February 18, 2017

COMMENT CHALLENGE: Many will know the Eastern Tent Caterpillar as a pesky, hungry, scourge of backyard cherry and apple trees. But there is A LOT more to know and discover about these dynamic native caterpillars. Before posting comments about how much trouble they caus...

February 14, 2017

Pygmy Leafminer, Stigmella quercipulchella, eating its way through a late season oak leaf and then emerging at The Caterpillar Lab.

Time for a trip down memory lane. I will be posting the best videos from our 2016 season over the next few weeks. Did you have a favorite?...

February 3, 2017

Cecropia Giant Silk Moth caterpillars sheds its skin at The Caterpillar Lab.

Time for a trip down memory lane. I will be posting the best videos from our 2016 season over the next few weeks. Did you have a favorite? Did any of our videos surprise you? Delight you? Disgu...

December 19, 2016

Finally, The Caterpillar Lab has a YouTube channel! All of our videos from the past few years are uploaded and ready to view! Help us crawl across the web by visiting our new YouTube channel and subscribing and sharing some videos!

You can find many of the same videos h...

December 17, 2016

The Goldenrod Flower Caterpillar, Schinia nundina, is just one member of a diverse and visually compelling genus of flower and seed eating caterpillars. Some Schinia flower caterpillars are expertly camouflaged against a floral backdrop, others resemble seed pods, and...

December 17, 2016


Another flower, another Schinia. This is the Evening Primrose Caterpillar, Schinia florida. They are remarkable mimics of primrose seed pods and will rest on the pods with their heads buried inside them while they feast on all the del...

June 27, 2016

Witness the Double-Toothed Prominent (Nerice bidentata), in all its leaf-edge-mimicking glory!

Not surprisingly, Double-Toothed Prominents are a favorite around here. We love how accurately their double-toothed backs imitate the double-toothed elm leaves on which they l...

June 9, 2016

Here's Hemaris diffinis, the snowberry clearwing.

Sphinx caterpillar season has arrived in New England. Walking along roadsides near meadows and gardens, we are starting to spot tiny irregular holes in the leaves of honeysuckle bushes. Turning over these leaves uncovers...

May 23, 2016


The Viceroy (Limenitis archippus) is a favorite amongst our staff and our audiences, and for good reason--it’s a pretty awesome caterpillar!


If you’ve seen a Viceroy caterpillar before, your first thought might have been, “Weird.” That reaction would be justified; Vic...

April 27, 2016

Our Caterpillar of the Week is the Eastern Tent Caterpillar -- Malacosoma americanum.


Many of us are familiar with the spongy egg masses of the Eastern Tent Moth, which often encircle branches of wild black cherry trees. However, few realize that even as the snow comes...

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