Ticks and Disease |
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Page 15
... cuticle weight 250- 200 150 100 90 50 8 200 100 70 50 8988 Dry weight of cuticle , Cuticle thickness , μ mg 30 Mean cuticle thickness Body weight of adult Dry cuticle weight 20 10 05 Cuticle weight , mg T 2 4 6 8 10 12 14 Days after ...
... cuticle weight 250- 200 150 100 90 50 8 200 100 70 50 8988 Dry weight of cuticle , Cuticle thickness , μ mg 30 Mean cuticle thickness Body weight of adult Dry cuticle weight 20 10 05 Cuticle weight , mg T 2 4 6 8 10 12 14 Days after ...
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 | 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