What is Tachardia Lacca?
Tachardia Lacca ( also called Laccifer lacca) is commercially cultured lac insect. It is mainly cultured in India and Bangladesh. Female insect is viviparous, producing about 1000 nymphs, deep red in colour with black eyes. The larvae start secreting lac all around the body.
What is produced by Laccifer lacca?
importance in India
…are silkworms, bees, and the lac insect (Laccifer lacca). The latter secretes a sticky, resinous material called lac, from which shellac and a red dye are produced.
Which type of parasite is Laccifer lacca?
Laccifer lacca is the commercially cultured lac insect. It is mainly cultured in India and Bangladesh on the host plants such as ber (Zizyphus mauritiana), palas (Butea monosperma) and kusum (Schleichera oleosa). The lac insects live as a parasites, feeding on the sap of these trees and shrubs.
What is lac culture PPT?
LAC CULTIVATION • Lac culture involves three important steps: (i) Inoculation, (ii) Swarming (iii) Harvesting. 24. Inoculation of host trees :- The method by which the lac insects are introduced to the new lac host plant is known as inoculation. 1.
What is the use of Laccifer?
Laccifer lacca is used in the conditions of injuries, fungal infections, eczema, scabies and herpes. Internal uses include treatment of diarrhea, dysentery, intestinal parasites (worms), internal bleeding disorders, hiccup and cough. In Unani, Lac is considered tonic for liver, stomach and intestine.
What is Laccifer?
Definition of Laccifer
: a genus (the type of the family Lacciferidae) that comprises the commercially important lac insects.
What is the use of Laccifer lacca?
Is Laccifer economically beneficial?
Answers. Answer-(1) Apis(Honey Bee), Bombyx(Silk worm), and Laccifer(Lac insect) are Economical important insects and is belong to the phylum Arthopoda.
What is the economic importance of Laccifer?
Lac is commonly used in making the ink that is used in printers. > Lac is mostly used as insulating material. Note: Lac is obtained and commonly extracted from the Indian lac insect Laccifer (Tachardia lacca).
What are the types of lac?
Depending on the host plant, lac is of two types: Kusumi Lac: insects are reared on Kusum plants, and lac is harvested from these plants. Ranjeeni Lac: when the lac insects are reared on non-Kusum plants, the lac is known as Ranjeeni lac.
What is lac used for?
Lac is used in ammunition, airplanes, furniture polish and perfumes, and in making bangles, imitation fruits and flowers. The scientists’ motive was to give lac farmers a host plant that grows faster and reduces tree-based farming. Ninety per cent of lac is produced on palash, ber and kusum trees.
What is the use of Laccifer Lacca?
What is lacca?
noun. lacquer [noun] a type of varnish. lacquer [noun] a sticky liquid sprayed on the hair to keep it in place.
What is Laccifer used for?
The Indian lac (Laccifer lacca), a South Asian scale insect, secretes a resin material onto trees that can be used as shellac, an important ingredient in various inks, paints, sealants, and varnishes.
What are 5 reasons insects are beneficial and important to the environment?
Insects create the biological foundation for all terrestrial ecosystems. They cycle nutrients, pollinate plants, disperse seeds, maintain soil structure and fertility, control populations of other organisms, and provide a major food source for other taxa.
Who was the father of lac culture?
Scientific study of lac started much later. In 1709 Father Tachard discovered the insect that produced lac. First of all Kerr (1782) gave the name Coccus lacca which was also agreed by Ratzeburi (1833) and Carter (1861). Later Green (1922) and Chatterjee (1915) called the ac- insect as Tachardia lacca (kerr).
How many types of lac are there?
What is lac made of?
Lac is the resinous secretion of a number of species of lac insects, of which the most commonly cultivated is Kerria lacca.
What are the 10 characteristics of insects?
Characteristics of Insects
Insects have jointed appendages as arthropods (arthropod means “jointed foot”), an exoskeleton (hard, external cover), segmented body, ventral nervous system, digestive system, open circulatory system, and advanced sensory receptors.
What is the most useful insect?
Below is our list of the helpful insects that provide the most assistance for (and beneficial to) humans.
- Bees. Topping our list of helpful insects are bees.
- Mantis. The Praying Mantis is well known for its unique appearance and stance.
- Ladybugs.
- Dragonflies.
- Butterflies.
- Lacewings.
Which state is first in lac culture?
Chhattisgarh ranks 1st among the states followed by Jharkhand , Madhya Pradesh Maharashtra and West Bengal. These five states contribute around 95 % of the national lac production.
What are the 7 orders of insects?
Insect Orders
- Collembola.
- Coleoptera.
- Dermaptera.
- Diptera.
- Ephemeroptera.
- Hemiptera.
- Homoptera.
- Hymenoptera.
What is the classification of an insect?
Insects (from Latin insectum) are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum.
Which is the harmful insect?
Mosquito. The common mosquito is often considered the most dangerous insect because it can transmit diseases like West Nile and (more commonly) malaria to its victims. Each year, this pest kills one million people around the world.
Which insect is useful to farmers?
One such helpful insect is the ladybug. Farmers release ladybugs on their crops (or grow plants that naturally attract ladybugs), and these insects eat devastating pests like ants, aphids, mites, and flies.