Swallowtail Butterfly caterpillar

Yeh right , im just not sure , does this species also exhibits seasonal polyphenism? Sometimes this makes taxonomy of the group quite tricky. Actually heraclides is a rare one in our place, have tried to breed some but very difficult they mostly occur in the cool mountainous area in our region.

Looking at Sergio's I also thought it was Thoas, but I was wrong, it was Hectorides. They look almost identical. Personally I can't separate them. To my knowledge all osmeteria in Heraclides are orange or reddish. And some of the pictures on the web are misided.

Most probably its a (heraclidis thoas) King Thoas or King swallowtail because of its orange scent horn, I've seen some of it in our area.

The horns are called Osmeterium, a defense organ: http://en.wikipedia.org/wiki/Osmeterium

Some kind of a caterpillar from papilionidae family, its on first phase. It will be easier to identify after it molts to its second stage. The antenna is actually a scent horn common to swallowtails' caterpillars.

I am very careful now ;-)... http://www.projectnoah.org/spottings/9092863