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Chiggers are the larval stage of Trombiculidae and Leeuwenhoekiidae mites of medical and veterinary importance. Some species in the genus Leptotrombidium and Herpetacarus vector Orientia species, the bacteria that causes scrub typhus disease in humans. Scrub typhus is a life-threatening, febrile disease. Chigger bites can also cause dermatitis.
- Ectoparasite defence in humans: relationships to pathogen avoidance and ...
Evidence has thus begun to show that humans respond to...
- Ectoparasite defence in humans: relationships to pathogen avoidance and ...
3 Οκτ 2014 · Chiggers are worldwide distributed ectoparasites that have to be taken into account as human pathogens. Their medical importance is based on their role as vectors of scrub typhus and as causative agents of trombiculiasis. Scrub typhus remains as one of the most life-threatening infection in Asian Pacific regions.
Evidence has thus begun to show that humans respond to stimuli that cue ectoparasite risk with sensations like itching, and behaviour like scratching, that are functionally consistent with ectoparasite defence.
25 Φεβ 2024 · Chiggers are the larvae of the Trombiculidae mite species. Bites from these mite larvae can cause local pruritus and irritation called trombiculiasis or trombiculosis. The reaction is usually mild and self-limited, but the bites can transmit disease or result in bacterial superinfection.
2 Ιουν 2023 · Key conclusions include a possible role for chiggers as vectors of viral diseases; the dominance in some chigger populations of unidentified symbionts in several bacterial families; and...
Chiggers use a unique mode of feeding in which a straw-like structure called the stylostome (Box 1) is produced by secreted substances only after the chigger has attached to the host (Figure 1B).
1 Αυγ 2023 · Hantavirus. Medical and veterinary importance of chiggers. The larval stage of trombiculid mites (Acari: Trombiculidae), known colloquially as chiggers (see Glossary), are the sole confirmed vectors of intracellular bacterial pathogens of the genus Orientia, the causative agents of scrub typhus.
