Green Pergesa Hawkmoth (Pergesa acteus)

Location - Polgasowita
Wing expanse - 6 to 7 cm
Food Plants - Elephant Ear/Caladium bicolor (Sujeeva Gunasena, Personal communication), පණු අල /Typhonium trilobatum (Moore F., 1882-3)
Life Cycle - https://www.facebook.com/kamanijeeva/media_set?set=a.1299671540099821&type=3
Reference - The Lepidoptera of Ceylon - F. Moore, F.Z.S. Vol 2 Page 23.
External Links - https://www.inaturalist.org/taxa/322014-Pergesa-acteus

Brown-Banded Hunter Hawkmoth (Theretra silhetensis)

Location - Polgasowita.

Reference - The Lepidoptera of Ceylon - F. Moore, F.Z.S. Vol 2 Thretra nessus of Page 22 & Plate 85?

External links -  http://www.inaturalist.org/observations/1803331

Oleander Hawk Moth (Daphnis nerii)

Location - Kotte.

Wing expanse - 8 - 10 cm

Reference - The Lepidoptera of Ceylon - F. Moore, F.Z.S. Vol 2 Page 14-15.

External links -  http://www.inaturalist.org/taxa/51996-Daphnis-nerii
Larval host plants - "Feeds on Oleander (Nerium oleander ) and Cinchona" - Moore, F.Z.S., 1882-3, Desert rose (Adenium obesum) & වතු-සුද්ද/Sri Lanka Jasmine/Grape-Jasmine/Wathu-Sudhdha (Tabernaemontana divaricata) - (Sujeeva Gunasena, Personal communication )