Biology of Ticks, Volume 2Oxford University Press, 1991 - Ecology |
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Page 18
... nymphs the following spring or summer ( Table 23.2 ) . In contrast , larvae fed in spring molt immediately . The result is a large population of unfed nymphs , albeit representing different cohorts . These nymphs attack hosts throughout ...
... nymphs the following spring or summer ( Table 23.2 ) . In contrast , larvae fed in spring molt immediately . The result is a large population of unfed nymphs , albeit representing different cohorts . These nymphs attack hosts throughout ...
Page 102
... nymphs during feeding on naive and resistant rabbits and cattlea , b RABBITTS Excreta ( mg / nymph ) Hemoglobin in tick excreta ( g / 100 ml ) Hemoglobin in host blood ( g / 100 ml ) 1st infestation 1.5 6.1 ND 3rd infestation > 0.4a ND ...
... nymphs during feeding on naive and resistant rabbits and cattlea , b RABBITTS Excreta ( mg / nymph ) Hemoglobin in tick excreta ( g / 100 ml ) Hemoglobin in host blood ( g / 100 ml ) 1st infestation 1.5 6.1 ND 3rd infestation > 0.4a ND ...
Page 180
... nymphs results in virus- infected nymphs by transstadial transmission . Usually , this occurs soon after feeding , but the unfed nymphs overwinter ( diapause ) until the following spring . Host - seeking nymphs attack a somewhat wider ...
... nymphs results in virus- infected nymphs by transstadial transmission . Usually , this occurs soon after feeding , but the unfed nymphs overwinter ( diapause ) until the following spring . Host - seeking nymphs attack a somewhat wider ...
Contents
ECOLOGY OF NONNIDOCOLOUS TICKS | 3 |
ECOLOGY OF NIDICOLOUS TICKS | 66 |
ACQUIRED IMMUNITY TO TICKS | 92 |
Copyright | |
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abundance acaricide adult ticks Africa Amblyomma americanum andersoni animals antibodies antigens appendiculatus areas Argas argasid attack Babesia babesiosis birds Borrelia Burgdorfer burgdorferi burrows cattle clinical cycle deer Dermacentor develop diagnosis diapause dogs ecology engorged enzootic Epidemiology erythrocytes females Figure forest genus habitat heartwater host cell host-seeking humidity immune important incubation infection isolated Ixodes dammini ixodid laboratory larvae livestock Lyme borreliosis Lyme disease mammals membrane merozoites midgut molting nests nidicolous Norval numbers nymphal nymphs occur organisms Ornithodoros oviposition paralysis parasites pathogen period permission questing rabbits region relapsing fever reported Rhipicephalus ricinus rickettsiae RMSF rodents salivary glands schizonts seasonal activity sheep small mammals Sonenshine southern Spielman spirochetes sporozoites spotted fever stages survival symptoms temperature Theileria tick control tick feeding tick paralysis tick population tick species tick vectors tick-borne tick-borne diseases tissues transmission transmitted transovarial transstadial treatment tularemia unfed vaccine variabilis vector tick vegetation vertebrate virus viruses white-footed mice wild