Xenopsylla cheopis is one of the chips of the rat and which plays a part in the transmission of the Peste (one estimates at more than one hundred the number of species implied in this transmission). The species can fast 38 days. It needs a temperator from 22 to 24 °C and more than 80% of moisture. The duration of the formation of the embryo varies from 4 to 10 days, the larval phase from 11 to 84 days, the phase nymphale from 14 to 182 days, the once trained adult can wait in the cocoon where it carried out his 14 days nymphose to 180 days. It has a cosmopolitan distribution and is related to the rat, Rattus rattus .

Source

• François Rodhain and Claudine Pérez (1985). Precise of medical entomology and veterinary , Maloine (Paris): 458 p.

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