. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. 806 CURRANT. the branches at ground level, so as to get out all harbour for the mites ; but the matter is very difficult to meet, and as in the experiments on the Phytoptm of the Orange in Florida, the best results given wei'e those of treatment with whale-oil so
. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. 806 CURRANT. the branches at ground level, so as to get out all harbour for the mites ; but the matter is very difficult to meet, and as in the experiments on the Phytoptm of the Orange in Florida, the best results given wei'e those of treatment with whale-oil soap, it rnay be hoped that thorough application of Mr. Arthur Ball's recipe above given, of soft-soap with 8ul])hur, might be of service. White Woolly C^ 'cicale. Pulvinana ribesia, Pulvinaria ribesia:: 1, female and woolly egg-eac, mag. (nat. size given at p. 308); la, female Scale, mag., with line giving nat. length; 2, larva, mag. The accompanying sketch (see p. 308) is taken from a photograph f a Currant-bough infested by the White Woolly Currant Scale, the Pulvinaria ribesia, Signoret, a kind of attack which is known in France, but which, although we now find that it has been present at various places in England and Scotland during the last few years, has not been scienti- fically identified and recorded as present in Britain until June, 1889. On June 18th, specimens of the attack were sent me from the garden of Mr. George Parkin (by whom they were first observed at Wakefield), by Mr. S. L. Mosley, of Beaumont Park, Huddersfield, with a note that it evidently " seemed at home where it was established, and that the Bed Currant bushes were terribly affected by it"; and he drew my atten- tion to the very great number of eggs in the cottony matter surrounding the Scale. The specimens were submitted by Mr. S. L. Mosley to Mr. J. W. Douglas, of 8, Beaufort Gardens, Lewisham, , for authoritative identification, who reported on them as fol- lows:— "T
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectentomology, bookyear1
