The Pear Thrips (Euthrips Pyri)
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In our eReader you can find the full English version of the book. Read The Pear Thrips (Euthrips Pyri) 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 The Pear Thrips (Euthrips Pyri)
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The manner in which thrips attack trees is, generally speaking, much the same. They arrive just before or while the buds are opening, and enter the bud, if possible, otherwise they begin to feed on the tip and eventually work their way in. When once inside they attack the tenderest of the flower parts and in many cases reveal a rather fastidious taste, preferring some particular part, such as the stamen, petal, or pistil.
The mouth parts of thrips project from the fig. 2. Month parts of Thrips,... . . , , , , ■ , , greatly enlarged, lower posterior side 01 the head and have some- (Original.) what the shape of an inverted cone (Fig. 2).
The mouth opening, the rim of which is strongly chitinized and rough- ened, rasp-like, is in the smaller distal end of the cone, and through it project two stylets or needles. The insect, when feeding, first pierces the plant tissue with the stylets, thus making an opening; then moving the mouth-cone back and forth it rasps and tears the opening larger, and, pushing the tip of the mouth-cone down into this puncture, sucks in the juices of the plant.
What to read after The Pear Thrips (Euthrips Pyri)?
You can find similar books in the "Read Also" column, or choose other free books by California State Commission of Horticulture to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The manner in which thrips attack trees is, generally speaking, much the same. They arrive just before or while the buds are opening, and enter the bud, if possible, otherwise they begin to feed on the tip and eventually work their way in. When once inside they attack the tenderest of the flower parts and in many cases reveal a rather fastidious taste, preferring some particular part, such as the stamen, petal, or pistil.
The mouth parts of thrips project from the fig. 2. Month parts of Thrips,... . . , , , , ■ , , greatly enlarged, lower posterior side 01 the head and have some- (Original.) what the shape of an inverted cone (Fig. 2).
The mouth opening, the rim of which is strongly chitinized and rough- ened, rasp-like, is in the smaller distal end of the cone, and through it project two stylets or needles. The insect, when feeding, first pierces the plant tissue with the stylets, thus making an opening; then moving the mouth-cone back and forth it rasps and tears the opening larger, and, pushing the tip of the mouth-cone down into this puncture, sucks in the juices of the plant.
What to read after The Pear Thrips (Euthrips Pyri)?
You can find similar books in the "Read Also" column, or choose other free books by California State Commission of Horticulture to read onlineMoreLess
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