You are here
قراءة كتاب The House Fly and How to Suppress It
تنويه: تعرض هنا نبذة من اول ١٠ صفحات فقط من الكتاب الالكتروني، لقراءة الكتاب كاملا اضغط على الزر “اشتر الآن"
THE HOUSE FLY[1] AND HOW
TO SUPPRESS IT.
By L. O. Howard, Chief of the Bureau of Entomology, and F. C. Bishopp, Entomologist.
CONTENTS.
| Page. | |
| Kinds of flies found in houses | 1 |
| Where the true house fly lays its eggs | 2 |
| How the house fly passes the winter | 6 |
| Carriage of disease by the house fly | 6 |
| Excluding and capturing flies | 7 |
| The use of screens | 7 |
| Fly papers and poisons | 8 |
| Fly sprays | 8 |
| Flytraps | 9 |
| Preventing the breeding of flies | 9 |
| Construction and care of stables | 9 |
| Fly-tight manure pits | 10 |
| Frequency with which manure should be removed in cities and towns | 10 |
| Health office regulations for control of house flies in cities | 10 |
| Disposal of manure in rural and suburban districts | 11 |
| Chemical treatment of manure to destroy fly maggots | 12 |
| Maggot trap for destruction of fly larvæ from horse manure | 13 |
| Compact heaping of manure | 15 |
| Garbage disposal and treatment of miscellaneous breeding places | 15 |
| Sewage disposal in relation to the prevention of fly-borne diseases | 15 |
| What communities can do to eliminate the house fly | 16 |
KINDS OF FLIES FOUND IN HOUSES.
Several species of flies are found commonly in houses. Some of them so closely resemble the true house fly that it requires very careful observation to distinguish them from it.
One of these is the biting stable fly[2] (fig. 1). It occurs frequently in houses and differs from the house fly in the important particular that its mouth parts are formed for piercing the skin. This fly is so often mistaken for the house fly that most people think that the house fly can bite.
Another frequent visitant of houses, particularly in the spring and fall, is the cluster fly.[3] It is somewhat larger than the house fly, and is distinguished by its covering of fine yellowish hairs. Occasionally this fly occurs in houses in such numbers as to cause great annoyance. It gets its name of "cluster fly" from its habit of collecting in compact groups or clusters in protected corners during cold periods.
Several species of metallic greenish or bluish flies also are found occasionally in houses. These include a blue-bottle fly,[4] the black blowflies,[5] and the green-bottle (fig. 2) flies.[6] They breed in decaying animal matter.
There is still another species, smaller than any of those so far mentioned, which is sometimes called the "lesser house fly."[7] This insect