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Head lice:
Their body is oval with flattened dorsal-abdominal. They have a very strong outer shell of the body and legs adopted to grip to the hair. Active hematophagous organisms, such as 1 actively blood-sucking female lays up to 24 hours after copulation, 4 eggs / nits / per day. Optimal temperatures for development are around 30 degrees and the average life expectancy is 60 days. The female attaches the eggs near the root of the hair with mucus and hatching of nymphs takes 18-20 days. All kinds of insects go through different host only by close contact.
Chewing lice:
Morphology similar to the head lice, but bigger in size. They live in the folds of linen, clothing and bedding. The eggs of the female are attached by secretion to fibers of clothing, their development is slightly longer than that of a head lice. It occurs more often in men as infestation is in close contact. Outside of its host
Chewing lice lasts up to 8-10 days.
Crab lice:
It is distinguished from the other two species morphology – smaller, flat, short and wide body.It is much more rigid than other types of lice. Blood sucks in the base of the hair and feast for long periods and causes intense itching. Very sensitive to hunger, and separated from its host dies in 10-12 hours. Adults spread mainly through sexual contact.
Treatment against lice:
Maintaining good personal hygiene is the main method of combating this type of insect. Lice are extremely sensitive to temperature - less than 5 degrees.It is therefore recommended continuous washing of clothes and underwear for suspected insects using high temperatures, followed by ironing. In highly populated areas treatments are carried out with insecticide preparation as possible powdering or spraying, depending on the type of lice.
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To fight the lice
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Lice are ectoparasites, actively blood-sucking in their entire life. Over the past years there has been an increase in their numbers. It is believed that this is due to the lowering of personal and public hygiene. There are over 300 known species, only three of them significant for the humans – Head lice, chewing lice and Crab lice.
