Senegal Golden Dartlet (Ischnura senegalensis Rambur, 1842) നീല പുല്‍മാണിക്യന്‍

Common name: Senegal Golden Dartlet
Scientific name: Ischnura senegalensis  Rambur, 1842
Malayalam name:  നീല പുല്‍മാണിക്യന്‍
Family: Coenagrionidae
Place of observation: Thommana, Thumboor. Thrissur -  Kerala 
Date of observation: Various

Male                                  
Abdomen: 21-23mm   
Hind wing: 13-15mm

Female  
Abdomen: 20-24mm 
Hind wing: 14-16 mm  

Feamle

Male

Female

Female

Senegal Golden Dartlet (Ischnura senegalensis) Andromorph female & Blue sprite (Pseudagrion microcephalum) male.

Andromorph Female

Male

Female

Female

Ground skimmer (Diplacodes trivialis Fabricius, 1793) നാട്ടു നിലത്തന്‍

Common name:  Ground skimmer

Malayalam name: നാട്ടു നിലത്തന്‍

Scientific name: Diplacodes trivialis  Fabricius, 1793 

Family: Libellulidae
Place of observation: Thumboor - Kerala 

Date of observation: Various

Male:      Abdomen 19-22 mm  Hind-wing 22-23 mm
Female:  Abdomen 18-20 mm  Hind-wing 22-24 mm. 

Female

Adult male

Female obelisk posture

Juvenile Female

Adult Female

Mating

Male

Juvenile male

Female

Immature female

Adult male

Subadult male

Subadult male face to face

Sub-adult female

Sub-adult female face to face

Wings

Myristica sapphire (Calocypha laidlawi) മേഘവര്‍ണ്ണന്‍ Fraser, 1924

Common name: Myristica sapphire
Malayalam name: മേഘവര്‍ണ്ണന്‍
Scientific name: Calocypha laidlawi  Fraser, 1924
Family: Chlorocyphidae 
Place of observation: Athirappilly, Kerala 
Date of observation: 14 - 12 - 2018 

Male                                 
Abdomen: 17-18 mm     
Hind wing: 20 mm
 
Female
Abdomen: 17 mm   
Hind wing: 24 mm 
   
It is endemic to the Western Ghats.

Male

Male

Male face

Male

Orange Marsh Dart (Ceriagrion rubiae Laidlaw, 1916) തീചതുപ്പൻ

Common name: Orange Marsh Dart
Malayalam name: തീചതുപ്പൻ
Scientific name: Ceriagrion rubiae  Laidlaw, 1916
Family: Coenagrionidae (ചതുപ്പൻമാർ)
Place of observation: Thumboor -  Kerala 
Date of observation: Various

Male                                  
Abdomen: 26-29mm   
Hind wing: 17-18mm

Female  
Abdomen: 30-31mm 
Hind wing: 20 mm 

Adult female

Adult Male

Sub-adult female

Male

Male

Juvenile male

Ovipositing

Male

Male

Sub-adult female

Male

Mating

Three lined dart (Pseudagrion decorum) ഇളംനീല പൂത്താലി Rambur, 1842

Family : Coenagrionidae
Scientific name : Pseudagrion decorum  Rambur, 1842
Common name : Blue Sprite / Blue River Damsel 
Malayalam name : ഇളംനീല പൂത്താലി
Place of observation : Pariyaram, Thrissur -  Kerala 
Date of observation  : 25-12-2016

Male                                  
Abdomen  : 28-30mm   
Hind wing : 18-20mm

Female  
Abdomen  : 31mm 
Hind wing : 20 mm

Keys male
Thorax azure blue on dorsum and sides, marked with medial and humeral black stripes
Thorax green on dorsum, azure blue on sides, marked with medial and humeral black stripes
Thorax palest blue, with three fine black lines on mid-dorsal carinal ridge and a thicker black humeral stripe.

Keys female
Segment 2 with a black arrow-head-shaped marking on dorsum; segment 9 with a quadrate black dorsal spot.
(Fraser vol.1 page 286 - 288)

Male

Male

Blue Sprite / Blue River Damsel (Pseudagrion microcephalum Rambur, 1842) നാട്ടുപൂത്താലി

Common name: Blue Sprite / Blue River Damsel 
Malayalam name: നാട്ടുപൂത്താലി
Scientific name: Pseudagrion microcephalum  Rambur, 1842
Family: Coenagrionidae
Place of observation: Thumboor, Thommana -  Kerala 
Date of observation: Various

Male                                  
Abdomen: 27mm   
Hind wing: 17mm

Female  
Abdomen: 29mm 
Hind wing: 20 mm

Keys male
Dorsal marking on segment 2 goblet-shaped; 
Superior anal appendages with 6, 2, or 3 small spines on the inner border.

Keys female
Head and the upper surface of eyes with a large amount of bright orange; 
Segment 9 with a bifid black marking.
(Fraser vol.1 page 278, 279)

Female

Male

Tandem

Male transferring sperms to the secondary genitalia

Mating

Mating

Ovipositing

Ovipositing

Male

Female

Pseudagrion microcephalum and Ceriagrion cerinorubellum ovipositing pairs

Male

Male

Comparison of the female's Head & Thorax

Comparison of the male's Head & Thorax

Comparison of the male's Anal appendages

Comparison of the males

Comparison of the females