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 .

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 

2025年2月2日 · 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.

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.

Blackish patch near apex smaller, with no light streaks below it. 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).

Common Name: Whitemarked tussock moth Scientific Name: Orgyia (=Hemerocampa) leucostigma (J. E.Smith) Order: Lepidoptera

The white-marked tussock moth is native to eastern North America and parts of Canada. This species of tussock moth overwinters in the egg stage. Eggs are laid by females in groups of approximately 300 in a white frothy mass on the cocoon from which the female moth emerges.

2023年9月5日 · 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.

2010年11月23日 · WmTMs (Orgyia leucostigma) are in the tussock moth family Lymantriidae, a cold-tolerant lot populated by a number of black sheep including the gypsy moth, of previous BOTW fame (gypsy moths are introduced; WmTMs are native).

2024年10月25日 · Orgyia leucostigma Smith, 1797 is a moth species in the family Erebidae that is found throughout eastern North America and is known to be extremely polyphagous. Commonly known as the white-marked tussock moth, O . leucostigma has been recorded using 166 plant species in 55 families as hosts, mostly consisting of deciduous plants, but coniferous ...