Ticks and Disease |
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Page 22
... ( Lees , 1946. ) The experimental data of Lees show that water exchanges in ticks take place almost exclusively through their cuticles , and that the regulation of water balance is achieved by the secretory activity of the underlying ...
... ( Lees , 1946. ) The experimental data of Lees show that water exchanges in ticks take place almost exclusively through their cuticles , and that the regulation of water balance is achieved by the secretory activity of the underlying ...
Page 205
... Lees , and Lees and Beament ( 1948 ) have shown that the property of impermeability of the cuticle and of the egg shell is conferred on it by the layer of wax . This wax layer under- goes transitional changes at certain critical ...
... Lees , and Lees and Beament ( 1948 ) have shown that the property of impermeability of the cuticle and of the egg shell is conferred on it by the layer of wax . This wax layer under- goes transitional changes at certain critical ...
Page 263
... Lees , to the need for differential physiological stimulation . Thus females of I. ricinus may require more prolonged stimulation before attaching than do nymphs , and nymphs more than larvae . Females then tend to travel farther from ...
... Lees , to the need for differential physiological stimulation . Thus females of I. ricinus may require more prolonged stimulation before attaching than do nymphs , and nymphs more than larvae . Females then tend to travel farther from ...
Contents
INTRODUCTION | 1 |
CUTICLETHE KEY TO TICK ADAPTABILITY | 10 |
EXTERNAL FEATURES OF SOME ECONOMICALLY IMPORTANT SPECIES | 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 Ixodes ricinus Ixodidae large number larvae larvae and nymphs lateral layer Lees legs length louping ill lumen male membrane microplus Milne moult muscles Nuttall nymphal nymphs nymphs and adults occur palp palpi parasites Parasitology pathogens period persicus pharynx Pomerantzev posterior margin punctations rabbits relapsing fever reported Rhipicephalus rickettsiae rounded salivary glands sanguineus scutum sheep 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