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Western Tussock Moth

Orgyia vetusta

Description:

By far the coolest caterpillar I've seen locally yet! This one has two rows of orange spots along each side and a short row of red up the center near the tail. There are black tufts of hear making a fork tail, one tuft about 1/4 of the way back on the top and two on the sides of the head like pigtails :) There are also a couple white tufts of hair just behind the black. Long white hairs cover the head like bangs. The hairs are light yellow and gray. The skin has several horizontal rows of yellow stripes toward the front that can be seen on the last image. The rest of the skin is mottled gray. This thing screams warning! The cocoon can be seen at my other spotting from April 19th: http://www.projectnoah.org/spottings/104...

Habitat:

Ramona Lilac bush along a trail through chaparral at Daley Ranch.

Notes:

Tussock moth caterpillars are known for their "distinctive appearance of alternating bristles and haired projections. The larvae are also hairy, often with hairs packed in tufts, and in many species the hairs break off very easily and are extremely irritating to the skin (especially members of the genus Euproctis; Schaefer, 1989). This highly effective defence serves the moth throughout its life cycle as the hairs are incorporated into the cocoon, from where they are collected and stored by the emerging adult female at the tip of the abdomen and used to camouflage and protect the eggs as they are laid." - Wikipedia This is what makes this caterpillar, Wildlife with Innovative Defenses.

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5 Comments

CindyBinghamKeiser
CindyBinghamKeiser 12 years ago

He does look futuristic :) Thank you harsuame

rutasandinas
rutasandinas 12 years ago

Fantástico amigo futurista

CindyBinghamKeiser
CindyBinghamKeiser 12 years ago

Thanks ceherzog! I didn't realize how interesting they were until I researched this one. I struggled taking pictures of this one (full manual), but I'm happy the overall beauty of the caterpillar shows!

ceherzog
ceherzog 12 years ago

The tussock moth caterpillars are so interesting...good shots!

Hema  Shah
Hema Shah 12 years ago

Could turn into a brownish moth.

San Diego, California, USA

Spotted on Mar 27, 2012
Submitted on Mar 28, 2012

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