Hellula rogatalis
Encyclopedia
The Cabbage Webworm is a moth
of the Crambidae
family. It is found from the southern United States
north in the east to Maryland
, New York
and Ontario
.
The wingspan
is 15-21 mm. The forewings are brownish-yellow or greyish-yellow with wavy white antemedial median, and postmedial lines. The subterminal line consists of several equally-spaced black dots. The hindwings are light grey or greyish-yellow with a dark terminal line and pale fringe. Adults are on wing from late March to October in the south and from June to October in the north. There are several generations per year in the south.
The larvae feed on a wide range of Brassicaceae
and related species, including cabbage, turnip, beet, collard, cauliflower, kale, rutabaga, radish, kohlrabi, mustard, rape, horseradish, shepherd's purse and purslane. They feed on the leaf buds and young leaves of their host plant. They create a silken web.
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 Crambidae
Crambidae
The Crambidae are the grass moth family of Lepidoptera . They are quite variable in appearance, the nominal subfamily Crambinae taking up closely folded postures on grass-stems where they are inconspicuous, while other subfamilies include brightly coloured and patterned insects which rest in...
family. It is found from the southern United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
north in the east to Maryland
Maryland
Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...
, New York
New York
New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...
and 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 15-21 mm. The forewings are brownish-yellow or greyish-yellow with wavy white antemedial median, and postmedial lines. The subterminal line consists of several equally-spaced black dots. The hindwings are light grey or greyish-yellow with a dark terminal line and pale fringe. Adults are on wing from late March to October in the south and from June to October in the north. There are several generations per year in the south.
The larvae feed on a wide range of Brassicaceae
Brassicaceae
Brassicaceae, a medium sized and economically important family of flowering plants , are informally known as the mustards, mustard flowers, the crucifers or the cabbage family....
and related species, including cabbage, turnip, beet, collard, cauliflower, kale, rutabaga, radish, kohlrabi, mustard, rape, horseradish, shepherd's purse and purslane. They feed on the leaf buds and young leaves of their host plant. They create a silken web.