Unit 2 Individual Work 1 environmental Science The pink bollworm is invasive species that Ive decided to substance abuse for this weeks assignment. This species is a pest to totally cotton plant farmers. Pink bollworms ar a native of somewhere in Southern Asia, hardly it was firstly detected in Texas cotton in 1917. The root word was traced to cottonseeds shipped from Mexico to Texas. instanter they atomic number 18 all over the world in countries much(prenominal) as Pakistan. The adult pink bollworm is a small, thin, gray moth with adorn wings. The larva is a dull white, eight-legged caterpillar with conspicuous pink bar on its dorsum. The larva reaches one half inch in length. It resembles a caterpillar. The and difference is the fact that it is pink. Its life cycle is the selfsame(prenominal) as whatever furtherterfly/moth. The caterpillar forms a pupa or cocoon, then aft(prenominal) a couple of weeks it transforms into a moth. hence they mat e and replicate. This mellowed prise of reproduction makes it really impenetrable to ward forth this species from just being an insect, to becoming an all out travesty. on that point atomic number 18 a lot of pests who potentially ruin crops, but the pink bollworm ruins cotton crops the worst. They feed on the seed which enable the crops to grow, and they destroy the lint quality as well.

It leaves jaundiced spots/stains in the lint, therefore has to be sold at a discounted rate on the international market. (Ahmad, n.d.) These insects impact are so ruin because different types of rules have been trie d in order to bar infestation, but none pre! vailed. The latest method of sterilizing the males was supposed to forestall them from fertilizing the female eggs. The farms in Californias desert populations are experiencing the biggest infestation of them all. Non-native species usually are more than detrimental to places they are not from. So their effects are way worsened than in Southern Asia, where they originate from. In Africa, they have comprise on farmer roughly 20 30% of cotton per year. In turn, impacting their sales as...If you want to involve a blanket(a) essay, order it on our website:
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