Nemoria bistriaria
Encyclopedia
The Red-fringed Emerald or Two-striped Emerald (Nemoria bistriaria) is a species of moth
of the Geometridae family. It is found from New Brunswick
to Florida
, west to Texas
, north to Ontario
.
The wingspan
is about 22 mm. Adults are on wing from March to October in the south and from May to August in the north. There are at least two generations per year.
The species occurs in a seasonal brown form where the green colour of the wings is entirely replaced by a light coffee colour.
The larvae of ssp. siccifolia feed on Quercus alba, while larvae of the nominate subspecies have been recorded on Juglans nigra, Betula nigra and Quercus.
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...
of the Geometridae family. It is found from New Brunswick
New Brunswick
New Brunswick is one of Canada's three Maritime provinces and is the only province in the federation that is constitutionally bilingual . The provincial capital is Fredericton and Saint John is the most populous city. Greater Moncton is the largest Census Metropolitan Area...
to Florida
Florida
Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...
, west to Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...
, north to Ontario
Ontario
Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....
.
The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...
is about 22 mm. Adults are on wing from March to October in the south and from May to August in the north. There are at least two generations per year.
The species occurs in a seasonal brown form where the green colour of the wings is entirely replaced by a light coffee colour.
The larvae of ssp. siccifolia feed on Quercus alba, while larvae of the nominate subspecies have been recorded on Juglans nigra, Betula nigra and Quercus.
Subspecies
- Nemoria bistriaria bistriaria
- Nemoria bistriaria siccifolia (Pennsylvania to southern Quebec and Ontario)