Spider mites or tetranychus urticae, Tetranychidae on the underside of nettle leaves.
RF2HP5DRCSpider mites or tetranychus urticae, Tetranychidae on the underside of nettle leaves.
Biological pest control by beneficial, predatory mites or ichneumon wasps, against e.g. spider mites or aphids, strawberry cultivation in a greenhouse
RM2FJX36EBiological pest control by beneficial, predatory mites or ichneumon wasps, against e.g. spider mites or aphids, strawberry cultivation in a greenhouse
Tomatoes growing with Bioline Natural Predatory insects protection
RMKJX0HTTomatoes growing with Bioline Natural Predatory insects protection
A biological insect hotel for bees, wasps, bugs, mites and spins in Drebkau, Germany.
RFC958B0A biological insect hotel for bees, wasps, bugs, mites and spins in Drebkau, Germany.
Marijuana plants are sprayed regularly with organic oils to prevent pests and mold.
RF2DG1AJKMarijuana plants are sprayed regularly with organic oils to prevent pests and mold.
. Economic entomology. Beneficial insects; Insect pests; Thysanura. WATER MITES, 147 CASE X. Family HYDRACHNID^ (Fresh Water Mites). These, as already said, are merely Trombidii modified to suit the different element in which they live, and with other variations that might be expected from such-a modification. They have the same predominance of bright colour, scarlet and various shades of red preponderating some of them have the same finger and thumb termination of the palpi, although others have it either entirely absent, or nearly so ; but almost all have the last joint hooked so as to serve
RMRDXW8X. Economic entomology. Beneficial insects; Insect pests; Thysanura. WATER MITES, 147 CASE X. Family HYDRACHNID^ (Fresh Water Mites). These, as already said, are merely Trombidii modified to suit the different element in which they live, and with other variations that might be expected from such-a modification. They have the same predominance of bright colour, scarlet and various shades of red preponderating some of them have the same finger and thumb termination of the palpi, although others have it either entirely absent, or nearly so ; but almost all have the last joint hooked so as to serve
Biological pest control by beneficial, predatory mites or ichneumon wasps, against e.g. spider mites or aphids, strawberry cultivation in a greenhouse
RM2FJX36HBiological pest control by beneficial, predatory mites or ichneumon wasps, against e.g. spider mites or aphids, strawberry cultivation in a greenhouse
. Economic entomology. Beneficial insects; Insect pests; Thysanura. 96 ARACHNOIDEA. CASE The types of this group are the red spider of our hot-houses, and the harvest mites of our fields. These form two distinct sections; the former consisting only of vegetable feeders, while there is little doubt that the latter are predacious and carnivorous. One would naturally expect from this that they should be easily distinguished from each other, and so for the most part they are, so far as general facies goes, the former being very minute semi- transparent, and not what is called very loud in their co
RMRDYMPX. Economic entomology. Beneficial insects; Insect pests; Thysanura. 96 ARACHNOIDEA. CASE The types of this group are the red spider of our hot-houses, and the harvest mites of our fields. These form two distinct sections; the former consisting only of vegetable feeders, while there is little doubt that the latter are predacious and carnivorous. One would naturally expect from this that they should be easily distinguished from each other, and so for the most part they are, so far as general facies goes, the former being very minute semi- transparent, and not what is called very loud in their co
. Economic entomology. Beneficial insects; Insect pests; Thysanura. 340 ARACHNOIDEA. CASE XVI. in them. We have never seen them in the mite of the hme-leaf nail-gall, because we have never been lucky enough to detect mites there at all; but, in other Phytopti, they are easily enough seen, and the impression left on our mind is in favour of their being eggs. It is not so with all observers, however, and notably it is opposed to the views of the author, M. A. Scheuten, who makes the next important contribution to the history of the Phytopti, and which if correct should settle the question of the
