Bug Identifier
Chigoe flea (also known as jigger or sand flea)
Community identification

Chigoe flea (also known as jigger or sand flea)

Tunga penetrans

Order & Family
Siphonaptera, Tungidae
Size
1 to 2 mm (adults before swelling); mated females can swell up to 10 mm
See this bug in the Encyclopedia

Natural Habitat

Tropical and subtropical regions, particularly sandy soil, beaches, livestock pens, and rural environments

Diet & Feeding

Hematophagous; adult fleas feed on the blood of warm-blooded animals including humans, mammals, and birds

Behavior Patterns

Wingless parasite that uses strong hind legs for jumping. Mated females burrow into the skin of hosts (typically the feet or toes), swelling significantly as eggs develop before releasing them and dying

Risks & Benefits

Risks: Causes tungiasis, an inflammatory skin condition characterized by pain, itching, secondary bacterial infections, severe tissue damage, and potential loss of toes/nails. Benefits: None to humans; serves as a minor organism in parasite-host ecosystems