The northern fowl mite, Ornithonyssus sylviarum Canestrini and Fanzago, is a common ectoparasite of wild birds. Despite its ability to transmit eastern equine encephalitis (EEE) virus under laboratory conditions and potential for involvement in the natural EEE virus cycle, we know little about its abundance or temporal distribution in nature. From June to August 2000, we studied the abundance o...

ectoparasites of various species of rodents were examined from sarepole zehab, kermanshah province iran during 2005. this city is bordered with iraq. a total of 139 rodents included 6 species of hosts were captured during all different seasons and examined for ectoparasites using live trap. the area of study was mainly plateu (70%) and mountanous. the hosts including: microtus socialis, mus mus...

Southern California caged layer operations were visited over 3 yr. Northern fowl mites from 26 field populations were tested for acaricide resistance using a capillary pipette and glass dish bioassay. One was a susceptible field population with no pesticide exposure for over 30 yr (reference site for resistance ratio calculation). Technical and commercial formulations of malathion, carbaryl (Se...