Ticks and Disease |
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Page 143
Don Ramsay Arthur. Larvae seek new host Eggs hatch Host No.1 Larva feeds on host No.1 Fully fed larva drops to ground to larva Eggs laid by female LIFE HISTORY Larva moults to nymph Fully fed female drops from host to ground OF A THREE ...
Don Ramsay Arthur. Larvae seek new host Eggs hatch Host No.1 Larva feeds on host No.1 Fully fed larva drops to ground to larva Eggs laid by female LIFE HISTORY Larva moults to nymph Fully fed female drops from host to ground OF A THREE ...
Page 210
... larvae are abnormal . The normal period for incubation is 57 days when the mean temperature is 65.2 ° F . Under normal conditions larvae can survive up to about 540 days without feeding and the experimental data of Smith et al . showed ...
... larvae are abnormal . The normal period for incubation is 57 days when the mean temperature is 65.2 ° F . Under normal conditions larvae can survive up to about 540 days without feeding and the experimental data of Smith et al . showed ...
Page 394
... larvae hatched from the eggs 32-38 days after the females had dropped from the sheep . Clean sheep infested with these larvae at intervals of 79 , 144 , 186 and 245 days after hatching all showed febrile symptoms . A proportion of the ...
... larvae hatched from the eggs 32-38 days after the females had dropped from the sheep . Clean sheep infested with these larvae at intervals of 79 , 144 , 186 and 245 days after hatching all showed febrile symptoms . A proportion of the ...
Contents
INTRODUCTION | 1 |
CUTICLEThe Key to TICK ADAPTABILITY | 10 |
EXTERNAL FEATURES OF SOME ECONOMICALLY IMPORTANT | 27 |
Copyright | |
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activity Africa Amblyomma andersoni animals appear areas argasid Argasidae attached Babesia basis capituli bite body Boophilus broad capitulum cattle cells Cervical grooves cheliceral colour coxa coxal cuticle cytoplasm Dermacentor disease dogs dorsal view eggs endocuticle engorged epicuticle evertsi external spur feeding fluid fully fed genus granules Haemaphysalis hairs hard ticks hexagonus Hoogstraal host humidity Hyalomma hypostome infection inner Ixodes ricinus Ixodidae large number larvae larvae and nymphs lateral layer Lees legs length louping ill lumen male membrane microplus moult muscles Nuttall nymphal nymphs nymphs and adults occur palp palpi parasites pathogens period persicus pharynx posterior margin punctations rabbits relapsing fever reported Rhipicephalus rickettsiae rounded salivary glands sanguineus scutum sheep skin soft ticks spermatophore spiracle Spiracular plate spirochaetes spotted fever spur on coxa surface tarsus tarsus IV temperature Theileria tick species tissues transmission transmitted transverse unfed females variabilis vector ventral virus whilst