mm

Female

Male

Mating

Male

Female in flight

Female

Female

Mating

Colour differences on face


Wednesday, October 24, 2018

Pygmy Skimmer (Tetrathemis platyptera) കുള്ളന്‍ തുമ്പി, കിണർ തുമ്പി Selys, 1878

Common name: Pygmy Skimmer / Pygmy Elf
Scientific name: Tetrathemis platyptera  Selys, 1878
Malayalam name: കുള്ളന്‍ തുമ്പി, കിണർ തുമ്പി 
Family: Libellulidae
Place of observation: Thumboor, Kerala 
Date of observation: Various


Male                                  
Abdomen: 15-18mm   
Hind wing: 18-21mm

Female  
Abdomen: 14-16mm 
Hind wing: 19-24mm


Female

Male
Mating
Eggs

Male

Newly emerged female

Female dorsal view

Male



Pygmy Dartlet (Agriocnemis pygmaea Rambur, 1842) നാട്ടുപുല്‍ച്ചിന്നന്‍

Common name: Pygmy Dartlet, Pygmy wisp
Malayalam name: നാട്ടുപുല്‍ച്ചിന്നന്‍
Scientific name: Agriocnemis pygmaea  Rambur, 1842
Family: Coenagrionidae
Place of observation: Thumboor, Kerala 
Date of observation: Various

Male                                  
Abdomen: 16-17mm   
Hind wing: 09-10mm

Female  
Abdomen: 18mm 
Hind wing: 11-12mm

Female
Male 
Male 
Subadult Female
Male & Female
Mating
Male
Emergence
Mating
Emergence
Male
Male
Male

Common Clubtail (Ictinogomphus rapax Rambur, 1842) നാട്ടുകടുവ

Common name: Common Clubtail
Scientific name: Ictinogomphus rapax Rambur, 1842
Family: Gomphidae
Malayalam name: നാട്ടുകടുവ
Place of observation: Thumboormuzhy, Thumboor, Thommana - Kerala 
Date of observation: Various


Female

Male

Male in flight

Male 

Female preying on a Urothemis signata male 

Female

Female

Female

Exuviae