Treatment of severeinfestations in females is often troublesome on account of long hair.
This species is usually regarded as non-pathogenic, but in experimental work, especially with white rats, heavy infestations often result fatally, and naturally infested specimens sometimes show evidence of injury.
Snags and diseased trees upon the sale area must usually be felled, whether merchantable or not, in order to remove fire menace and to check the spread of timber infestations and pests.
The task of locating and reporting insect infestations falls upon the Forest Ranger and other field men of the Forest Service.
That the requisite temperature, water, and food are provided, more or less adequately, by a variety of structures is attested by the innumerable infestations of cockroaches that develop when control measures are relaxed.
We have reviewed a few other examples of heavy infestations in our 1957(a) paper.
Other heavy sewer infestationshave been reviewed in our 1957(a) paper.
Rather heavy infestations were found under stainless-steel cappings that covered wooden arms on the fish cleaning stand.
In general, these ectoparasites do little or no harm to ornate box turtles, although heavy infestations may cause temporary interruption of normal activity or may even cause occasional death.
Subadults were more heavily infested than older adults; no infestations of hatchlings or small juveniles were noted.
Box turtles were considered to have chigger infestations when the reddish larvae could be detected with the unaided eye.
Box turtles kept in outdoor pens and in the laboratory did not long maintain visible infestations of chiggers, even during the time in summer when turtles found in the field were heavily infested.
Ectoparasites usually have little adverse effect on the turtles, although heavy infestations cause occasional injury or death.
Early in the season infestations were chiefly on the head and neck.
Infestations of larval bot flies (Sarcophaga cistudinis) were noted in several turtles at the Damm Farm and, upon closer scrutiny, were found to be common in preserved specimens from other areas.
Infestations were the cause of death in the instances noted by Rainey and Rokosky.
Because of weed infestationsin old beds, it will be more satisfactory to set a new row each year and destroy the old one.
One unfamiliar with our insect infestations will be amazed to find that certain species apparently have had advance notice of his intentions and are sitting about the planted rows awaiting the appearance of the tender shoots.
Both jarring and spraying often have to be repeated as new infestations appear.
This latter method of control is not adequate in itself and in bad infestations both should be used.
Infestations of the introduced bark beetle, Scolytus multistriatus, were common and probably contributed to death of many elms.
After these infestations they begin to treat him cruelly by punishments, and this goes on until he is reduced to the condition of a slave.
These infestations and vastations are effected in different ways in accordance with the adhesion of evils and falsities, and they continue in accordance with their quality and quantity (n.
Since healthy trees are more resistant to oil injury, it is therefore advisable to watch for scale infestations so as to spray them before the trees are weakened.
In New York we now have, in addition to the generally infested areas on Long Island and in the Hudson Valley, about 50 isolated infestations in the central and western parts of the state.
However, infestations taking place after the nut shells have become hard do not cause the nuts to drop.
Infestations by these insects occurring before the shells of the nuts have become hard cause the nuts to drop.
While infestations usually subside before many trees are killed, heavy defoliation reduces the tree's growth and vigor.
Evidence of such infestations is often delayed until January when the branches begin to turn brown.
Infestations are generally more severe in the South, where the insect has two generations per year causing two periods of defoliation in a single year.
Ugly, compact masses of brown excrement or frass pellets around the stem of pine seedlings mark infestations of the pine webworm.
I have seen reports of infestations which were recorded in hickory, but I personally have not seen them.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "infestations" in a variety of sentences. We hope that you will now be able to make sentences using this word.
