Found inside – Page 1-124Some common insects : Locust , life history of silk moth and honey bee . 1. ... Lac insects are Kerria lacca , Tachardia lacca and Lacifer lacca . Lac is the scarlet red resinous secretion of a number of species of lac insects, of which the most commonly cultivated species is Kerria lacca. Creatures » Cellular Organisms » Eukaryotes » Opisthokonts » Animals » Bilateria » Protostomes » Ecdysozoans » Panarthropoda » Arthropods » Pancrustacea » Hexapods » Insects » Winged Insects » Neoptera » Paraneoptera » Hemipterans » Plant Lice » Coccoidea » Lac Scales » Kerria « Two strains, i.e., kusmi and rangeeni of lac insect are bivoltine in nature at SBR. This particular single Kerria is a bit hard to find as people seem to have a preference for the double flowering varieties, but the single is really quite lovely when it blooms! LAC CULTURE •Lac is a resinous exudation from the body of female scale insect. Found inside – Page 365... to evaluate the differences in frequency of honeydew excretion between larva and adult female of short and long life cycle populations in Kerria lacca . In the true lac scale, Kerria lacca (Kerr) there are 2 or 3 generations each year. Larvae in this stage crawl along the branches of their host plants and feed on the phloem. Found inside – Page 55... 9:47 Lac Insects The lac insect Kerria lacca Kerr. (Lacciferidae: Homoptera) is ... Life Cycle The female insect lays eggs inside the encrustation. Found inside – Page 391There are two strains (biotype) of Kerria lacca, namely, rangeeni and kusmi. Each of these strains completes its life cycle twice in a year, thus, ... There was successful completion of life cycle of K. lacca on Cajanus cajan, harbouring 17.66 g yield of lac/ plant with seed yield of 27.24 g/ plant (23.54 % profit). What is Lac? Life Cycle of the Soil Saprophyte Bacillus cereus in Liquid. These moths can interfere with lac cultivation in India. K. lacca sometimes invades Indian jujube orchards and degrades the fruit crop. Lac is the resinous secretion of commercial insect known as Kerria lacca (Kerr) (Hemiptera: Tachardiidae). 5. Life cycle study of insect pest. Super-parasitisation in Indian lac insect Kerria lacca (Kerr) and its implication on fecundity and resin producing efficiency on its two strains. The place of origin, sequence of appearance and the shape of various non-resinous secretions during the entire life cycle of both male and female lac insects, have been described here. Formerly known as Imperial Council of Agricultural Research, it was established on 16 July 1929 as a registered society under the Societies Registration Act, 1860 in pursuance of the report of the Royal Commission on Agriculture. Insect Wiki is a FANDOM Lifestyle Community. "Identification of genes related to resin biosynthesis in the Indian lac insect, https://en.wikipedia.org/w/index.php?title=Kerria_lacca&oldid=1009225846, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License, This page was last edited on 27 February 2021, at 12:18. Indian lac insect, Kerria lacca (Kerr), the most im portant and widely exploited insect for lac cultivation can further be distinguished into two strains or infra sub species forms, the rangeeni and kusmi on the basis of dif ferences in life cycle, host preference and quality of lac produced. The life cycle of this scale insect proceeds with the first instar of the larval stages, which are known as "crawlers". [6], These insects, as well as many types of fungal pathogens, form an ecological web that is important to local biodiversity.[5]. [4] The dye originates in the hemolymph of the insect; the fluid analogous to blood. The life span of adult male is 2_3 days and the life span of female insect varies between 62_148 days for different crops. The life span of adult male is 2_3 days and the life span of female insect varies between 62_148 days for different crops. and not on Butea monosperma . The name Coccus lacca was given by Kerr in 1782. K. lacca sometimes invades Indian jujube orchards and degrades the fruit crop. (Depressariidae: Oditinae), and Stathmopoda venustaMeyrick, 1913 (Stathmopodidae) are, to a lesser degree, also predatory on lac . There may be as many as 1,000 eggs laid by a single female. Found inside – Page 575... Taxobox 9 Ked 150 Keiferia lycopersicella 453 Kerria lacca 5 Keystone ... 145 Lice see Psocodea Life cycle of Apis mellifera 331 of Chironomus 158 ... Found inside – Page 53... and life cycle , lac insects are further grouped into two different types of species kusumi ( Kerria nagoleinsis ) and rangeeni ( Kerria lacca ) . Kerria lacca also produces a dye and a wax as natural secretions. 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. It . Biology & Chemistry educator Demonstration Public School, MP Jan 2000 - Mar 2000 3 . The life cycle of both generations is about 6 months. It has so far been detected on 71 plant species from 23 plant families. Due to its various properties (e.g., thermoplasticity, cohesiveness, insulating ability, pH-dependent water . It is proposed that acetyl-CoA is the common precursor for the biosynthesis of aleuritic acid and . Bioecological studies on lac insect, Kerria lacca (Kerr) in Haryana. Studies on lac insect (Kerria lacca) for conservation of biodiversity in Similipal Biosphere Reserve, Odisha, India . Role of lac culture in biodiversity conservation: issues at stake and conservation strategy. The most frequently used resins in coatings formulations for wood preservation and protection include: shellac (produced by insects such as Laccifer lacca, Coccus lacca, and Kerria laccaduring infestation of some specific trees), colophony (rosin oil obtained from pines and other coniferous plants), and dammar (a hard resin obtained from . More than 900 ethnic minority households in Mường Lát District escape from poverty. The . A recent study proposes the possible biosynthetic pathway for the constituents of lac resin which identifies acetyl-CoA as a common precursor molecule and the role of prenyltransferases in the biosynthesis of sesquiterpenes along with cytochrome P450 enzyme.