Ticks and Disease |
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Page 17
... cuticle of hard ticks . The dermal glands of argasid ticks are responsible for the secretion of the outermost cement layer . The bristles on both the scutum and alloscutum are thick walled and taper to fine points . They arise in two ...
... cuticle of hard ticks . The dermal glands of argasid ticks are responsible for the secretion of the outermost cement layer . The bristles on both the scutum and alloscutum are thick walled and taper to fine points . They arise in two ...
Page 26
Don Ramsay Arthur. of the Ixodidae also take up water through the cuticle after desicca- tion and the rate of uptake over a unit area of cuticle is approxi- mately the same in all species of the Ixodidae . In Ornithodoros moubata ...
Don Ramsay Arthur. of the Ixodidae also take up water through the cuticle after desicca- tion and the rate of uptake over a unit area of cuticle is approxi- mately the same in all species of the Ixodidae . In Ornithodoros moubata ...
Page 139
... cuticle from 0-6 mg to 8-10 mg on the penultimate day before repletion ( Fig . 6 ) . At this stage cuticle synthesis is abruptly arrested . When the sheep tick begins to feed , cuticle secretion proceeds rapidly and may well reach 45μ ...
... cuticle from 0-6 mg to 8-10 mg on the penultimate day before repletion ( Fig . 6 ) . At this stage cuticle synthesis is abruptly arrested . When the sheep tick begins to feed , cuticle secretion proceeds rapidly and may well reach 45μ ...
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