Monday, August 24, 2020

Konkan rockdweller (Bradinopyga konkanensis Joshi & Sawant, 2020) ചെങ്കൽത്തുമ്പി

Common name: Konkan rockdweller 
Scientific name: Bradinopyga konkanensis  Joshi & Sawant, 2020
Malayalam name: ചെങ്കൽത്തുമ്പി
Family: Libellulidae
Location: Thumboor, Thrissur, Kerala
Date of observation: Aug 2020 

Female

Male

Wednesday, July 8, 2020

Larvae and Exuviae

    An exuvia (plural exuviae) of an Odonata is the cast-off outer skin after moulting or emerging. Below are pictures of the exuviae found on leaves and stems of plants near water bodies each season.

     രു തുമ്പി അതിന്റെ ലാർവയിൽ നിന്നും വിരിഞ്ഞതിനു ശേഷം അവശേഷിക്കുന്ന പുറന്തോടിനെയാണ് എക്‌സൂവിയ എന്ന് പറയുന്നത്. ഓരോ തുമ്പി സീസണിലും ജലാശയങ്ങൾക്കു സമീപമുള്ള സസ്യങ്ങളുടെ തണ്ടുകളിലും ഇലകളിലും മറ്റും കണ്ടെത്തുന്ന പുറന്തോടുകളിൽ തിരിച്ചറിയാൻ കഴിഞ്ഞതിന്റെ ചിത്രങ്ങളാണ് ചുവടെ ചേർക്കുന്നത്.

Trithemis festiva

Larval exuviae of  Ictinogomphus rapax

Larval exuviae of Macrogomphus wynaadicus

Larval exuviae of  Macromidia donaldi
Larval exuviae of  Urothemis signata

Larval exuviae of Anax indicus
Larval exuviae of Epophthalmia vittata

Larval exuviae of Gynacantha dravida
Larval exuviae of Lathrecista asiatica
Larval exuviae of Potamarcha congener
The Larva of Paragomphus lineatus
The Larva of Lestes elatus

Platylestes platystylus
Larva of Vestalis apicalis

The larva of Archibasis oscillans
The larva of Archibasis oscillans

Larva of Vestalis apicalis
Larva of Brachydiplax chalybea

Friday, July 3, 2020

Malabar sprite or Jungle grass dart (Pseudagrion malabaricum Fraser, 1924) കാട്ടുപൂത്താലി

Common name: Malabar sprite / Jungle grass dart
Malayalam name: കാട്ടുപൂത്താലി 
Scientific name: Pseudagrion malabaricum Fraser, 1924
Family: Coenagrionidae
Place of observation: Thumboor, Thommana -  Kerala 
Date of observation: Various  

Male

Tandem Positions
Sperm transferring

Mating Wheel position

Anal appendages

Eyes, Thorax and Secondary genitalia

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



Tuesday, June 30, 2020

Dark Daggerhead (Macromidia donaldi Fraser, 1924). നിഴൽ കോമരം

Common name: Dark Daggerhead
Scientific name: Macromidia donaldi (Fraser, 1924)
Family: Synthemistidae
Malayalam name: നിഴൽ കോമരം
Place of observation: Kallettumkara, Kerala
Date of observation: June, July 2020

Male
Abdomen 34 mm. Hind-wing 30 mm. 

Female
Abdomen 31 mm. Hind-wing 28-30 mm.

Teneral Female

Teneral Female

Male 

Male

Male

Anal appendages

Lateral Thorax

Eyes & Dorsal Thorax

Ventral view of last segments and anal appendages

Secondary Genitalia

Exuviae of Macromidia donaldi


Wings of male

Sunday, June 7, 2020

Macromia flavocolorata Fraser, 1922

Common name: NA
Scientific name: Macromia flavocolorata Fraser, 1922
Family: Macromiidae
Malayalam name: NA
Place of observation: Thumboormuzhy, Kerala 
Date of observation: