School Entomology; An Elementary Textbook of Entomology for Secondary Schools And Agricultural Short Courses
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In our eReader you can find the full English version of the book. Read School Entomology; An Elementary Textbook of Entomology for Secondary Schools And Agricultural Short Courses Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book School Entomology; An Elementary Textbook of Entomology for Secondary Schools And Agricultural Short Courses
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In some parts of the coun- try w^here there are large swamp areas, as along the Gulf Coast, in Louisiana and Texas, these flies appear in such numbers as to make it impossible to keep cattle at certain seasons.
Nets or light covers and ear-nets will be appreciated by 202 SCHOOL ENTOMOLOGY horses where these flies are abundant. Various repulsive ointments have been suggested, but are of doubtful value.
In sections where the flies are particularly troublesome, the draining of marshy lands may rem...ove their breeding places as well as those of mosquitoes.
123. The Sheep Tick.* The sheep tick is one of the best- known pests of the sheep. It is not really a tick, but a wing- less fly. It is about one-fourth of an inch long when grown, and of a reddish-brown color.
The head is small and sunken into the thorax. The middle of the thorax is rather slender and the abdomen is broad. This species is distributed over the world and lives only on sheep. These insects are peculiar in that the eggs hatch and the larvae develop within the body of the female, which gives birth to pupae, from which the adults soon emerge.
What to read after School Entomology; An Elementary Textbook of Entomology for Secondary Schools And Agricultural Short Courses?
You can find similar books in the "Read Also" column, or choose other free books by Sanderson, Dwight, 1878-1944 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In some parts of the coun- try w^here there are large swamp areas, as along the Gulf Coast, in Louisiana and Texas, these flies appear in such numbers as to make it impossible to keep cattle at certain seasons.
Nets or light covers and ear-nets will be appreciated by 202 SCHOOL ENTOMOLOGY horses where these flies are abundant. Various repulsive ointments have been suggested, but are of doubtful value.
In sections where the flies are particularly troublesome, the draining of marshy lands may rem...ove their breeding places as well as those of mosquitoes.
123. The Sheep Tick.* The sheep tick is one of the best- known pests of the sheep. It is not really a tick, but a wing- less fly. It is about one-fourth of an inch long when grown, and of a reddish-brown color.
The head is small and sunken into the thorax. The middle of the thorax is rather slender and the abdomen is broad. This species is distributed over the world and lives only on sheep. These insects are peculiar in that the eggs hatch and the larvae develop within the body of the female, which gives birth to pupae, from which the adults soon emerge.
What to read after School Entomology; An Elementary Textbook of Entomology for Secondary Schools And Agricultural Short Courses?
You can find similar books in the "Read Also" column, or choose other free books by Sanderson, Dwight, 1878-1944 to read onlineMoreLess
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