Ticks and Disease |
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Page 47
... grooves . Cervical grooves roughly hour - glass shaped ; grooves shallow and relatively broad at the base of the scapulae , thence by deep gorge - like indentations for a short distance , before broadening , do not reach postero ...
... grooves . Cervical grooves roughly hour - glass shaped ; grooves shallow and relatively broad at the base of the scapulae , thence by deep gorge - like indentations for a short distance , before broadening , do not reach postero ...
Page 72
... grooves distinct and long , deep . Scutum with punctations widely spaced , small to moderate size : lateral grooves short , poorly devel- oped or absent , never deep . Posterior margin abruptly rounded or slightly tapering . R. simus 4 ...
... grooves distinct and long , deep . Scutum with punctations widely spaced , small to moderate size : lateral grooves short , poorly devel- oped or absent , never deep . Posterior margin abruptly rounded or slightly tapering . R. simus 4 ...
Page 73
... grooves . Cervical fields more or less reticulate particularly in large specimens . Postero - median and para - median grooves narrow and distinct . Coxa I. With distinctly pointed dorsal process . Adanal shields . Long with slightly ...
... grooves . Cervical fields more or less reticulate particularly in large specimens . Postero - median and para - median grooves narrow and distinct . Coxa I. With distinctly pointed dorsal process . Adanal shields . Long with slightly ...
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