Results 111 to 120 of about 1,142 (154)
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1913
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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1921
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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1992
The saddle gall midge (Haplodiplosis marginata (von Roser)) is associated with frequent cereal growing on heavy land. It is widely distributed in most European at Alford, Lincolnshire, in 1889. Sub-economic levels are now common throughout the Midlands and in eastern England from Yorkshire to Kent.
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The saddle gall midge (Haplodiplosis marginata (von Roser)) is associated with frequent cereal growing on heavy land. It is widely distributed in most European at Alford, Lincolnshire, in 1889. Sub-economic levels are now common throughout the Midlands and in eastern England from Yorkshire to Kent.
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1917
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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2016
Many of the white umbels of wild carrot (Daucus carota, Apiaceae), also known as Queen Anne’s Lace, are decorated by a group of modified flowers in their center. The modified flowers are very dark, ranging when mature from very dark purple to black (Fig. 62.1). Another member of the family, Artedia squamata also has such dark central flowers (Fig. 62.2)
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Many of the white umbels of wild carrot (Daucus carota, Apiaceae), also known as Queen Anne’s Lace, are decorated by a group of modified flowers in their center. The modified flowers are very dark, ranging when mature from very dark purple to black (Fig. 62.1). Another member of the family, Artedia squamata also has such dark central flowers (Fig. 62.2)
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1992
The chrysanthemum gall midge (Rhopalomyia chrysanthemi (Ahlberg)) was first noticed in 1915 in North America as a serious pest of glasshouse chrysanthemum. The first two outbreaks in England were in 1927 and 1936, and were traced to chrysanthemums imported from the United States.
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The chrysanthemum gall midge (Rhopalomyia chrysanthemi (Ahlberg)) was first noticed in 1915 in North America as a serious pest of glasshouse chrysanthemum. The first two outbreaks in England were in 1927 and 1936, and were traced to chrysanthemums imported from the United States.
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1917
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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1916
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(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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1921
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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1915
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