Ticks and Disease |
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Page 195
... Egg production Females of the Argasidae lay eggs in batches after successive feeds and the total number of eggs laid by a female is comparatively small . In Argas persicus the greatest number of eggs deposited after the first few blood ...
... Egg production Females of the Argasidae lay eggs in batches after successive feeds and the total number of eggs laid by a female is comparatively small . In Argas persicus the greatest number of eggs deposited after the first few blood ...
Page 196
... eggs . Santos Dias ( 1950 ) claims this as the greatest number yet observed in any of the Ixodidae . All these eggs in the hard ticks are laid at one " sitting " in contrast to the Argasidae where as many as seven or more " sittings ...
... eggs . Santos Dias ( 1950 ) claims this as the greatest number yet observed in any of the Ixodidae . All these eggs in the hard ticks are laid at one " sitting " in contrast to the Argasidae where as many as seven or more " sittings ...
Page 198
... Egg laying in I. hexagonus continues for 19-25 days at 22 ° C , r.h. 100 % and the number of eggs laid daily reaches a maximum 4-8 days after the onset of oviposition when constant and favourable conditions prevail . Subsequently there ...
... Egg laying in I. hexagonus continues for 19-25 days at 22 ° C , r.h. 100 % and the number of eggs laid daily reaches a maximum 4-8 days after the onset of oviposition when constant and favourable conditions prevail . Subsequently there ...
Contents
INTRODUCTION | 1 |
CUTICLE THE KEY TO TICK ADAPTABILITY | 10 |
EXTERNAL FEATURES OF SOME ECONOMICALLY IMPORTANT SPECIES 27 | 27 |
Copyright | |
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Common terms and phrases
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 large number larvae larvae and nymphs lateral layer Lees legs length louping ill lumen male mammals 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