Phthirus pubis alive and his lendine

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Description: English: The crab louse or pubic louse (Pthirus pubis) is an insect that is an obligate ectoparasite of humans, feeding exclusively on blood.The main symptom of infestation with crab lice is itching, usually in the pubic-hair area, resulting from hypersensitivity to louse saliva, which can become stronger over two or more weeks following initial infestation. In some infestations, a characteristic grey-blue or slate coloration appears (maculae caeruleae) at the feeding site, which may last for several days.Crab lice usually infect a new host only by close contact between individuals, usually through sexual intercourse. Date: 7 November 2019, 14:39:18. Source: Own work. Author: Davidoc86.