The common Scale Insect (Coccus adonidum) is well known in hothouses and conservatories in our own country, though it is not indigenous, having been imported from abroad.
The principal varieties of kermes are the coccus quercus, the coccus polonicus, the coccus fragariae, and the coccus uva ursi.
The kermes called coccus fragariae, is found principally in Siberia, upon the root of the common strawberry.
The coccus uva ursi is twice the size of the Polish kermes, and dyes with alum a fine red.
The coccus quercus insect lives in the south of Europe upon the kermes oak.
The kermes of Poland, or coccus polonicus, is found upon the roots of the scleranthus perennis and the scleranthus annuus, in sandy soils of that country and the Ukraine.
Coccus cryptogamus, (Dalman), who found it upon the Aspen, and therefore he has named it Coccus?
The coccus of the prickly pear, in Central America, is gathered and dried to form the cochineal of the shops.
Each of these moving creatures was a white wax insect--the coccus pe-la of Westwood.
They are most frequently to be met with there, if the coccus be present; and seem to feed on its larvæ, or perhaps on its fæces.
The first is the brown turtle bug, Coccus hesperidum (Fig.
Micrococcus agilis (Ali-Cohen) is the only coccus which has flagella and active motion.
On either side of the large coccus may be seen the smaller ones, which it is supposed have contributed of their protoplasm to form a mother cell.
Coccidæ, which secrete from their bodies a waxlike substance, especially the Chinese wax insect (Coccus Sinensis) from which a large amount of the commercial Chinese wax is obtained.
Defn: A small European evergreen oak (Quercus coccifera) on which the kermes insect (Coccus ilicis) feeds.
To dye in grain, to dye of a fast color by means of the coccus or kermes grain [see Grain, n.
Grain colors, dyes made from thecoccus or kermes in sect.
Defn: Small grains or dust of cochineal or the coccus insect.
Defn: The dried bodies of the females of a scale insect (Coccus ilicis), allied to the cochineal insect, and found on several species of oak near the Mediterranean.
Mr. Riley, and expresses doubts whether or not it fed upon the insect; yet he says, "A Tyroglyphus not ordinarily predatory might regard a Coccus as suitable for gastronomic purposes.
Michael refers to it as Coccus (Mytilaspis) pomicorticis.
Cochineal is not in the same category, as it appears to be a colouring-matter pervading every cell of the tissues of the insect from which it is extracted--Coccus cacti.
Lake is produced by a species of the same genus, originally a native of India (Coccus lacca).
Since its introduction cochineal has supplanted kermes (Coccus ilicis) over the greater part of Europe.
Kermes consists of the dried bodies of a small scale insect, Coccus ilicis, found principally on the ilex oak, in the South of Europe.
Like Cochineal and Kermes, Lac is a small scale insect, Coccus lacca.
Panzer has figured a second found upon Geranium sanguineum, which from the figure appears distinct from De Geer's, under the name of Coccus dubius[449].
De Geer is the first author that notices them, and has given a description and figure of one species under the name of Coccus floccosus[448].
On the whole, the difference in mental power between an ant and a coccus is immense; yet no one has ever dreamed of placing them in distinct classes, much less in distinct kingdoms.
When the coccus is in a state for multiplying its species, when it is engaged in laying its thousands of eggs, it resembles only an excrescence of the tree.
The Coccus sinensis produces a kind of wax which is employed in China in the manufacture of candles.
Such are theCoccus cacti, the Chermes variegatus, or Oak Tree Cochineal, and the Coccus polonicus.
The Polish kermes (Coccus polonicus) was formerly used very much in Europe.
The Coccus manniparus, which lives on the shrubs (Tamarix mannifera) on Mount Sinai, causes to exude from the branches it has pierced a sort of manna.
Another species of cochineal is the Coccus polonicus, which is met with in Poland and Russia, more rarely in France, on the roots of a small plant, the Scleranthus perennis.
Osteomyelitis is of greater severity, it is believed, if due to a mixed infection with both the white and golden grape-coccus of suppuration.
In a similar way we have the pus-causing grape coccus of a golden color (staphylococcus pyogenes aureus).
It is practically a fact that wherever there is found a diffuse abscess there will be discovered the streptococcus pyogenes, which is the name of the chain coccus above mentioned.
Small grains or dust of cochineal or thecoccus insect.
This curious and uncommon production put me upon recollecting what I have heard and read concerning thecoccus vitis viniferae of Linnaeus, which, in the south of Europe, infests many vines, and is a horrid and loathsome pest.
In 1843, the orange-trees of the Azores or Western Islands were nearly entirely destroyed by the Coccus Hesperidum; and in Fayal, an island which had usually exported twelve thousand chests of oranges annually, not one was exported.
Moors, for dyeing wool and silk a rose color; and the Coccus uvae-ursi, which with alum affords a crimson dye.
A similar neglect has attended the Coccus found on the roots of the Burnet (Poterium sanguisorba, Linn.
Cochineal, the Coccus cacti, is doubtless the most valuable product for which the dyer is indebted to insects, and with the exception perhaps of indigo, the most important of dyeing materials.
Lac is the produce of an insect supposed by Amatus Lusitanus to be a kind of ant, and by others a bee, but now ascertained to be a species belonging to the Coccidae--the Coccus ficus or C.
Some French naturalists have supposed that these fils de la Vierge, as they are called in France, are composed of the cottony matter in which the eggs of the Coccus of the vine (C.
This insect is the "coccus ilicis," which feeds upon the leaves of the prickly oak in the south of Europe.
Like the "coccus cacti," it is covered with a whitish dust, and yields a tinctorial matter soluble in water and alcohol.
When the coccus first appeared in this country it is said (volume 2 page 163) that it was more injurious to crab-stocks than to the apples grafted on them.
After the discovery of America another species (Coccus cacti) was found that was more productive of dyeing qualities.
Another well known dye is Butti lac, obtained from an insect, Coccus lacca, that lives on the twigs of trees.