Our illustration shows the Thrips in the larval and winged state, natural size and greatly magnified.
Aphis and thrips are persistent enemies of this plant, and will need constant attention.
Thrips and aphis are extremely partial to Tomatoes.
Thrips cerealium) which is very injurious to the grains of growing wheat.
The Adult Insect and Larva of Thrips cerealium (magnified).
Thrips cerealium is very destructive when it occurs in multitudes upon the wheat, barley, and oats, for it interferes with the proper nutrition of the grain, by nibbling the protecting envelopes and the tissue which connects it to the stalk.
Thrips cerealium) which is very injurious to the grains of growing wheat.
Defn: Any one of numerous small species of Thysanoptera, especially those which attack useful plants, as the grainthrips (Thrips cerealium).
Mr. Mayne, like many persons at the time, attributed the blight to an insect which some called Aphis Vastator, others Thrips minutissima.
The production of a few seeds by the short-styled plants was probably due to the action of Thrips or of some other minute insect.
The plants thus treated were therefore excessively sterile, and their slight degree of fertility may be attributed in part to the action of the many individuals of Thrips which haunted the flowers.
The thrips and the disgusting rose-bug were also making havoc here and there.
No rose-bug escaped Webb's vigilant search, and the foliage was so often sprayed by a garden syringe with an infusion of white hellebore that thrips and slugs met their deserved fate before they had done any injury.
De Geer has observed, speaking of a small fly of this order (Thrips Physapus), that the extremity of its feet is furnished with a transparent membranaceous flexible process, like a bladder.
In their final state, I have noticed that the individuals of Thrips Physapus, the fly that causes us in hot weather such intolerable titillation, are very fond of each other's company when they feed.
As these plants were covered by a net, they produced spontaneously only a few capsules containing any seeds, and these few may perhaps be attributed to the action of Thrips and other minute insects which haunt the flowers.
But it is more probable that their fertilisation is effected, as Mr. Bennett suggests, by Thrips and certain minute beetles which haunt the flowers, and which cannot be excluded by any net.
Some years a third spraying with a tobacco concoction was used to keep thrips in check.
Of these, mealy-bug, red-spider, thrips and mildew are most troublesome.
A review of the early larval stages of the earwig, thrips and cicada, prior to wing development, and of the aphis-lion larva, shows a conformity to a generalised type exemplified by the primitive silverfish.
Thrips are readily controlled by means of nicotine-sulphate.
A characteristic symptom of thripsinfestation is a silvering of the foliage, while the leaves are further rendered unsightly by the minute specks of hardened excreta ejected by the insects.
Many thrips pass their whole development upon the host plants, while others pass part of their lives underground.
Thrips are readily identified by the structure of the wings (Fig.
A decided advance toward a metamorphosis is exhibited by insects known as thrips (Fig.
One of the commonest species met with under glass and out of doors is the greenhouse thrips (Heliothrips haemorrhoidalis).
Throughout the rose-garden hundreds of spared thrips went on with their morning meal, unwitting of doom averted.
The thrips are very minute, transparent, somewhat louse-like insects.
You can find thrips by shaking a cluster of blossoms, as soon as they open, over a sheet of paper or in the palm of your hand.
How can the presence of pear thrips be detected in a prune orchard?
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "thrips" in a variety of sentences. We hope that you will now be able to make sentences using this word.
