Flies are widespread almost everywhere, they can be met both in mountains, and in the tropical countries. Being carriers of such dangerous diseases as cholera, dysentery, typhus and also helminths, a fly also importunately besiege the person. In the Bible in the Book "Outcome" ten disasters which comprehended Egypt are described. Flies were the fourth of them.
Instruction
1. Domestic (room) flies (Latin of Musca domestica) treat family of the real flies. It is the most widespread look, but in the wild nature they cannot almost be met. They live only where there live people.
2. Usually makes external bodies of a room fly of an osobennostidlin to 1.5 cm (at her largest relatives length can reach 7.5 cm). Eyes of a fly house consist of 4000 hexagonal crystalline lenses thanks to what she has almost panoramic sight. Besides, the structure of her eyes allows to consider the objects which are in the opposite directions at the same time. Whiskers of a fly and also other hairs located on her body have unsurpassed sensitivity to vibrations and fluctuations of air. It very often saves house individuals from a fly swatter of the owner of the dwelling. Food of a fly occurs through a proboscis which she is capable to absorb the food which is only previously diluted by means of gastric juice.
3. The term of life house mukhrazvitiye of a fly occurs in three stages - a doll, the larva, an imago, duration of the periods makes no more than 20 days. The longevity of a room fly, on a row with other insects, is small. It can make from several days to 1.5 months. The term of their life averages about 3 weeks. It provided that the person will not begin to kill an insect independently.
4. Temperature environmental conditions have considerable impact on duration of existence of a fly. Flies are capable to survive at a temperature from 8 to 45oc. Temperature, most suitable for their life, – 21-24 oc that often corresponds to temperature in apartments, houses. The term of life of flies lasts also when they falls into hibernation. In such state they can transfer winter.
5. Continuation rodanesmotrya on such life short and full of dangers, at flies huge ability to the work of posterity. One female for the short century postpones until 2000 eggs. But, It should be noted that not from all eggs in a consequence flies appear and not all from them will hold on to age when are able to bring forth further offspring. The period of development of larvae of flies does not exceed 25 days then she pupates, and no later than three days the fly capable to reproduction in 36 hours is born. Thus, leaves that within one year about 20 generations of this insect are replaced.