Books History List Of Egyptian Insects In The Collection Of The Ministry Of Agriculture (Classic Reprint)

List Of Egyptian Insects In The Collection Of The Ministry Of Agriculture (Classic Reprint).pdf

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Read online or download a free book: List Of Egyptian Insects In The Collection Of The Ministry Of Agriculture (Classic Reprint)

Pages: 64

Language: English

Publisher: Forgotten Books (24 Jun. 2016)

By: G. Storey (Author)

Book format: pdf doc docx mobi djvu epub ibooks (*An electronic version of a printed book that can be read on a computer or handheld device designed specifically for this purpose.)

Excerpt from List of Egyptian Insects in the Collection of the Ministry of Agriculture

One of the most important reasons for working up the fauna, however, is in connection with the importation of insect pests. For instance, Durrant, writing on T ineina bred from Cotton Bolls in the Bulletin of Entomological Research, August 1912, upholds the idea that the pink boll worm was imported into India from Egypt, the exact reverse of the actual fact, and the information which was then available led Dudgeon, in his article on The Pink Boll Worm in the Agricultural Journal of Egypt, 1912, to express the Opinion that it had occurred in Egypt for many years, whereas it is now fairly certain that it has been imported between 1903 and 1910. Neither of these mistakes would have been made if the Lepidoptera of the country had previously been properly worked up. If the pink boll worm had been discovered in the original consignments of Indian cotton which brought it to the country, nothing would have been done to prevent its entry if such opinions as the above were possible, whereas if the distribution and history of the pink boll worm had been known as it is now, steps might very easily have been taken to prevent the calamity that the importation of this pest has proved to be. On the other hand, if the fauna of the country is not properly known, much trouble and expense may be spent on trying to keep out of the country an insect which is a dangerous pest elsewhere, but which as a matter of fact may be already present, occurring in small numbers only, being kept under control by an unfavourable climate or other natural agents.

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