Great Hike Part 23
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THE DOBSON.
The Dobson is one of the most curious insects in this order. It is generally known as the h.e.l.lgrammite, although it has probably more popular names than any other insect and some are very peculiar, for instance, Conniption-bugs, Goggle-goy, Flip-flaps, Ho Jacks, Snake-doctor. It is a large insect with strong-biting mouth, living in its larval form in water.
THE SNAKE FLIES.
These are found in the Western States and prey vigorously upon other insects and render themselves especially important to the farmer of the far West because of their ravages upon the Coddling Moth, which is the special enemy of apple trees.
[Ill.u.s.tration: WALKING-STICKS.]
THE ANT LION.
The Ant Lion digs a little pit in loose sand and buries itself therein with the exception of its head. Into this trap fall small insects on which it feeds. After the victim is sucked dry the remains are thrown out of the pit.
THE DRAGONFLIES.
These insects are also known as "Horse-stingers" and "Devil's Darning-needles," and many superst.i.tious beliefs are held in regard to them, although they are perfectly harmless. Many ignorant people still hold them capable of sewing up bad boys' ears. The early part of their existence is spent in the water. They prey upon flies, mosquitoes and small insects. In the wings of these flies are often beautiful colors.
They frequent stagnant water. The Kingbird favors them as a diet.
THE MAYFLIES.
The Mayflies or Shadflies, like the Dragonflies, spend their infancy under water feeding upon vegetables and primitive forms of animal life.
Their scientific name is Ephemerida, coined from the Greek word meaning a day. They were given this name because of their short life. Great quant.i.ties of the larvae are eaten by fish.
CADDIS FLIES.
What observing country boy has not seen the queer-looking Caddis worms in the brooks and their curious larva cases. Put them in your aquarium, for they are interesting to watch and study. Their wings are more or less covered with hair and this gives them a moth-like appearance. They frequent the shady margins of streams. The larvae cases are made of leaves, bits of sticks, sand, sh.e.l.ls, etc., fastened by silk which the caddis worm spins. These cases protect them from fishes and preying insects.
[Ill.u.s.tration: DRAGON FLIES.]
THE HYMENOPTERA.
The Hymenoptera is an order of insects of high rank containing the Bees, Ants, Wasps and Gallflies. Dr. Leland O. Howard, Chief of the Division of Entomology in the United States Department of Agriculture, says that this order "comprises nearly 30,000 described species; but the enormous number of undescribed species, particularly of the smaller parasitic forms inhabiting tropical regions and other out-of-the-way localities, would probably swell this number to more than 300,000. To indicate the work still to be done in this order, it is safe to say that a day's collecting in Central Park, New York, almost under the windows of the great American Museum of Natural History, or in Logan Square, Philadelphia, within 200 yards of the Academy of Natural Sciences, would result in the capture of a number of species new to science." Most remarkable are the insects of this order for their seeming intelligence and the wonderful habits and methods in their interesting colony lives.
[Ill.u.s.tration: MODERN BEE-HIVE]
[Ill.u.s.tration: QUEEN BEE]
BEES.
Bees are distinguished from Wasps and Ants by their hairy bodies. The common hive bee is an insect most important to mankind, and bee-keeping, properly conducted, is a profitable occupation. Here is a chance for boy scouts to win money and laurels. In early summer the bees "swarm." The bee-keeper watches for signs of this and knows that when there is an unusual restlessness among them and the workers become less attentive to their regular duties, "swarming" may be expected. Suddenly more than half the workers, with the queen of the hive, leave the old home and fly to a new place where they "swarm." A second or third swarm sometimes leave the hive, each with their respective queen. The first, however, is always the most important. When hived they climb to the roof and hang in a ma.s.s for often a day. The wax taken from the old hive is kneaded and the foundation of the new honeycomb started. As soon as the workers finish cells, the queen lays eggs in them. These hatch into maggot-like baby bees which have to be fed and taken care of. The worker must now forage for pollen or "beebread" and nectar from flowers. The nectar they carry in their "honey-bags" and change it into honey. The inside workers feed the youngsters, build the comb and clean house, even ventilating it by fanning the air with their wings. In the hives in the swarming are drones who do no work. They are permitted to live and feed on the stores until this season is over, then they are relentlessly killed by the workers. Bees were kept for their product by the Egyptians.
The Honey Bee was imported from Europe and is not a native of this country. The Cuckoo Bees are so called because of their habits of living in the nests of other bees. They apparently live there in friendly relations with the rightful occupants of the hives.
