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Orangestriped Oakworm Caterpillar Fifth instar caterpillars are black with orange stripes. They have prominent spiny horns on the second segment of the thorax. There are also smaller spikes on the remaining segments. They feed on oak trees during August and September. If caterpillar populations are large enough, they can cause severe defoliation of oak trees. Anisota senatoria,Geotagged,Orangestriped Oakworm,Orangestriped Oakworm Caterpillar,Orangestriped oakworm,Summer,United States,caterpillar Click/tap to enlarge PromotedSpecies introCountry intro

Orangestriped Oakworm Caterpillar

Fifth instar caterpillars are black with orange stripes. They have prominent spiny horns on the second segment of the thorax. There are also smaller spikes on the remaining segments. They feed on oak trees during August and September. If caterpillar populations are large enough, they can cause severe defoliation of oak trees.

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''Anisota senatoria'' is a Nearctic member of the family Saturniidae and subfamily Ceratocampinae. It is one of the more common Saturniids, reaching pest status occasionally in the northern parts of its range. As they are late-season feeders, however, they do little lasting damage to their hosts .
It is very similar to ''A. finlaysoni'' in southern Ontario and ''A. peigleri'' in the southern USA.

Similar species: Moths And Butterflies
Species identified by Christine Young
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By Christine Young

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Uploaded Mar 12, 2018. Captured Sep 12, 2015 15:05 in 5 East St, New Milford, CT 06776, USA.
  • Canon EOS 60D
  • f/5.0
  • 1/64s
  • ISO400
  • 100mm