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yellow and black caterpiller (orange-tipped oakworm moth caterpillar)

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orange-tipped oakworm caterpillar
by: Moni

Keeta
We lived in Perrysburg so I did not visit Wildwood that I remember...it has been quite a few years.
There must be lots of oaks there to find this caterpillar. Glad we could figure out what it was.

THANKS
by: Keeta

Moni,
Thank you so much Moni! I searched online for a while but found nothing. Thanks for the link and great descriptions! I learned a lot. Oh and I actually took these pictures at Wildwood. Are you familiar with the area?

orange-tipped oakworm moth caterpillar
by: Moni

Keeta
Your caterpillar is the orange-tipped oakworm moth caterpillar.
This caterpillar is found widespread in eastern United States and parts of southern Canada.
According to bugguide.net, (the most up-to-date source of scientific names of insects) this insect may actually be three different species that can only be separated in the larvae stage. " Larval characteristics may give one an identification of the regional forms (Anisota senatoria, or peigleri, or finlaysoni), which may be separate species, or a cline (regional forms) "
With that said...the adult moths do not feed. The caterpillars feed on oaks as the name suggests :-), (tho some have been found to feed on water chestnuts and on laurel in the south). The larvae stay together in the early stages but spread out as they get larger. Populations can get to be a pest problem. But as you noted, it was in a public park so there is no need to worry about control.
Having lived in Toledo...was this found at Oak Openings?
Here are photos of the moth and other stages of the caterpillar - http://bugguide.net/node/view/5167/bgimage





but what is it?
by: Keeta

They were in a public park were there are lots of trails, so many of them had been killed by runners. I wasn't really concerned with how many there were. I just want to know what it is.

Was there an ARMY of them?
by: Stuart

There are plenty of controls for these pests, ranging from the natural (birds, lacewings, etc) through the sprays (sevin, malathion) to the overly dramatic (napalm).

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