Cankerworms hatching!

Spring and fall cankerworms are hatching as we speak. I saw the first ones today

The first cankerworms of spring. Photo: SD Frank

The first cankerworms of spring. Photo: SD Frank

Tiny nibbles on a willow oak leaf. Photo: SD Frank.

Tiny nibbles on a willow oak leaf. Photo: SD Frank.

oncampus.  Despite their names both species become active as soon as buds break. Small green and brown caterpillars dangle from silk below trees and hitchhike on passersby. Not a major threat to trees but this year are so abundant silk strands are blocking sidewalks on campus! Caterpillars are a major food source for over 90% of songbirds so urban trees that support caterpillars boost urban songbird abundance and survival. It is also fun to watch people try to navigate around (or get tangled up in) hanging caterpillars. Enjoy the show.

You can find out more on our cankerworm project page

.

Advertisements

One thought on “Cankerworms hatching!

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s