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15 febbraio 2010 | 
Autore: Xenopsylla cheopis, è una pulce ectoparassita di molti animali; è frequente soprattutto sui ratti ed è il principale vettore della peste bubbonica in quanto veicola il patterio patogeno Yersinia pestis.
Xenopsilla cheopis
Classificazione
Classe: Insetti
Ordine: Sifonatteri o Afanitteri
Famiglia: Pulicidi, comprende circa 150 specie, parassite di mammiferi, cosmopolita.
Genere: Xenopsilla
Specie: Xenopsilla cheopis
Per saperne di più sulla peste bubbonica…
Medici della peste
… e sulle zoonosi
Pubblicato in Animalia, Classificazione degli animali | 
Tag: Ambiente, animali, Biologia, parassiti, tassonomia, Zoologia
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- From finding Nemo to minerals: What riches lie in the deep sea?As fishing and the harvesting of metals, gas and oil have expanded deeper and deeper into the ocean, scientists are drawing attention to the services provided by the deep sea, the world’s largest environment.
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- Microscopic rowing -- without a coxNew research shows that the whip-like appendages on many types of cells are able to synchronize their movements solely through interactions with the fluid that surrounds them.
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- Generating a genome to feed the world: African rice sequencedAn international team of scientists has sequenced the genome of African rice. The new information will enable scientists and agriculturalists to develop varieties of rice that can survive in a changing climate.