Orgyia leucostigma, the white-marked tussock moth, is a moth in the family Erebidae. The species was first described by James Edward Smith in 1797. The caterpillar is very common especially in late summer in eastern North America, extending as far west as Texas, California, and Alberta. [1]

2025年1月31日 · White-marked Tussock Moth (Orgyia leucostigma) Detailing the physical features, habits, territorial reach and other identifying qualities of the White-marked Tussock Moth 

2023年9月5日 · Orgyia leucostigma J. E. Smith 1797. Synonyms: leuco=white and stigma= mark or spot (Greek). Presumably refers to the white spots on the male forewings. Adult: Adult females, which are pale grey, are wingless and therefore flightless. Males are medium brown moths with a distinctive darker pattern and a single white spot on each forewing.

4 天之前 · The whitemarked tussock moth, Orgyia leucostigma, is a native insect that for unknown reasons, may suddenly become locally abundant. This insect overwinters as eggs in a mass laid in or on the mother's cocoon.

Orgyia detrita (the fir tussock moth) is the most common of the species in Florida followed by Orgyia leucostigma (the whitemarked tussock moth) and finally Orgyia definita (the definite tussock moth), which is rare in Florida (Foltz 2004).

White spot accents lower st. line, as in male Orgyia definita. Wing Span: 2.5-3.5 cm (male). Female lacks wings. Life History: Sometimes a pest on Christmas tree plantations northward in its range. Flight: June-November (2 broods usually June-August and August-November). One brood (August-October) in far northeastern range.

Scientific Name: Orgyia (=Hemerocampa) leucostigma (J. E.Smith) Order: Lepidoptera. Description: Caterpillars grow to 1-1/4 inch long and is unique in that there are four brush-like tufts or bunches of light tan hairs on the back (top of the first four abdominal segments) and red dots (abdominal segments six and seven). In addition, there is a ...

Orgyia leucostigma, the white-marked tussock moth, is a moth in the family Erebidae. The species was first described by James Edward Smith in 1797. The caterpillar is very common especially in late summer in eastern North America, extending as far west as Texas, California, and Alberta.

White-marked Tussock Moth (Orgyia leucostigma) White-marked tussock moth of the Erebidae family is indigenous to different parts of North America. The larva is more common than the adult, mostly seen during late summer, particularly in the eastern parts of North America, throughout California, Alberta, and Texas.

These caterpillars are conspicuously colored - they have red/orange head capsules and a mostly yellow body with tufts of white to yellow hair. The tufts are found on abdominal segments 1 through 4 (four tufts total) and the caterpillars have a black stripe in the middle of their back that has a yellow stripe on either side.