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Dr Gabriella Fredriksson wrote to ask me about the ID of a moth species which has infested the forest there, and one which has attracted groups of orangutan to feast on them.
The best I can do is to identify it as an Achaea species, but what is the species ID? :hmmm:
I think it should be Achaea eusciasta.
The FW discal mark is a black dot followed by a large oval/oblong spot.
http://lepidoptera.butterflyhouse.co...eusciasta.html
TL Seow:Cheers.
There are four widespread species of Achaea here which are very similar & can be pest.
They are A. janata, serva eusciasta, & mercatoria.
By comparing the cats of A. janata & serva , these two are very unlikely & can be ruled out.
http://lepidoptera.butterflyhouse.co...to/janata.html
http://lepidoptera.butterflyhouse.co...ato/serva.html
The adult of A. mercatoria can be recognised by the falcate forewing tip.
http://www.africanmoths.com/images/E...ria1%20upp.jpg
This leaves Achaea eusciasta .
TL Seow:cheers:
Many thanks, Dr Seow for the detailed explanation on the deduction process. :)
I have passed on the ID to Dr Gabriella Fredriksson.