Abstract
Abstract Ecological investigations on Dermacentor variabilis were conducted in both the laboratory and a metropark area in Lucas County, Ohio. Adult tick surveys were conducted in 1979 and 1980. Adults were collected most often during sunny days on the borders of coniferous woodlots. Adult activity began in late April and showed a bimodal distribution with peaks in April-May and August-September. Larval host-seeking behavior was studied. In the field, white-footed mice served as the primary host species. Larval movement over a seven day period was observed by releasing fluorescent, dust-marked larvae into woodlot habitats. In the laboratory, larvae displayed a more positive taxis to oak than pine litter. Oak leaf litter alone attracted more larvae than oak litter which contained rodent hair.
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