The book Miscellaneous Studies in Agriculture And Biology was written by author University of California (1868-1952) Here you can read free online of Miscellaneous Studies in Agriculture And Biology book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Miscellaneous Studies in Agriculture And Biology a good or bad book?
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— Arbutus menziesii; Stanford University, San Jose, Walnut Creek (Davidson); Sacramento (Essig) ; Stanford University, February to May, 1915; Berkeley, September, 1915: Arbutus unedo ; Redlands, February, 1917; Bosa spp. ; Walnut Creek (Davidson); Berkeley, February, 1915 (Essig). In 1910 Davidson described a species of Rhopalosiphum, which he named arhvti, from specimens taken on madrone in the vicinity of Stanford University. Since then it has been found quite commonly on madrone throughout t...he San Francisco Bay region, and once on a strawberry tree in Silva Park, Redlands. It was noticed by the author that the alate females were very scarce at all times, although the apterae and nymphs were often quite abundant. Later, when A S7N0PSIS OF THE APHIDIDAE 85 studying specimens while working up a key to the species of Rhopalo- siphum, he found tliat structurally this species was identical with Ehopalosiphum nervatum Gillette. The latter had been taken on roses in the San Francisco Bay region.
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