Guardian Nature School Team Contact Blog Project Noah Facebook Project Noah Twitter

A global community of nature enthusiasts
photographing and learning about wildlife

Join Project Noah!
nature school apple icon

Project Noah Nature School visit nature school

Robin's Carpenterworm Moth

Prionoxystus robiniae


Family: Cossidae (Carpenterworm and Leopard Moths) Female. TL: 45 mm. Wingspan: 89 mm. Semi-translucent whitish FW has a desne network of black veins and lines. Blackish blotches of variable size mark basal and median lines. Sexually dimorphic and females are significantly larger. Resembles sphinx moth. Very dense and long thick abdomen. Hosts: ash, chestnut, locust, oak, etc. Larvae can be harmful to the tree.


Woodlands and yards


The vibration on my arm and hand felt like a static electricity shock. This moth is extremely heavy. I was so surprised.

Species ID Suggestions

Sign in to suggest organism ID


CalebSteindel 7 years ago


RiekoS 8 years ago

Beautiful moth.

Carol Snow Milne
Spotted by
Carol Snow Milne

penna, USA

Spotted on Jul 15, 2013
Submitted on Jul 23, 2013

Noah Guardians
Noah Sponsors
join Project Noah Team

Join the Project Noah Team