Common Identifying Characteristics Found on the Thorax of Fleas

Common Identifying Characteristics Found on the Thorax of Fleas

Common Identifying Characteristics Found on the Thorax of Fleas

This illustration shows some common identifying characteristics found on the thorax of fleas.

Identifying features on the thorax include a pronotal comb, an internal thickening of the mesopleuron, spinelets on the metanotum, bristles/spinelets on the 1st segment (coxae) of the legs, and the plantar bristles on the last segment of the leg.