Pulex irritans Menneskeloppe (Human flea)
Order: Siphonaptera: Fleas.
Specific morphology: Adult specimen (length: 2-3 mm). Smoothly-rounded small triangular head with eyes. Neither genal nor pronotal ctenidia are present. The dorsal bristles relatively thin and tiny..
Hosts: Primarily man. Can be found on cats and dogs, but this is not common in DK.
Intermediate host of Dipylidium caninum.
General morphology of adult fleas: Wingless, laterally compressed insects, 1.5-3 mm long. Head: Small, triangular with thin biting-sucking mouthparts, with/without genal ctenidia, and with club-shaped antennae visible in grooves posterior to the eye spots. Thorax: Small, with strong legs and with/without pronotal ctenidia on the first segment. Abdomen: Large segments, each with a central spiracle and dorsal row of bristles.