. Economic entomology. Beneficial insects; Insect pests; Thysanura. 332 ARACHNQIDEA CASE that these species of Erineum, in almost every case, are growths or products caused by some species of the small mite which we have now under consideration; a mite so small and some- times so crystalline and transparent (as in the Phytoptus of the ash for example) that it cannot be seen in the gall at all, and it is only by washing out the galls and searching for them in the water in which they have been washed that it can be known that. Please note that these images are extracted from scanned page images
. Economic entomology. Beneficial insects; Insect pests; Thysanura. 332 ARACHNQIDEA CASE that these species of Erineum, in almost every case, are growths or products caused by some species of the small mite which we have now under consideration; a mite so small and some- times so crystalline and transparent (as in the Phytoptus of the ash for example) that it cannot be seen in the gall at all, and it is only by washing out the galls and searching for them in the water in which they have been washed that it can be known that. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Murray, Andrew, 1812-1878. [London] Chapman and Hall
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Keywords: ., bookcentury1800, bookdecade1870, bookpublisherlondonchapmanandha