The Carpenter Bees; these insects are so called because of their habit of boring into the stems of plants. They line their cells with silky membrane and build mud part.i.tions. The larger forms of these bees bore into tree trunks and lumber, and even the timber of buildings.
Mason Bees build earthen cells of sand, earth, etc., glued together.
Another group of these cut pieces from leaves with which to form their cells.
[Ill.u.s.tration: SECTION OF CELLS]
[Ill.u.s.tration: STRAW-HIVE]
The b.u.mble Bees; Western farm boys have invented a method or robbing b.u.mble bees' nests. They take a gallon or two-gallon jug partly filled with water and place it near the nest. They then beat the nest and retire to a distance. The bees swarm out of the nest in their attempt to find the guilty disturber. The jug attracts their attention; they fly to it and the beating of their wings over the mouth of the jug causes a roar which attracts the bees and causes them to fly at the mouth and drop into it. The noise of those inside increases the attraction and finally all the bees are inside. After all the bees are thus disposed of the robbing of the nest is then a safe matter.
WASPS.
The wasps' bodies are less hairy than the bees'. Some of the wasps live solitary lives and other groups colonize. The former build their nests in a burrow or attach them to trees. These nests are supplied by the mother wasp with animal food. The social wasp includes the paper-making varieties and the hornets. The habits of both are similar. The nest is never used more than one season. In India it is said that there is a variety that builds a nest reaching a length of several feet. The hornets suspend large, round nests often a foot in diameter from tree branches.
The Mason Wasps build their nests of mud under outhouses, roofs, on rocks and trees. The sting of these insects, especially that of the hornet, is severe, but they do not sting unless disturbed; then they display great anger and will follow the disturber for a long distance.
Although they do considerable damage to fruit they are also helpful as destroyers of insect life.
[Ill.u.s.tration: NEST OF COMMON WASP SEEN FROM BELOW.]
They capture and store in their cells a great variety of insects, spiders, flies and plant-lice. Certain members of this group of insects burrow into the earth and conceal their nests by inserting a stone over which they sc.r.a.pe earth. When the prey is taken the insect is carried into the burrow and the entrance to it is again closed. Dr. S. W.
Williston, writing of this insect, states that the wasp has been observed to "use a stone as a tamping-iron to pack the earth into the mouth of the burrow." He feared, he says, to publish this observation because he thought he would not be believed. It is also said by observers of these wasps that each insect seems to have distinct individuality, for instance, some are careless, some are industrious, some scrupulously painstaking. One entomologist tells of a method used by a wasp in capturing a certain spider: the wasp would entangle itself in the spider's web and the latter would dart out from her hiding place; the wasp would then easily disengage herself from the web and follow the spider to its hiding place. The Cicada often becomes prey of the wasp and its song suddenly ceases as it is quickly stung into insensibility.
If in a struggle the two fall to the ground, the wasp drags the Cicada up a tree until she reaches a height from which she can fly downward to her storehouse. The colony wasps are the paper-making insects, their nests being made from woodpulp and woodfiber secured from old fences and unpainted woodwork which they mix with saliva and form into a pulp with which they build their nests.
[Ill.u.s.tration: CICADA.]
[Ill.u.s.tration: COLONY NEST OF BLACK ANTS]
[Ill.u.s.tration: FEEDING LARVAE]
[Ill.u.s.tration: CELLS OF BLACK ANTS. ENLARGED.]
ANTS.
The third group in this important order are the ants. They always live in communities and build nests which are especially devoted to the purpose of raising their young. The young are fed from the mouth of the worker ants. A remarkable peculiarity of these insects is their practice of making slaves. The large red ant often makes raids on other ants, carrying off their young to their own nests where they are brought up to perform the work of their masters. They also domesticate plant-lice, which have on that account been nicknamed "Ant-Cows."
Instances are related where beetles have been found in ant nests; they are fed by the ants and in case of migration are carried away by them to their new home. While some of these guests are tolerated because, perhaps, the ants cannot rid themselves of them and others are parasites, some seem to be of the nature of pets. The black ants build mountain-like nests, sometimes reaching three feet in height; in these nests sometimes forty or fifty species of ants have been found.
GALL FLIES.
All the members of this family produce galls. In the spring the insect breaks the vegetable tissue by means of her sting and deposits the eggs.
When hatched the young seem to exercise a peculiar influence on the growing tissue, shaping it into a swelling or gall containing a series of chambers. Certain of the galls formed on the oak trees were formerly used in the manufacture of ink and tannin.
Great Hike Part 23
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Great Hike Part 23 summary
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