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Download this stock image: Xenopsylla cheopis, oriental rat flea, with a proventricular plague mass (Yersinia pestis bacteria) - BN46JR from Alamy's library of millions of high resolution stock photos, illustrations and vectors.
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Bottom row: digestive tract dissected from a flea with complete proventricular blockage (14 days after infection), photographed using light (E) or light and fluorescence (F) microscopy.
Seaports and other rat-infested areas are also common habitats for X. cheopis. Fleas are nidiculous parasites; they live in the host's nest. Clothing, beds and couches make perfect homes for many of these fleas. Fleas only attach to the host while they are sucking blood; at other times they are free-living in the host's nest.
This photograph depicted a magnified left lateral view of an Oriental rat flea, Xenopsylla cheopis, a parasite of rodents, and a primary vector for the disease, bubonic plague. You are able to see a Yersinia pestis bacterial bolus obstructing the flea’s proventriculus and stomach.
5 Μαΐ 2022 · Download PDF. Share. More. The rat flea, Xenopsylla cheopis, is the primary vector of the bubonic plague bacterium, Yersinia pestis, and also serves as a vector of bacteria belonging to the genera Rickettsia and Bartonella.
a muscular valve, the proventriculus, is responsible for breaking down the blood meal for digestion. The blocking of the proventriculus, a side effect of flea infection with the plague bacterium (see below), is thought to be a key factor related to this species’ preeminence as an effective spreader
