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The moth is the adult phase of the silk worm's life cycle. Silk moths have a wingspan of 3–5 cm (1.2–2.0 in) and a white, hairy body. Females are about two to three times bulkier than males (due to carrying many eggs). All adult Bombycidae moths have reduced mouthparts and do not feed.
The silkworm spins approximately one mile of filament and completely encloses itself in a cocoon in about two or three days. The amount of usable quality silk in each cocoon is small. As a result, about 2,500 silkworms are required to produce a pound of raw silk. [12] The intact cocoons are boiled, killing the silkworm pupa.
Silkworms produce silk when undergoing larval to adult metamorphosis.; Raspy crickets produce silk to form nests.; Honeybee and bumblebee larvae produce silk to strengthen the wax cells in which they pupate.
Bombyx horsfieldi (Moore, 1860); Bombyx huttoni Westwood, 1847; Bombyx incomposita van Eecke, 1929; Bombyx lemeepauli Lemée, 1950; Bombyx mandarina (Moore, 1872) – wild silk moth ...
Callosamia promethea, commonly known as the promethea silkmoth, is a member of the family Saturniidae, which contains approximately 2,300 species. [2] It is also known as the spicebush silkmoth, which refers to one of the promethea silkmoth's common host plants, spicebush (Lindera benzoin).
The Bombycidae are a family of moths known as silkworm moths. The best-known species is Bombyx mori ( Linnaeus ), or domestic silk moth, native to northern China and domesticated for millennia. Another well-known species is Bombyx mandarina , also native to Asia.
Bombycoidea is a superfamily of moths, including the silk moths, giant silk moths, sphinx moths, saturniids, and relatives.The superfamily Lasiocampoidea is a close relative and was historically sometimes merged in this group.
The term is most often applied to insects, and is particularly in use in sericulture, where silkworm varieties vary in their voltinism. Univoltine (monovoltine) – (adjective) referring to organisms having one brood or generation per year; Bivoltine (divoltine) – (adjective) referring to organisms having two broods or generations per year