two cocoons side by side one smooth one rough with woolly bear caterpillar hair.

adhere allergy attach ball bed black brown bug canada caterpillar close cocoon cocoons cryoprotectant dermatitis dried fall fluffy fur hair hairs hatch hibernate insect irritation isabella larvae leaves metamorphosis moth nature oblong one plant predict pupate pyrrharctia rough round satae seasons shed side silk smooth spinning spiny spring states texture tiger transformation two united weather wild winter woolly wooly