[13]. [12], Lac is the only commercial resin of animal origin and is a natural polymer. Kusmi and rangeeni are two strains of K. lacca and these can be distinguished on the basis of their preference to host plants on which they thrive, duration of life cycle, settlement behaviour, quality and quantity of resin it produced. Found inside – Page 1112... 419, 421 Japanese beetle, 539 description, 539 life cycle, 539–540 parasites, ... 101 Kerria lacca, 225 Keyacris scurra, 161 Kheper nigroaeneus, ... Its primary host . Each strain is specific to particular host trees, having different life cycle and produces kusmi and rengeeni differing from each other on the basis of host . Read more 2 people found this helpful 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. The per cent abundance of natural enemies of lac insect ranged from 5.38 to 50.54 per cent in Katki and 6.56 to 45.90 per cent in Baisakhi crop. 15x. An attempt has been made to study its life cycle and life span in different zones of SBR. Then left once lac mud (waste product of lac processing), which had no utilities . and not on Butea monosperma . A field trial was conducted on baisakhi production of Cajanus cajan with different population densities of lac insect during May 2018 to May 2019. To serve this purpose, a sample . Larvae in this stage crawl along the branches of their host plants and feed on the phloem. "Life cycle of lac insect, Kerria lacca kerr in similipal Biosphere Reserve"@eng. Regional Name. "Lac dye as a potential anti-neoplastic agent", "Genes Involved in the Biosynthesis of Lac Dye Constituents in Indian Lac Insect, Kerria lacca (Kerr)". From the time it replaced oil and wax finishes in the 19th century, Shellac was one of the dominant wood finishes in the western world until it was largely replaced by nitrocellulose lacquer in the 1920s and 1930s. Valid Names Results Kerria lacca (Kerr, 1782) (Kerriidae: Kerria) . Found inside – Page 387... worm completes its life cycle in: (A) 20-30 days (B) 40-50 days (C) 50-60 ... All of these Scientific name of lac insects is: (A) Kerria lacca (B) Apis ... [1] This insect is native to Asia. Unknown. Being sap-suckers, these insects inflict damage to some plants as well1. Later Chaterjee called the lac-insect as called as Tachardia lacca or Kerria Lac and finally the name Laccifera lacca was given. (Kapur, 1962; Ramani, 2005). Wild type insect possesses crimson body colour due to the presence of a complex closely resembling water-soluble polyhydroxy-anthraquinones, collectively called lac dye. From the viewpoints of rule of life-cycle, climatic conditions needed, host and eating habit, this lac insect could be identified as Kerria lacca kerria lacca Subject Category: Organism Names see more details strain Rangeeni. The ICAR has its headquarters at New Delhi. The variation of life span of male, female as well as young occurs due to temperature, host plants and strains of lac insect. Found inside – Page 43Most of Indian aphid species on conifer complete their life cycle on such ... Preliminary survey of some parasites of lac insect , Kerria lacca ( Kerr ) ... Life Cycle Comments. 35x. Life cycle (days) of lac insect, Kerria lacca (Kerr) vs. host plants (buffer zoneof SBR) Host plant Strain Crop Date of inoculation Date of settlement of larva Date of male emergence Date of larval emergence Duration of life cycle Schleichera oleosa (Kusum) Kusmi Aghani (winter) 05-09 July 25-30 July 24-29 Aug. 23-28 Jan. 202 Jethwi Its primary host plants such as kusum (Schleichera oleosa), palas (Butea monosperma) and ber (Zizyphus mauritiana) are available in peripheral and buffer zones of Similipal Biosphere Reserve (SBR). Life period was favourably reduced from 184.9 and 109.6 to 154.3 and 100.9 days, respectively for kusmi and rangeeni strains. The Kerria lacca (Kerr.) Found inside – Page 213... association analysis , Kerria lacca , India , Bihar , Ranchi 3609 . Parellipsidion pachycercum , life cycle , size distribution , seasonal variations ... It is only known commercial resin of animal origin. Thorax bears a pair of hyaline wings. Found inside – Page 384... common 263-65 casional 266-67 rare 267 lac insect ( Kerria lacca ) 230 ... of larva 109 generation 109-15 hatching of larva 108 life - cycle 109 mature ... The whole life cycle of the insect spans six months and is devoted to eating, propagating and creating lac. Host preference studies in Rangeeni strain of lac insect, Kerria lacca . The dry scaly excreta of coccids (Homoptera) on tamarisk or larch trees is the source of manna in the Sinai Desert. 33-39 2007 . Mohanta, J., Dey, D. G., and Mohanty, N. (2014). Larvae in this stage crawl along the branches of their host plants and feed on the phloem. Healthy insects on stick 2. Within a few hours of emergence from the mature female insect, crawlers 1. Between Found inside – Page 367See Lac (Kerria lacca) KHOGY brand, 236 'Kirameki', 235 Klebsiella pneumonia, 279e280 Knitted fabrics, ... See Life cycle assessment (LCA) LCI. K. lacca also produces a dye and a wax as natural secretions. [4] At least half of lac production occurs in India, where about 20,000 metric tons of raw lac are produced annually. 31 No. There are six genera of lac insects, out of which only five secrete lac but only one of them, Laccifer secretes recoverable lac. Amount of resin secreted by the insects decreased on pumpkin.

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