Sunday, October 9, 2016

Emerald Cascader (Zygonyx iris) നീരോട്ടക്കാരൻ Selys, 1869

Common name: Emerald Cascader 
Malayalam name: നീരോട്ടക്കാരൻ
Scientific name: Zygonyx iris  Selys, 1869 
Family: Libellulidae
Location: Athirappilly, Thumboormuzhy, Kerala  
Date of observation: Various 

Male                                     
Abdomen  : 40-42mm    
Hind wing: 46-48mm

Female     
Abdomen  : 40-43mm  
Hind wing: 47-49mm

Ready to ovipositing

Male

Male

Emerald Cascader (Zygonyx iris)Male
Emerald Cascader (Zygonyx iris)

Tuesday, October 4, 2016

Ditch jewel (Brachythemis contaminata Fabricius, 1793) ചങ്ങാതി തുമ്പി

Common name: Ditch Jewel
Malayalam name: ചങ്ങാതി തുമ്പി 
Scientific name: Brachythemis contaminata  Fabricius, 1793
Family: Libellulidae
Place of observation: Thommana, Kerala 
Date of observation: Various

Female
Female
Male
Mating Pair
Male
Male
Female
Male in flight
Female
Female
Female
Male
Wings of Female


Black Tipped Ground Skimmer (Diplacodes Nebulosa Fabricius, 1793) ചുട്ടിനിലത്തൻ

Common name: Black Tipped Ground Skimmer
Malayalam name: ചുട്ടിനിലത്തൻ 
Scientific name: Diplacodes Nebulosa Fabricius, 1793
Family: Libellulidae
Place of observation: Thumboor/ Thommana, Kerala 
Date of observation: Various

Male
Male
Female
Male
Mating
Female
Immature Male
Immature Male


Colour differences on faces

DIFFERENT STAGES OF MALE

Wings of male


Common Hooktail or Lined Hooktail (Paragomphus lineatus Selys, 1850) ചൂണ്ടവാലൻ കടുവ

Common name: Common Hooktail or Lined Hooktail  
Malayalam name: ചൂണ്ടവാലൻ കടുവ   
Scientific name: Paragomphus lineatus  Selys, 1850  
Family: Gomphidae (Clubtailsകടുവാതുമ്പികൾ 
Place of observation: Thumboor/ Thommana, Kerala   
Date of observation: Various  

Female:  Abdomen 31-36 mm  Hind-wing 24-27 mm.   
Male:      Abdomen 32-37 mm  Hind-wing 24-27 mm


Young male
Male
Young Female
Young female
Mating

Young female
Face of female
Newly emerged female
Juvenile female
Juvenile male
Young male
Young female
Adult male
Young male
Anal appendages Dorsal view
Anal appendages lateral view