RMRDYEMP. Economic entomology. Beneficial insects; Insect pests; Thysanura. 340 ARACHNOIDEA. CASE XVI. in them. We have never seen them in the mite of the hme-leaf nail-gall, because we have never been lucky enough to detect mites there at all; but, in other Phytopti, they are easily enough seen, and the impression left on our mind is in favour of their being eggs. It is not so with all observers, however, and notably it is opposed to the views of the author, M. A. Scheuten, who makes the next important contribution to the history of the Phytopti, and which if correct should settle the question of the
. Economic entomology. Beneficial insects; Insect pests; Thysanura. 326 ARACHNOIDEA. CASE mites, and has much of their appearance, although also much of XV. ' that of the foregoing mouse-mites. Nos. Myocoptes IMUSCULINUS (Pediculus muris nmsculi, Schrank. ; Dermaleichu& '^' ^7' musculinus, Koch).—16. Magnified sketch of male and female insects. 17. Ditto of female. Both copied from Claparede's figures.. 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 perfect
RMRDYENR. Economic entomology. Beneficial insects; Insect pests; Thysanura. 326 ARACHNOIDEA. CASE mites, and has much of their appearance, although also much of XV. ' that of the foregoing mouse-mites. Nos. Myocoptes IMUSCULINUS (Pediculus muris nmsculi, Schrank. ; Dermaleichu& '^' ^7' musculinus, Koch).—16. Magnified sketch of male and female insects. 17. Ditto of female. Both copied from Claparede's figures.. 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 perfect
. Economic entomology. Beneficial insects; Insect pests; Thysanura. HARVEST MITES. 133 CASE supposed them to be distinct species, and copied them, perhaps unconsciously exaggerating the differences. Our beHef is that there is only one species, and that Duges's figure is the correct representation of it, although it is possible that a slight difference in the degree of silkiness of the legs may occasionally occur, which would give them a thicker appearance. We do not apologise for wasting time over this point. Our explanation may save time to many who might otherwise, like ourselves, have spent
RMRDXW9J. Economic entomology. Beneficial insects; Insect pests; Thysanura. HARVEST MITES. 133 CASE supposed them to be distinct species, and copied them, perhaps unconsciously exaggerating the differences. Our beHef is that there is only one species, and that Duges's figure is the correct representation of it, although it is possible that a slight difference in the degree of silkiness of the legs may occasionally occur, which would give them a thicker appearance. We do not apologise for wasting time over this point. Our explanation may save time to many who might otherwise, like ourselves, have spent
. Economic entomology. Beneficial insects; Insect pests; Thysanura. 170 ARACHNOIDEA. CASE inhabitants, and they sosLietimes migrate from the birds to the per- sons of those who have charge of them, and occasion them much annoyance. Alt (a German observer) saw these mites, or a mite which he supposed to be of the* same species, upon the neck and. 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 work.. Murray, Andrew, 1812-1878. [Lon
RMRDXW7D. Economic entomology. Beneficial insects; Insect pests; Thysanura. 170 ARACHNOIDEA. CASE inhabitants, and they sosLietimes migrate from the birds to the per- sons of those who have charge of them, and occasion them much annoyance. Alt (a German observer) saw these mites, or a mite which he supposed to be of the* same species, upon the neck and. 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 work.. Murray, Andrew, 1812-1878. [Lon
. Economic entomology. Beneficial insects; Insect pests; Thysanura. 166 ARACHNOIDEA. CASE some peculiarities of structure in those that have deviated into an aquatic mode of Hfe, and still more when the aquatic mode of life is marine. No other insects have ever been found inhabiting the sea; certain beetles indeed live under high-water mark, but they are no more sea-beetles than divers are sea-men. Both are terrestrial, and their existence under the sea is exceptional, and provided for in both by special contrivances for breathing. Some mites that have of late years been described as found in
RMRDXW7J. Economic entomology. Beneficial insects; Insect pests; Thysanura. 166 ARACHNOIDEA. CASE some peculiarities of structure in those that have deviated into an aquatic mode of Hfe, and still more when the aquatic mode of life is marine. No other insects have ever been found inhabiting the sea; certain beetles indeed live under high-water mark, but they are no more sea-beetles than divers are sea-men. Both are terrestrial, and their existence under the sea is exceptional, and provided for in both by special contrivances for breathing. Some mites that have of late years been described as found in