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• Chigoe_flea abstract "The chigoe flea or jigger (Tunga penetrans) is a parasitic arthropod found in most tropical and sub-tropical climates, not to be confused with the larval form of Trombiculidae (called chiggers) found in more temperate climates. It is native to Central and South America, and has been inadvertently introduced by humans to sub-Saharan Africa. At 1 mm long, the chigoe flea is the smallest known flea. Breeding female chigoes burrow into exposed skin on the feet of mammals and remain there for two weeks while developing eggs, during which time they swell dramatically, sometimes causing intense irritation (condition called tungiasis). After this point, the skin lesion looks like a 5- to 10-mm blister with a central black dot, which are the flea's exposed hind legs, respiratory spiracles and reproductive organs.If the flea is left within the skin, dangerous complications can occur including secondary infections, loss of nails, and toe deformation. These are relatively rare, but heavy infestations combined with unsanitary conditions greatly increases the likelihood of complications.The parasitic flea lives in soil and sand, and feeds intermittently on warm-blooded hosts, such as humans, cattle, sheep, dogs, mice (but apparently not rats), and other animals. Males leave the host after a blood meal like other fleas, but the female flea burrows head-first into the host's skin, leaving the caudal tip of its abdomen visible through an orifice in a skin lesion. This orifice allows the chigoe flea to breathe and defecate while feeding on blood vessels in the cutaneous and subcutaneous dermal layer. Over the next two weeks, its abdomen swells with up to several dozen eggs, which it releases through the caudal orifice to fall to the ground when ready to hatch. The flea then dies and is sloughed off with the host's skin. Within the next three to four days, the eggs hatch, and mature into adult fleas within three to four weeks.Since the fleas spend most of their time on the ground, tungiasis lesions are usually on the feet; however, like most fleas they are capable of jumping up 20 cm, and lesions may occur on any part of the body, favoring regions of soft skin such as between the toes. During the first day or two of infection, the host may feel an itching or irritation which then passes as the area around the flea calluses and becomes insensitive. As the flea's abdomen swells with eggs later in the cycle, the pressure from the swelling may press neighbouring nerves or blood vessels. Depending on the exact site, this can cause sensations ranging from mild irritation to serious discomfort.A study published in 2006 concluded, "Contrary to common belief, a protective effect of frequent use of closed footwear could not be demonstrated."".
• Chigoe_flea binomialAuthority 10th_edition_of_Systema_Naturae.
• Chigoe_flea binomialAuthority Carl_Linnaeus.
• Chigoe_flea class Insect.
• Chigoe_flea family Hectopsyllidae.
• Chigoe_flea genus Tunga_(flea).
• Chigoe_flea kingdom Animal.
• Chigoe_flea order Flea.
• Chigoe_flea phylum Arthropod.
• Chigoe_flea thumbnail ChiggerBMNH.jpg?width=300.
• Chigoe_flea wikiPageID "1884889".
• Chigoe_flea wikiPageRevisionID "602482462".
• Chigoe_flea binomial "Tunga penetrans".
• Chigoe_flea classis "Insecta".
• Chigoe_flea familia Hectopsyllidae.
• Chigoe_flea genus "Tunga".
• Chigoe_flea hasPhotoCollection Chigoe_flea.
• Chigoe_flea name "Chigoe flea".
• Chigoe_flea ordo Flea.
• Chigoe_flea phylum "Arthropoda".
• Chigoe_flea regnum "Animalia".
• Chigoe_flea species "T. penetrans".
• Chigoe_flea subject Category:Animals_described_in_1758.
• Chigoe_flea subject Category:Fauna_of_the_United_States.
• Chigoe_flea subject Category:Fleas.
• Chigoe_flea type Animal.
• Chigoe_flea type Eukaryote.
• Chigoe_flea type Insect.
• Chigoe_flea type Species.
• Chigoe_flea type Animal.
• Chigoe_flea type BiologicalLivingObject.
• Chigoe_flea type EukaryoticCell.
• Chigoe_flea type Insect.
• Chigoe_flea type Organism.
• Chigoe_flea comment "The chigoe flea or jigger (Tunga penetrans) is a parasitic arthropod found in most tropical and sub-tropical climates, not to be confused with the larval form of Trombiculidae (called chiggers) found in more temperate climates. It is native to Central and South America, and has been inadvertently introduced by humans to sub-Saharan Africa. At 1 mm long, the chigoe flea is the smallest known flea.".
• Chigoe_flea label "Bicho-de-pé".
• Chigoe_flea label "Chigoe flea".
• Chigoe_flea label "Pchła piaskowa".
• Chigoe_flea label "Tunga penetrans".
• Chigoe_flea label "Tunga penetrans".
• Chigoe_flea label "Tunga penetrans".
• Chigoe_flea label "Zandvlo".
• Chigoe_flea sameAs Blecha_písečná.
• Chigoe_flea sameAs Tunga_penetrans.
• Chigoe_flea sameAs Tunga_penetrans.
• Chigoe_flea sameAs Tunga_penetrans.
• Chigoe_flea sameAs Zandvlo.
• Chigoe_flea sameAs Pchła_piaskowa.
• Chigoe_flea sameAs Bicho-de-pé.
• Chigoe_flea sameAs m.063mtd.
• Chigoe_flea sameAs Q133413.
• Chigoe_flea sameAs Q133413.
• Chigoe_flea wasDerivedFrom Chigoe_flea?oldid=602482462.
• Chigoe_flea depiction ChiggerBMNH.jpg.
• Chigoe_flea isPrimaryTopicOf Chigoe_flea.
• Chigoe_flea name "Chigoe flea".