- Nematocampa resistaria
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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
Herrich-Schäffer, [1856]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]
The Filament Bearer, Bordered Thorn or Horned Spanworm Moth (Nematocampa resistaria) is a moth of the Geometridae family. It is found from British Columbia to Nova Scotia, south to Florida and California.
Caterpillar
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.
External links
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