HOME

TheInfoList




''Kerriidae'' is a family of
scale insects Scale insects are small insects of the Order (biology), order Hemiptera, suborder Sternorrhyncha. Of dramatically variable appearance and extreme sexual dimorphism, they comprise the Taxonomic rank, superfamily Coccoidea. Adult females typically ...
, commonly known as lac insects or lac scales. Some members of the genera ''Metatachardia'', ''Tachardiella'', ''Austrotacharidia'', ''Afrotachardina'', ''Tachardina'', and ''Kerria'' are raised for commercial purposes, though the most commonly cultivated species is ''
Kerria lacca ''Kerria lacca'' is a species of insect in the family Kerriidae, the lac insects. These are in the superfamily scale insect, Coccoidea, the scale insects. This species is perhaps the most commercially important lac insect, being a main source of ...
''. These insects secrete a waxy
resin In polymer chemistry and materials science, resin is a solid or highly Viscosity, viscous substance of plant or synthetic origin that is typically convertible into polymers. Resins are usually mixtures of organic compounds. This article focus ...

resin
that is harvested and converted commercially into
lac Lac is the resinous secretion of a number of species of lac insects, of which the most commonly cultivated is ''Kerria lacca ''Kerria lacca'' is a species of insect in the family Kerriidae ''Kerriidae'' is a family of Coccoidea, scale insec ...

lac
and
shellac Shellac () is a resin In polymer chemistry and materials science, resin is a solid or highly Viscosity, viscous substance of plant or synthetic origin that is typically convertible into polymers. Resins are usually mixtures of organic co ...
, used in various
dye A dye is a color Color (American English) or colour (Commonwealth English) is the visual perception, visual perceptual Physical property, property corresponding in humans to the categories called ''blue'', ''green'', ''red'', etc. Colo ...
s, cosmetics, food glazes, wood finishing
varnish Varnish is a clear transparent Transparency, transparence or transparent most often refer to transparency and translucency, the physical property of allowing the transmission of light through a material. They may also refer to: Literal uses ...

varnish
es and polishes. Species include: *''
Kerria lacca ''Kerria lacca'' is a species of insect in the family Kerriidae, the lac insects. These are in the superfamily scale insect, Coccoidea, the scale insects. This species is perhaps the most commercially important lac insect, being a main source of ...
'' – true lac scale *''
Paratachardina decorella ''Paratachardina decorella'', the rosette lac scale, is a scale insect in the Kerriidae family. Kerriidae {{Coccoidea-stub ...
'' – rosette lac scale *'' Paratachardina pseudolobata'' – lobate lac scale


See also

*
Shellac Shellac () is a resin In polymer chemistry and materials science, resin is a solid or highly Viscosity, viscous substance of plant or synthetic origin that is typically convertible into polymers. Resins are usually mixtures of organic co ...
*
Lac Lac is the resinous secretion of a number of species of lac insects, of which the most commonly cultivated is ''Kerria lacca ''Kerria lacca'' is a species of insect in the family Kerriidae ''Kerriidae'' is a family of Coccoidea, scale insec ...

Lac


References

*


External links

* *
Taxonomy
Scale insects Hemiptera families Neococcoids {{Coccoidea-stub