Xenopsylla cheopis

(aka., Oriental Rat Flea)

Distinguishing Features: Genal and pronotal combs absent;  Front margin of head rounded;  Thorax not contracted;  Mesopleurone divided by vertical rod-like thickening (i.e., mesopleuron rod);  Ocular bristle inserted in front of eye;  Shape of spermatheca (1)

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Sources:
(1) Zajac, Anne M., and Gary A. Conboy. Veterinary Clinical Parasitology. 8th ed., Wiley Blackwell, 2013.