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)

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 (Clubtails) കടുവാതുമ്പികൾ 

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