Reptile & Amphibian Forums

sorry if i seem rude but i need to know why two things happen.the wooly catapillar changes from year to year in color patterns.why?
and second why is it i only see them crossing the roads i mean i feel bad for them and dont want to squish them i just dont understand.is it a migration thing or do the just need to do it or what?i'm quite confused.sorry for being such a dork but i have a need to know diffrent thing.by the way you guys have some of the coolest pictures of insects and aracnids ive ever seen.i'm super intersested in how you do it and with what i think it may be a cool hobby on the side.thank you for any help you may give in advance.....bill

You will want to read this article. It pretty much sums up your questions.

http://www.crh.noaa.gov/arx/woollybear.htm

Personally, as far as predicting the weather goes, I've found them to be on average more accurate than not.

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Wyvern

The Invert Collection:
* (1) Aphonopelma anax - Texas Tan
* (1) Avicularia geroldi - Brazilian Blue Pinktoe
* (1) Brachypelma auratum - Mexican Flameknee
* (1) Brachypelma emilia - Mexican Red-leg
* (1) Brachypelma smithi - Mexican Red-knee
* (1) Cyclosternum fasciatum - Costa Rican Tiger Rump
* (1) Eupalaestrus campestratus - Pink Zebra Beauty
* (2) Grammostola pulchra - Brazilian Blacks
* (1) Lasiodora parahybana - Brazilian Salmon Birdeater
* (1) Nhandu chromatus / Lasidora cristata - Brazilian Red & White (aka White Striped Birdeater)
* (1) Nhandu coloratovillosus - Brazilian Black & White
* (1) Theraphosa blondi - Goliath Bird Eater
* (1) Latrodectus variolus - Northern Widow w/egg sac
* (~12) Latrodectus variolus - Northern Widow spiderlings

thank you