Kusum, Ranjeeni (Khair) and Ber (Plum) trees. What does LAC stand for in Culture? lac in Tamil: அரக்கு Part of speech : Noun Definition in English : Noun : resin like substance secreted by certain lac insects; used in e.g. Gradually a thick crust of the resinous substance or lac surrounds the twig. The males are devoid of mouth parts and die soon after mating. Top LAC abbreviation related to Culture: Language and Culture Lac is used for manufacture of tailors chalks, crayons, bottle sealers, lipsticks, enamels, printing inks, gramophone records and in fireworks. வீட்டு செலவிற்கு ஒரு லட்சம் ரூபாய் தேவைபடுகிறது . Life Cycle of Lac Insects 4. The male comes out removing the operculum after three months. Alternatively the purified lac resin can be in the form of circular discs called button lac. Lac wax is used in polishes for shoe, floor, car polishes etc. Thus it gets encased in a cell of lac which gradually increases in size along with the increase in size of the insect. Paraecthrodryinus clavicornis; Erencyrtus dewitzi; Tachardiaephagus tachardiae; Eupelmus tachardiae; Tetrasticus purpurens. Multibhashi is an app to learn languages most effectively and effortlessly. : Noun : resin like substance secreted by certain lac insects; used in e.g. Disclaimer Copyright, Zoology Notes | Exclusive Notes on Zoology for Students, How to Cultivate Lac? The female lays eggs in the crust. The nymphs of lac insects are eaten up by their larvae. Hence, Lac culture is the commercial production of lac which includes regular pruning of the host plants, propagation of lac insects and the processing of the lac. Korean Meaning Tamil Meaning Notes na (나) (naneun 나는, naega 내가) I: nāṇ (நான்)/ nāṇu (நானு) nānga I: Nā நா is informal in both languages. English is one of the most widely spoken languages across the globe and a common language of choice for people from different backgrounds trying to communicate with each other. Two species of lac insects Tachardia lacca and T. chinensis are common, of which the former one is predominant in India. The nymphs settle on the branch and liberate the exudate. 47.6). The nymphs are boat-shaped, reddish in colour and possess one pair of antennae, three pairs of thoracic walking legs and a pair of caudal setae. Sometimes twigs become coated to… This involves selection and maintenance of host plants, inoculation of host plants with healthy lac insects, collection and processing of lac and protection against enemies. It grows on trees other than Kusum. About 85% of the country’s production is exported to various countries. Lac culture involves two important steps: (i) inoculation, and (ii) cropping. The raw lac thus obtained is known as scraped lac or stick lac. The huge number of Tamil speaking people cutting across countries, the birth and growth of the language, the letters, the rules, the sound variations and the origin of special characters, symbols for Tamil calendar, Tamil numbers, time, land and cultural divisions, and coinage of words have also been dealt with. The above natural enemies can be controlled by maintaining healthy cultures and by enclosing the brood lac sticks in wire mesh before inoculation so that natural enemies are not able to emerge and cause re-infestation. Other articles where Indian lac insect is discussed: homopteran: Glandular secretions: The Indian lac insect Laccifer lacca is important commercially. 1. The coated branches of the host trees are cut and harvested as sticklac. Laccifer lacca, (=Tachardia lacca) is the commercially cultured lac insect. It is used in electric insulations, lamination of papers, hat proofing and coating of pictures and fossils. India produces about 65% of the world’s total output. It is secreted by an insect, known as lac-insect In order to obtain lac, these insects are cultured and the technique is called lac-culture. Can you lend me 1 lac rupees for a month? Harvesting and Extraction 5. This is swarming (Fig. This semi-refined product, called seed lac or grainlac or Chowrie, which is further refined by a system of hot melting, filtration and stretching into thin sheets which are subsequently broken into brittle flakes called shellac. So, lac insects are cultivated and lac is collected from the host plants. … Lac culture in China probably dates back to 4000 years and they use lac for dyeing silk and leather goods. Enemies. It is mainly cultured in India and Bangladesh on the host plants such as ber, Zizyphusmauritiana, palas, Butea monosperma and kusum, Schleichera oleosa. TOS4. This secretion has great commercial value. 5. Tamil is also an official spoken language in Sri Lanka & Singapore. The abandoned old crust is called Phunki. Lac Insect belongs Laccifer of superfamily Coccoidea of order Hemiptera. This is the reason why English is the second language learned by most of the people. 5. India is the principal lac producing country of the world, producing approximately 18,000 metric tonnes of raw lac annually. Inoculated in October-November and harvested in next May-June. The insect moults twice before reaching maturity. Tamil is a very old classical language and has inscriptions from 500 B.C and plays a significant role as a language in the world today. Lac is used in the manufacture of toys, ornaments, electrical insulating materials, varnishes, polishes, lithographic inks, shoe polishes, sealing wax, etc. Thailand is next in order. Harvesting and Extraction 5. Types of Lac 3. 1. With the help of maxillae and mandibles modified for sucking, they suck cell sap from the branches of the host plant to thrive. They are nymphs and come out of the crust. The lac melts and comes out of the crust. As the lac insects remain close together, lac secretion from adjacent cells coalesces with each other and forms a continuous encrustation on the tree branch. Two moth predators cause a lot of damage to lac. Tamil language is one of the famous and ancient Dravidian languages spoken by people in Tamil Nadu and the 5th most spoken language in India.