Wednesday, September 12, 2018

Malabar Long-legged Clubtail (Merogomphus tamaracherriensis Fraser, 1931) മലബാർ പുള്ളിവാലൻ ചോലക്കടുവ

Scientific name: Merogomphus tamaracherriensis Fraser, 1931
Common name: Malabar Long-legged Clubtail
Malayalam name: മലബാർ പുള്ളിവാലൻ ചോലക്കടുവ
Family: Gomphidae
Place of observation: Pattatthipara and Athirappilly, Kerala 
Date of observation  : 31 - 07 - 2016, 18 - 10 - 2018 
Male: Abdomen 44 mm  Hind-wing 35 mm
Female: Abdomen 44-46 mm. Hind-wing 37 mm.

It is endemic to the Western Ghats of India


Female

Male
Male

Anal appendages of Male

Dorsal thorax & eyes of Male

Amber winged Marsh Glider (Hydrobasileus croceus) പാണ്ടൻ പരുന്തൻ Brauer, 1867

Common name: Amber winged Marsh Glider
Malayalam name: പാണ്ടൻ പരുന്തൻ
Scientific name: Hydrobasileus croceus Brauer, 1867
Family: Libellulidae
Place of observation: Thommana, Thumboor - Kerala
Date of observation: Various

Male

Female

Male

Ovipositing

Female

Mating
Juvenile male

Tuesday, September 11, 2018

Black Torrent Dart (Dysphaea ethela - Fraser, 1924) കരിമ്പന്‍ അരുവിയന്‍

Common name : Black Torrent Dart 
Malayalam name : കരിമ്പന്‍ അരുവിയന്‍ 
Scientific name : Dysphaea ethela Fraser, 1924
Family : Euphaeidae 
Place of observation : Thumboormuzhy, Kerala 
Date of observation : 10 - 09 - 2018

Female

Male

Female

Ovipositing
Teneral Female
Male
Female in obelisk posture
Female

Ovipositing in under water


Female


Malabar Torrent Dart (Euphaea fraseri) ചെങ്കറുപ്പന്‍ അരുവിയന്‍. Cowley, 1934

Common name: Malabar Torrent Dart 
Malayalam name: ചെങ്കറുപ്പന്‍ അരുവിയന്‍.
Scientific name: Euphaea fraseri  Cowley, 1934
Family: Euphaeidae
Place of observation: Thumboormuzhy, Kerala 
Date of observation: 10 - 09 - 2018

Female

Male

Wing flashing behaviour.

Stream Ruby (Rhinocypha bisignata) നീര്‍മാണിക്യന്‍. Rambur, 1842

Common name : Stream Ruby   
Malayalam name : നീര്‍മാണിക്യന്‍   
Scientific name : Rhinocypha bisignata  Rambur, 1842   
Family : Chlorocyphidae   
Place of observation : Thumboormuzhy, Kerala   
Date of observation  : 10 - 09 - 2018         
Male       
Abdomen  : 20 mm     
Hind wing : 24-26 mm         
Female     
Abdomen  : 16 mm     
Hind wing : 22 mm

Female

Markings on dorsal Thorax
Ovipositing
Juvenile Female
Male
Male in flight
Ovipositing
Ovipositing
Female


Male



In flight

Saturday, September 8, 2018

Greater Crimson Glider (Urothemis signata Rambur, 1842) പാണ്ടന്‍ വയല്‍ത്തെയ്യന്‍.

Common name: Greater Crimson Glider
Malayalam name: പാണ്ടന്‍ വയല്‍ത്തെയ്യന്‍
Scientific name: Urothemis signata Rambur, 1842
Family: Libellulidae
Location: Thumboor & Thommana, Kerala
Date of observation: Various

Male
Abdomen: 27-28mm
Hind wing: 34-37mm

Female
Abdomen: 25-27mm
Hind wing: 34-36mm

Female

Male

Andromorph Female

Male

Mating

Subadult Male

Andromorph Female

Male in flight


Exuviae

Tuesday, September 4, 2018

Blue bush dart (Copera vittata) ചെങ്കാലി പാൽത്തുമ്പി Selys, 1863

Common name: Blue Bush Dart
Malayalam name: ചെങ്കാലി പാൽത്തുമ്പി
Scientific name: Copera vittata  Selys, 1863
Family: Platycnemididae
Place of observation: Thumboor, Kerala
Date of observation: Various 

Male:      Abdomen 28-34 mm  Hind-wing 16-18 mm
Female:  Abdomen 28-30 mm  Hind-wing 18mm.

Male
Female
Anal appendages


Emergence video

Male
Male

Mating pair