Pulex irritans is known as the human flea. Fleas are 1-4 mm in length and laterally-compressed. They lack both genal and pronotal combs (ctenidia) and the ocular setae are below the eye. …

back to the Flea Key. Genal Comb = Row of enlarged spines, along the ventral edge of the head. Pronotal Comb = Row of enlarged spines, along the posterior edge of the 1st thoracic …

The various setae, spines, and combs found on fleas are thought to help fleas move efficiently through the host’s pelage or plumage, prevent dislodgement from

Setae (bristles) are found on each segment, as well as the head. They arise from sclerotised plate-like structures. Two hooks, called anal struts, project backwards and downwards from a …

The majority of characters used for species diagnoses are based on the shape and structure of their extraordinarily complex genitalia, and the presence and distribution of setae, spines and …

Many of these morphological features are exclusive to Siphonaptera. They have developed ctenidia (combs) on their heads, thorax, and abdomen and occasionally on their legs. Setae …

1 day ago · In this article we will teach you the “need-to-know” information on flea biology, risks to your home and health, how to prevent and identify infestations, and should you need it, how to …

Jan 1, 2019 · Flea larvae are elongate, legless, and eyeless, with numerous stout body setae, especially on their abdominal segments. They possess a sclerotized head capsule armed with …

Fleas are small, blood-sucking parasites that live on animals and can infest your living spaces. Understanding what fleas look like can help you determine if these wingless insects are …

Jan 19, 2024 · The main component of the flea setation is formed by large setae, 3–5 times as long as other hairs present on the segments. These setae lie parallel or at a small angle to the …