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Electrosensory thresholds and tuning were determined from behavioural studies in larvae of Pollimyrus isidori using the stop response of their electric organ discharge to weak electrical stimuli. Two age groups were studied: (1) 10to 15-day-old larvae in which the electric organ discharge (EOD), produced by a distinct larval electric organ, had just(More)
Having removed a pigeon's nest, a 20-year-old woman developed pruritic skin lesions due to infestation by the mite Dermanyssus gallinae (De Geer 1778). Parasites from inside the nest are demonstrated by light microscope and by scanning electron microscope. As many mite species may infest humans temporarily, such parasites should be considered a possible(More)
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