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Love travelling and nature. Avid scuba diver. Always on the look out for interesting stuff both on land and underwater!
Kuala Lumpur, Malaysia & Makati, Philippines
Not sure which you are referring to, but the white 'circular' line is the the border/edges of the operculum cap, which the nymph will hatch from. Not exactly sure how it is done, but the operculum cap is like a door, which it 'pushes' up a bit and hatched from there.
@Brian38 - this is not the first spotting of this species at PN.
At Wikipedia, the scientific name is Galeopterus variegatus.
There are four known sub-species from different locations :
- Galeopterus variegatus borneanus from the island of Borneo
- Galeopterus variegatus variegatus from the island of Java
- Galeopterus variegatus temminckii from the island of Sumatra
- Galeopterus variegatus peninsulae from Peninsular Malaysia and mainland South East Asia
However, since the publication of work by Janečka et al (2008), Galeopterus variegatus borneanus has widely been considered as a separate species, or even a species complex.
At PN, there are more than 10 spottings of Galeopterus variegatus, however, if based on locality, there are 6 spottings of Galeopterus borneanus but identified as Galeopterus variegatus.