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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]
The word lac is derived from the Sanskrit word lākshā '(लाक्षा) representing the number 100 thousand, which was used for both the lac insect (because of their enormous number) and the scarlet resinous secretion it produces that was used as wood finish, lacquerware, skin cosmetic, ornaments and dye for wool and silk in ancient India and neighbouring areas.
Kerriidae is a family of scale insects, 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.
These glands occur on leaf parts modified as insect-trapping structures. In the sundews ( Drosera ) the traps bear stalked glands, called tentacles. When an insect lights on the leaf, the tentacles bend down and cover the victim with a mucilaginous secretion, the enzymes of which digest the insect. See insectivorous plants.
The exact reason behind site choice is unknown, but once found the female bends her abdomen to establish contact between her ovipositor and the plant tissue. [3] The ovipositor is then inserted into the plant tissue and the eggs are deposited, below the epidermis and parenchymatous tissue of the plant, via abdominal contractions. [ 3 ]
Fulgora laternaria can reach a length of 85–90 millimetres (3.3–3.5 in), with a wingspan up to 100–150 millimetres (3.9–5.9 in). This insect has a protuberance at its head as long as 10–15 millimetres (0.39–0.59 in), looking like a peanut and showing false eyes to resemble that of a lizard or a serpent.
The U.S. Agriculture Department found dozens of violations at a Boar's Head plant in Virginia — including insects, ... Also reported on the same day were "7 ladybugs, 1 beetle like insect, and 1 ...
Symptoms caused by their feeding on a plant include twisted and curled leaves, yellowed foliage, poor plant growth, low plant vigor, and branch dieback. [ citation needed ] The woolly apple aphid, Eriosoma lanigerum is a widespread pest of fruit trees, feeding principally on apple, but also, pears, hawthorn, ash, alders, elms and oaks. [1]