Question

Which is correct for lac insect:1)microscopic resinous crawling scale insect, 2) inserts it's proboscis into plant tissue, suck juices and grows, 3) secretes lac from hind end of the body, 4) the male lac insect is responsible for large scale production of lac

Answer 1

Lac insect insert it's proboscis into plant tissue to suck phloem sap to grow. Lac insect larva known as crawlers pierce the branches of plant to reach up to phloem and cover the holes with their wax secretions. Lac is made up of hydroxy fatty acids mainly aleuritic acid and hydroxy sesquiterpenic acid.