Invertebrates

See our handy guide to critters found in local homes and our Central Coast Butterfly FAQ. Browse the insects and other terrestrial arthropods we’ve identified. Check out local marine invertebrates, particularly bivalve mollusks and intertidal organisms.

“Hello! I have a new insect for you. I think he was on the wisteria...so maybe a genista broom caterpillar?”
Cassie, Ventura - July 1, 2021

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“My daughter found a black fuzzy caterpillar 2 weeks ago and wanted to keep it until it turned into a moth or butterfly. Yesterday it wedged itself in the bottom of its container, and started spinning...”
Ariel, Goleta - June 30, 2021

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“Hello! I found this cicada struggling in my pool. After I netted it I took a few photos while it was in torpor, and looked online for the species. I could not find a match to a black-eyed cicada exce...”
Adam, Goleta - June 30, 2021

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“Every year I am struck by the bees (?) buzzing in the coast live oaks around the western residence.  Collectively, there are enough to create quite a hum at a distance.  This is not a swarm, rather th...”
Bob, Las Encinas Road - May 19, 2021

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“Any idea as to what species this is and why does it appear to have three antennae that are pointing to the rear of its head? The antennae also appear to be transparent, what is that item that runs the...”
Ken, Ventura - May 17, 2021

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“Was breaking apart some sandstone boulders to dig some very old marine fossils out of them and came across this very strange, very small insect, it's about maybe 1.5mm in size. Is this some sort of sp...”
Ken, Ventura - May 13, 2021

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“I was hoping you would tell me if the different designs on the back of ticks have any meaning (ie: male or female, type of tick) or are they just random decoration? Thank you.”
Shirley, Santa Barbara - May 7, 2021

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“We found this black beetle with pincer-looking horns on our second story balcony, hanging out in the afternoon sun on the stucco. It was probably about 0.75 inches in length. Can you tell what it is?”
Scott, Gutierrez and Calle Cesar Chavez - April 30, 2021

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“I found this insect in our kitchen and it's body is around 1 cm long (maybe a bit more). Could you identify it and provide any information about e.g. if it is usually isolated or where it nests? Thank...”
Shreyas, Goleta - March 17, 2021

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“I found this very strange large insect last night on my outdoor mat. It has the body of a bee black and yellow stripes. But it looks like the head of a grasshopper. I can send you a photo of it? My fi...”
Lynn, Santa Barbara - March 4, 2021

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