Orgyia
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''Orgyia'' is a genus of
tussock moth The Lymantriinae (formerly called the Lymantriidae) are a subfamily of moths of the family Erebidae. The taxon was erected by George Hampson in 1893. Many of its component species are referred to as "tussock moths" of one sort or another. The ca ...
s of the family
Erebidae The Erebidae are a family (biology), family of moths in the superfamily Noctuoidea. The family is among the largest families of moths by species count and contains a wide variety of well-known macromoth groups. The family includes the underwin ...
. The genus was described by Ochsenheimer in 1810. The species are
cosmopolitan Cosmopolitan may refer to: Internationalism * World citizen, one who eschews traditional geopolitical divisions derived from national citizenship * Cosmopolitanism, the idea that all of humanity belongs to a single moral community * Cosmopolitan ...
, except for the
Neotropical realm The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropics, tropical Ecoregion#Terrestrial, terrestrial ecoregions of the Americas and the entire South American temperat ...
.


Description

The male flies during the day. Its palpi are short, porrect (extending forward), and heavily fringed with hair. The antennae have long branches and long spines at the extremities. The legs are heavily hairy. The abdomen has a dorsal tuft on its second segment. The
forewing Insect wings are adult outgrowths of the insect exoskeleton that enable insects to fly. They are found on the second and third thoracic segments (the mesothorax and metathorax), and the two pairs are often referred to as the forewings and hindwi ...
has vein 9 arising from vein 10 and anastomosing with vein 8 to form an areole. The hindwing has veins 3 and 4 from angle of cell, vein 5 from just above angle, and vein 6 and 7 stalked. In the female, the palpi and legs are less hairy. The antennae are serrate. The wings are aborted, scale-like and covered with hair. The abdomen is covered with hair and immensely dilated when full of
eggs An egg is an organic vessel in which an embryo begins to develop. Egg, EGG or eggs may also refer to: Biology * Egg cell, the female reproductive cell (gamete) in oogamous organisms Food * Eggs as food Places * Egg, Austria * Egg, Switzerland ...
.


Species

*'' Orgyia albofasciata'' (Schintlmeister, 1994) *'' Orgyia amphideta'' (Turner, 1902) *''
Orgyia antiqua ''Orgyia antiqua'', the rusty tussock moth or vapourer, is a moth in the family Erebidae. Distribution and status ''O. antiqua'' is native to Europe, but now has a transcontinental distribution in the Palaearctic and the Nearctic regions. The ...
'' (Linnaeus, 1758) – rusty tussock moth, vapourer moth *'' Orgyia araea'' (Collenette, 1932) *'' Orgyia ariadne'' (Schintlmeister, 1994) *'' Orgyia australis'' Walker, 1855 *'' Orgyia basinigra'' (Heylaerts, 1892) *'' Orgyia cana'' H. Edwards, 1881 *'' Orgyia chionitis'' (Turner, 1902) *'' Orgyia definita'' Packard,
865 __NOTOC__ Year 865 ( DCCCLXV) was a common year starting on Monday of the Julian calendar. Events By place Europe * King Louis the German divides the East Frankish Kingdom among his three sons. Carloman receives Bavaria (with more l ...
/small> – definite tussock moth *'' Orgyia detrita'' Guérin-Méneville,
832 __NOTOC__ Year 832 ( DCCCXXXII) was a leap year starting on Monday of the Julian calendar, the 832nd year of the Common Era (CE) and ''Anno Domini'' (AD) designations, the 832nd year of the 1st millennium, the 32nd year of the 9th century, and ...
/small> – fir tussock moth *'' Orgyia dewara'' Swinhoe, 1903 *'' Orgyia falcata'' Schaus, 1896 *'' Orgyia fulviceps'' (Walker, 1855) *'' Orgyia leptotypa'' (Turner, 1904) *''
Orgyia leucostigma ''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 ...
'' (Smith, 1797) – white-marked tussock moth *'' Orgyia leuschneri'' Riotte, 1972 *'' Orgyia magna'' Ferguson, 1978 *'' Orgyia osseana'' Walker, 1862 *'' Orgyia papuana'' Riotte, 1976 *'' Orgyia pelodes'' (Lower, 1893) *'' Orgyia postica'' (Walker, 1855) *'' Orgyia pseudotsugata'' (McDunnough, 1921) – Douglas-fir tussock moth *'' Orgyia semiochrea'' (Herrich-Schäffer,
855 __NOTOC__ Year 855 (Roman numerals, DCCCLV) was a common year starting on Tuesday of the Julian calendar. Events By place Byzantine Empire * November 20 – Theoktistos, co-regent of the Empire on behalf of 15-year old Emperor Mi ...
*'' Orgyia thyellina'' Butler, 1881 *'' Orgyia vetusta'' Boisduval, 1852 – western tussock moth *'' Orgyia viridescens'' (Walker, 1855)


References

Lymantriinae Noctuoidea genera {{Lymantriinae-stub