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Fall Webworm Caterpillar Fifth instar caterpillar with a black head, yellowish sides, and a dark dorsal stripe. Its body was covered with long, white setae arising from tubercles located along the sides.<br />
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This species occurs throughout North America, although there are distinct physical differences between the northern and southern populations. Furthermore, the number of generations per year depends on latitude. The southern populations are multivoltine and may complete four generations per year, while northern populations are univoltine, completing only one life cycle per year. Fall,Fall Webworm,Fall Webworm Caterpillar,Fall webworm,Geotagged,Hyphantria cunea,United States,caterpillar Click/tap to enlarge Promoted

Fall Webworm Caterpillar

Fifth instar caterpillar with a black head, yellowish sides, and a dark dorsal stripe. Its body was covered with long, white setae arising from tubercles located along the sides.

This species occurs throughout North America, although there are distinct physical differences between the northern and southern populations. Furthermore, the number of generations per year depends on latitude. The southern populations are multivoltine and may complete four generations per year, while northern populations are univoltine, completing only one life cycle per year.

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The fall webworm, ''Hyphantria cunea'', is a moth in the family Arctiidae known principally for its larval stage, which creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall. It is mainly an aesthetic pest, and is not believed to harm otherwise healthy trees. It is well known to commercial tree services and arboriculturists.

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

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Uploaded Mar 10, 2018. Captured Oct 4, 2017 11:05 in Main St S, Southbury, CT 06488, USA.
  • Canon EOS 60D
  • f/11.0
  • 1/256s
  • ISO400
  • 100mm