Nematocampa resistaria

Nematocampa resistaria, the filament bearer, bordered thorn or horned spanworm moth, is a moth of the family Geometridae. The species was first described by Gottlieb August Wilhelm Herrich-Schäffer in 1856. It is found in North America from British Columbia to Nova Scotia, south to Florida and California.

Caterpillar

Nematocampa resistaria
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Geometridae
Tribe:
Ourapterygini
Genus:
Nematocampa
Species:
N. resistaria
Binomial name
Nematocampa resistaria
Synonyms
  • Eugonobapta brunneolineata Hulst, 1900
  • Nematocampa expunctaria Grote, 1872
  • Nematocampa filamentaria Guenée, [1858]
  • Ania limbaria chagnoni Swett, 1913
  • Phalaena limbata Haworth, 1809
  • Nematocampa orfordensis Cassino & Swett, 1922
  • Microgonia vestitaria Herrich-Schäffer, [1855]

This species was split from the Eurasian Nematocampa limbata.

The wingspan is 19–25 mm. Adults are on wing from May (or April in the deep south) to August. There is one generation in the north, two generations in the middle states and multiple generations in the southern part of the range.

Larvae feed on various deciduous and coniferous trees and shrubs, including Pseudotsuga, Tsuga, Abies, Picea, Salix, Betula papyrifera, Corylus, Fragaria and carrot (Daucus).

  • SAnweiler, G. G. (2007). "Species Details Nematocampa resistaria". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved November 9, 2020.
  • Images
  • Bug Guide


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