[Economic Significance] Commonly known as fleas, adults can crawl and jump. Some species parasitize on the body surface of humans, mammals or birds. They bite and suck blood. They often cause the host to be irritable and can spread a variety of diseases.
[Identification points] Body length 0.8-6 mm. The body wall is tough, the body surface has many bristles, and the left and right sides of the body are flat. Wingless. The antennae are short and the mouthparts are piercing and sucking. Rear foot hop.
The characteristics of this order can be summarized as follows: Lateral flat fleas belong to the order Siphonida, and their head and thorax are closely connected with jumping legs; their skin is hard and spiny, and their mouths can suck blood and spread many diseases.
[Species and Distribution] About 3,000 species are known in the world and are widely distributed. 563 species have been recorded in my country. Common human flea Pulex irritans L. et al. In addition to being parasitic on humans, human fleas are particularly common on dogs and cats. Their hosts include 122 species (subspecies) of 9 orders, 69 genera, and subspecies of mammals. In addition to directly harming humans and livestock, they can also spread plague.
animal tags： fleas
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