Willughby, Ray and others in the late 17th century to include the active larvae of beetles, as well as bugs, lice, fleas and other insects with undeveloped wings.
The book-lice are familiar wingless insects, often found in houses running about among old papers and neglected biological collections.
Lice-eating is a widely prevalent habit among the Indians and mestizos, and demonstrates how numerous these parasites are among the people.
- Many ants feed largely and some almost entirely on the saccharine secretions of other insects, the best known of which are the Aphides (plant-lice or " green-fly ").
5-7), but they fail to bring forth lice (viii.
Flies, lice, gadflies and mosquitoes are the worst of the insect plagues.
Wingless insects, such as spring-tails and lice, make their appearance in the form of miniature adults.
Many wingless insects - such as lice, fleas and certain earwigs and cockroaches - are placed in various orders together with winged insects to which they show evident relationships.
Aristotle explicitly taught abiogenesis, and laid it down as an observed fact that some animals spring from putrid matter, that plant lice arise from the dew which falls on plants, that fleas are developed from putrid matter, and so forth.
Like the perfect insects, they are predaceous, feeding on plant-lice (Aphidae) and scale insects (Coccidae).
Includes the family of the Lice (Pediculidae), often reckoned as Hemiptera (q.v.).
Lus), a term applied to small wingless insects, parasitic upon birds and mammals, and belonging strictly speaking to the order Anoplura, often included among the Hemiptera, though the term is frequently extended to the bird-lice constituting the suborder Mallophaga, formerly included among the Neuroptera.
The true lice (or Anoplura) are found on the bodies of many Mammalia, and occasion by their presence intolerable irritation.
The term "biting-lice" is sometimes given to these parasites, in allusion to the mandibulate character of their mouth-parts, which serves to distinguish them at once from the true lice of the order Rhynchota in which the jaws are haustellate.
The arrangement of the jaws is remarkably constant throughout the order, if we exclude from it the lice (Anoplura).
The Anoplura or lice should not be included among the Hemiptera, but it has been thought convenient to refer briefly to them at the close of this article.
Each foot is provided with a single strong claw which, opposed to a process on the shin, serves to grasp a hair of the host, all the lice being parasites on different mammals.
C, yov, leaf, and rjpos, dry), a genus of insects belonging to the family of Aphidae, or Plant-lice, in the Homopterous section of the order Hemiptera.
CUCKOO-SPIT, a frothy secretion found upon plants, and produced by the immature nymphal stage of various plant-lice of the familiar Cercopidae and Jassidae, belonging to the homopterous division of the Hemiptera, which in the adult condition are sometimes called frog-hoppers.
Only the last of these, under the contemptuous designation of wood-lice, has established a feeble claim to popular recognition.
The middle one contains but two families, the cylindrical and often thread-like skeleton shrimps, Caprellidae, and their near cousins, the broad, flattened, so-called whale-lice, Cyamidae.
"plant-lice," "blight," and "green-fly," belonging to the homopterous division of the order Hemiptera, with long antennae and legs, two-jointed, two-clawed tarsi, and usually a pair of abdominal tubes through which a waxy secretion is exuded.
(The horseflesh was appetizing and nourishing, the saltpeter flavor of the gunpowder they used instead of salt was even pleasant; there was no great cold, it was always warm walking in the daytime, and at night there were the campfires; the lice that devoured him warmed his body.)
They beat the tattoo, called the roll, had supper, and settled down round the fires for the night--some repairing their footgear, some smoking pipes, and some stripping themselves naked to steam the lice out of their shirts.
The eggs, laid on the hairs, and known as "nits," hatch in about eight days, and the lice are full grown in about a month.
The bird-lice (Mallophaga) are far more numerous in species, although the number of genera is comparatively small.
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A beard and mustache covered the lower part of his face, and a tangle of hair, infested with lice, curled round his head like a cap.
- The Hop Aphis (Phorodon After the Coccidae the next most important insects male; C, ovigerous wingless female; economically are r the plant lice or A phididae.
The two families to which special attention has been paid are the Aphidae or plant-lice (" green fly ") and the Coccidae or scale-insects.