Haematopis grataria
Encyclopedia
The Chickweed Geometer (Haematopis grataria) is a species of moth
of the Geometridae family. It is found throughout the United States
. In Canada
it is found from Quebec
to Alberta
, north to the Northwest Territories
.
The wingspan
is 20–25 mm. Adults are on wing from May to October. It is a day-flying species.
The larvae feed on various low-growing plants, including Stellaria
, Polygonum
and clover.
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 throughout the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
. In Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
it is found from Quebec
Quebec
Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....
to Alberta
Alberta
Alberta is a province of Canada. It had an estimated population of 3.7 million in 2010 making it the most populous of Canada's three prairie provinces...
, north to the Northwest Territories
Northwest Territories
The Northwest Territories is a federal territory of Canada.Located in northern Canada, the territory borders Canada's two other territories, Yukon to the west and Nunavut to the east, and three provinces: British Columbia to the southwest, and Alberta and Saskatchewan to the south...
.
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 20–25 mm. Adults are on wing from May to October. It is a day-flying species.
The larvae feed on various low-growing plants, including Stellaria
Stellaria
Stellaria is a genus of about 90-120 species flowering plants in the family Caryophyllaceae, with a cosmopolitan distribution. Common names include stitchwort and chickweed.-Food use:...
, Polygonum
Polygonum
Polygonum is a genus in the Polygonaceae family. Common names include knotweed, knotgrass, bistort, tear-thumb, mile-a-minute, and several others. In the Middle English glossary of herbs "Alphita" , it was known as ars-smerte. There have been various opinions about how broadly the genus should be...
and clover.