As all bee-keepers are aware, the disease known as foul-brood works more havoc among their bees than all the insectivorous creatures put together.
It has been found that some apparently warningly coloured butterflies and other creatures are palatable to insectivorous animals.
It is asserted that species which are mimicked are invariably either armed with a sting, well defended, or unpalatable, so that it is against the interest of insectivorous creatures to attack them.
Their insectivorous diet surely makes them of great importance to man.
A few might be classed as insectivorousor even carnivorous.
That it usually produces only a single young one at a time is a clear adaptation to flight, and similarly the sharp, mountain-top-like cusps on the back teeth are adapted in insectivorous bats for crunching insects.
The behaviour of the insectivorous plant called Venus's fly-trap when it shuts on an insect is like a reflex action in an animal, but plants have no definite nervous system.
It would be easy, for instance, to supply a garden-spider with various insects which are generally rejected by other insectivorous animals, and to note its behaviour.
Then insectivorous mammals make no distinction between the Insecta and the Arachnida, and often eat spiders with avidity, as also will toads and lizards.
Birds, of course, come first, for to most insectivorous birds spiders are acceptable morsels.
The figure representing the aggregated cell- contents in 'Insectivorous Plants' was drawn by him.
In areas where optimum habitat conditions exist its biomass may exceed that of any other insectivorous animal, and in such situations it assumes a major role as a predator and as a competitor with other insectivorous types.
Those who have attempted food habits studies of insectivorous small vertebrates will appreciate the obstacles encountered.
A suborder of carnivorous and insectivorous marsupials including the dasyures and the opossums.
The effect on the insects must have been still greater, for six insectivorous birds were very common in the plantations which were not to be seen on the heath; and the heath was frequented by two or three distinct insectivorous birds.
When in the midst of the plains woods shall be planted and filled with insectivorous birds, the locusts will cease to be a plague and a terror to the farmer.
These birds are insectivorous in their feeding habits, which of course also means that they are migratory.
Little was done in the way of securing laws for the benefit of song and insectivorous birds and birds of plumage until 1886, when the bird-protection committee of the American Ornithologists' Union drafted a bill for this specific purpose.
The substitution of wire and railings for live fences in so many fields has greatly lessened the cover both for insectivorous birds and for spiders.
We began this series by insectivorous birds, and we had ended with them.
The effect on the insects must have been still greater, for six insectivorous birds were very common in the plantations, which were not to be seen on the heath; and the heath was frequented by two or three distinct insectivorous birds.
If a different case had been taken, and it had been asked how an insectivorous quadruped could possibly have been converted into a flying bat, the question would have been far more difficult, and I could have given no answer.
We began this series by insectivorous birds, and we have ended with them, Not that in nature the relations can ever be as simple as this.
At Mussoorie in the Himalayas, and in other parts of northern India, insectivorous bats, such as Rhinolophus luctus and Rh.
Although almost as exclusively insectivorous as bats, moles and shrews do not, so far as is known, hibernate.
The dentition is more adapted to their diet; they have cutting incisors to each jaw, and grinders with flat crowns, and their intestines are longer than those of the insectivorous bats.
The natural food is mixed insectivorous and frugivorous.
These are frugivorous bats of large size, differing, as remarked by Jerdon, so much in their dentition from the insectivorous species that they seem to lead through the flying Lemurs (Colugos) directly to the Quadrumana.
A group of four-handed animals, distinct from the monkeys, and approaching the insectivorous quadrupeds in some of their characters and habits.
The latter were a group of four-handed animals, distinct from the monkeys, and "resembling the insectivorous quadrupeds.
It is not fair for you to permit the slaughter of the insectivorous birds that are like the blood of life to the farmer and fruit grower.
If the people of Europe can stand the wholesale, systematic slaughter of their song and insectivorous birds, we can!
At this moment there lies upon my side table a vicious little 22-calibre rifle that was taken from two boys who were camping in the woods of Connecticut, and amusing themselves by shooting valuable insectivorous birds.
Third,--To protect the farmer and fruit grower from the enormous losses that the destruction of our insectivorous and rodent-eating birds is now inflicting upon both the producer and consumer.
From the beginning, their efforts have tended especially toward the preservation of the non-game birds, and it is well that the song and other insectivorous birds have thus been specially championed.
During the past thirty years the destruction of our game birds has been enormous, and the insectivorous birds have greatly decreased.
The slaughter of song and insectivorous birds has been so far stopped as any Southern state can stop it unaided by the federal government, and those birds are recognized and treated as the farmers' best friends.
The slaughter of song, insectivorous and all other birds by Italians and other aliens from southern Europe has become a scourge to the bird life of this country.
TEXAS: I remember well when the great battle was fought in Texas by the gallant men and women of the State Audubon Society, to compel the people of Texas to learn the economic value to agriculture and cotton of the insectivorous birds.
If the plants disappear, many of the insects will go with them; and this will mean the disappearance of the small insectivorous birds.
For good reasons, forty states of the American Union strictly prohibit the killing of song and insectivorous birds.
The work that has been done by the Bureau in determining the economic value or lack of value of our most important species of insectivorous birds, has been worth millions to the agricultural interests of the United States.
It is believed that a brood of insectivorous and useful birds is almost invariably sacrificed for every cowbird raised.
The lowest or mineral world mainly supplies the material--and this is true even forinsectivorous species--for the vegetable kingdom.
We began this series by insectivorous birds, and we have ended with them.
A mild winter encourages the growth of mould which attacks the hibernating larvæ and pupæ as soon as, from excess of rain or humidity, they become sickly; and it also permits the continued activity of insectivorous mammals and birds.
While not included among the insectivorous forms these birds do much towards diminishing the ever increasing horde of creeping and jumping things.
The use is, I doubt not, the protection the disguise affords against small insectivorous birds.
