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Page 352
Don Ramsay Arthur. CHAPTER XII RICKETTSIAE TRANSMITTED Rickettsiae BY TICKS Rickettsiae constitute a group of micro - organisms commonly , though not necessarily , found in the tissues of arthropods . They were named in honour of Howard ...
Don Ramsay Arthur. CHAPTER XII RICKETTSIAE TRANSMITTED Rickettsiae BY TICKS Rickettsiae constitute a group of micro - organisms commonly , though not necessarily , found in the tissues of arthropods . They were named in honour of Howard ...
Page 354
... rickettsiae originally were probably non - pathogenic parasites of mites and ticks . Invasion of all the tissues of these arachnids takes place , including the salivary glands and the ovary . Transovarial passage of the rickettsiae ...
... rickettsiae originally were probably non - pathogenic parasites of mites and ticks . Invasion of all the tissues of these arachnids takes place , including the salivary glands and the ovary . Transovarial passage of the rickettsiae ...
Page 355
... Rickettsiae occur commonly in the alimentary tract of both blood - sucking and non - blood - sucking arthropods , where some species , e.g. R. quintana Schminke ... rickettsiae An extensive literature on RICKETTSIAE TRANSMITTED BY TICKS 355.
... Rickettsiae occur commonly in the alimentary tract of both blood - sucking and non - blood - sucking arthropods , where some species , e.g. R. quintana Schminke ... rickettsiae An extensive literature on RICKETTSIAE TRANSMITTED BY TICKS 355.
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