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Resin secreted by the female lac bug on trees is processed and sold as dry flakes. Lac is the resinous secretion of a number of species of lac insects, of which the most commonly cultivated is Kerria lacca. Cultivation begins when a farmer gets a stick that contains eggs ready to hatch and ties it to the tree to be infested. [1] .
Jun 21, 2023 · Lac is a natural resinous secreted by insects called lac insects. Lac culture definition is the scientific management and rearing of lac insects for high-quality lac to be used for commercial purposes are called lac culture.
Nov 13, 2023 · Discover the fascinating story of lac resin and the lac insects that produce it. From production to versatile uses, lac resin has a complex role across cultures, economics, and more.
Lac insect life cycle. Lac insect, Kerria lacca are placed under the order Hemiptera, superfamily Coccoidea, family Tachardiidae. They are characterized by the presence of a special type of mouth-parts, called the sucking type, intended for sucking plant juices- this is the sole mode of their feeding.
Major constituent of lac is resin (68%). Lac resin is thought to be a polyester complex of straight chain hydroxy fatty acid of C14-C18 carbon chain (e.g., Aleuritic acid, butolic acid), mono- and di-hydroxy acid.
Shellac (/ ʃəˈlæk /) [1] is a resin secreted by the female lac bug on trees in the forests of India and Thailand. Chemically, it is mainly composed of aleuritic acid, jalaric acid, shellolic acid, and other natural waxes. [2]
Lac, sticky, resinous secretion of the tiny lac insect, Laccifer lacca, which is a species of scale insect. This insect deposits lac on the twigs and young branches of several varieties of soapberry and acacia trees and particularly on the sacred fig, Ficus religiosa, in India, Thailand, Myanmar.
Nov 22, 2023 · Lac is the hardened resin secreted by the tiny lac insect which thrives on the cell sap of certain host plants. India is major lac producer country of the world and exports lac to...
Feb 29, 2020 · Lac is a natural resin secreted by Indian lac insect, Kerria lacca (Kerr), which thrives on the tender twigs of specific host trees.
Kerria lacca is a species of insect in the family Kerriidae, the lac insects. These are in the superfamily Coccoidea, the scale insects. This species is perhaps the most commercially important lac insect, being a main source of lac, a resin which can be refined into shellac and other products. [1] . This insect is native to Asia. [2] Biology.