Macaria sexmaculata, known by the common names green larch looper, larch looper or six-spotted angle, is a moth of the family Geometridae. It is found from Alaska to Nunavut and Newfoundland, south in the east to Massachusetts and south in the west to Oregon.

Macaria sexmaculata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Geometridae
Genus: Macaria
Species:
M. sexmaculata
Binomial name
Macaria sexmaculata
Packard, 1867
Synonyms
  • Semiothisa sexmaculata
  • Macaria unimodaria Morrison, 1874
  • Semiothisa labradoriata Möschler, 1883
  • Itame deleta
  • Sciagraphia purcellata Taylor, 1908
  • Macaria minorata var. incolorata Dyar, 1904

The wingspan is 16–24 mm. Adults are on wing from June to August. There are one to two generations per year.

The larvae of ssp. sexmaculata feed on Larix laricina and Larix decidua. Larvae of ssp. incolorata have been recorded on Larix occidentalis and Pseudotsuga.

Subspecies

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  • Macaria sexmaculata sexmaculata (Newfoundland, Labrador, Alberta, Massachusetts, Connecticut, New York, Maryland, Michigan, North Dakota)
  • Macaria sexmaculata incolorata (Alberta to British Columbia, northern Idaho, western Montana, Washington, Oregon)
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