Transcription of CHAPTER 4 Bedbugs, fleas, lice, ticks and mites
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CHAPTER 4 Bedbugs, fleas, lice, ticks and mites
BEDBUGS: PUBLIC HEALTH IMPORTANCE237 CHAPTER 4 Bedbugs, fleas, lice , ticks and mitesEctoparasites that live on the body, in clothing and in bedsThere are many different species of bloodsucking fleas, lice , ticks and mites . Licelive on humans or in their clothing, while fleas are frequently found taking blood-meals on people and domestic animals. Bedbugs, which can be found in beds orfurniture, feed on humans to obtain blood-meals. Some mites live in people s skin, the mites that cause scabies. Other mite species and ticks may take blood-meals on humans. Fleas, bedbugs and lice are insects, whereas ticks and mitesbelong to another group of arthropods, the Acarina. Unlike adult insects they haveonly two main sections to their body, and the adults have four pairs of legs (asopposed to three pairs in insects).Bedbugs, head lice and crab lice do not carry disease, but their biting can be aserious nuisance. However, important diseases of humans and animals are trans-mitted by other arthropods dealt with here, among them the following: epidemic typhus and epidemic relapsing fever (body lice ); plague and murine typhus (certain fleas); Lyme disease, relapsing fever and many viral diseases ( ticks ); scrub typhus (biting mites ).
BEDBUGS: PUBLIC HEALTH IMPORTANCE 237 CHAPTER 4 Bedbugs, fleas, lice, ticks and mites Ectoparasites that live on the body, in clothing and in beds
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