Thorny Tucson caterpillar
Location: East Tucson, AZ
September 30, 2011 10:48 pm
What is my bug?
Signature: Curious in tucson
Dear Curious in Tuscon,
Your caterpillar is in the genus Syssphinx, and it is most likely Hubbard’s Small Silkmoth, Syssphinx hubbardi. You can compare your photo to images posted on BugGuide which indicates: “Larvae feed on Wright’s acacia, honey mesquite and catclaw acacia”.