Bug Vs. Bug: Nature's Method of Controlling Injurious Species
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In our eReader you can find the full English version of the book. Read Bug Vs. Bug: Nature's Method of Controlling Injurious Species 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 Bug Vs. Bug: Nature's Method of Controlling Injurious Species
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When about to change to the chrysalis, they hide away under cobwebs, dry leaves, and other debris. The beetle is metallic black, with a brown thorax. They feed on Aspidiotus perni- ciosus, Chrysomphalus (Aspidiotus) aurantii, Chrysomphalus (Aspidio- tus) citrinus, Aspidiotus hederae (nerii), and occasionally on aphis.
In San Diego County it is proving effective on purple scale (Lepidosa- phes beckii) . In alluding to the excellent work of this little beetle on the purple scale in the above name...d county, Mr. Allen, of Bonita, writes : With us the largest hatch of purple scale has usually been in May. So far this year I have not seen a single instance of purple scale hatching, nor can I find any live scale in an orchard adjoining us, every tree of which a year ago was literally alive with them. Since last July this orchard has been to my knowledge thoroughly stocked with the Scymnus, though when they first entered it I can not say. As they undoubtedly came in large numbers their work has been rapid.
What to read after Bug Vs. Bug: Nature's Method of Controlling Injurious Species?
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:
When about to change to the chrysalis, they hide away under cobwebs, dry leaves, and other debris. The beetle is metallic black, with a brown thorax. They feed on Aspidiotus perni- ciosus, Chrysomphalus (Aspidiotus) aurantii, Chrysomphalus (Aspidio- tus) citrinus, Aspidiotus hederae (nerii), and occasionally on aphis.
In San Diego County it is proving effective on purple scale (Lepidosa- phes beckii) . In alluding to the excellent work of this little beetle on the purple scale in the above name...d county, Mr. Allen, of Bonita, writes : With us the largest hatch of purple scale has usually been in May. So far this year I have not seen a single instance of purple scale hatching, nor can I find any live scale in an orchard adjoining us, every tree of which a year ago was literally alive with them. Since last July this orchard has been to my knowledge thoroughly stocked with the Scymnus, though when they first entered it I can not say. As they undoubtedly came in large numbers their work has been rapid.
What to read after Bug Vs. Bug: Nature's Method of Controlling Injurious Species?
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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