Ticks and Disease |
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Page 210
Sometimes the eggs overwinter and under these conditions the longest
incubation period hitherto recorded is 303 days , but the resultant larvae are
abnormal . The normal period for incubation is 57 days when the mean
temperature is 65 .
Sometimes the eggs overwinter and under these conditions the longest
incubation period hitherto recorded is 303 days , but the resultant larvae are
abnormal . The normal period for incubation is 57 days when the mean
temperature is 65 .
Page 211
( in July and August ) and 247 days for those which fed in autumn and
overwintered as fully fed larvae . Nymphs select similar hosts to the larvae , and
are capable of survival without feeding for 274 – 309 days . Newly moulted
nymphs are ...
( in July and August ) and 247 days for those which fed in autumn and
overwintered as fully fed larvae . Nymphs select similar hosts to the larvae , and
are capable of survival without feeding for 274 – 309 days . Newly moulted
nymphs are ...
Page 262
actively secreting saliva , the tissues are liquefied and the mouth parts of both
larvae of 1 . trianguliceps and females of Haemaphysalis bispinosa are then
capable of penetrating the cartilage of the pinna of mice . The nymphs of 1 .
ricinus on ...
actively secreting saliva , the tissues are liquefied and the mouth parts of both
larvae of 1 . trianguliceps and females of Haemaphysalis bispinosa are then
capable of penetrating the cartilage of the pinna of mice . The nymphs of 1 .
ricinus on ...
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Contents
CUTICLETHE KEY TO Tick ADAPTABILITY | 10 |
EXTERNAL FEATURES OF SOME ECONOMICALLY IMPORTANT | 27 |
CAPITULUM AND FEEDING MECHANISM | 92 |
Copyright | |
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Common terms and phrases
activity adults Africa Amblyomma andersoni animals appear areas associated attached Babesia base basis become bite blood body broad capitulum cattle cells cheliceral closely colour complete coxa cuticle cytoplasm Dermacentor disease distribution dogs dorsal drop effects eggs engorged evidence external feeding female fever fluid frequently further glands grooves hairs hard host humidity hypostome increase infection inner Ixodes known larvae lateral layer Lees legs length less male margin moubata moulting muscles narrow natural nymphs observed occur organ outer pair parasites pass period plate posterior present produced range records region relative remain reported ricinus rickettsiae rounded salivary scutum seasonal secretion segment sheep short shown side similar skin slightly species spur stages suggested surface takes temperature ticks tissues transmission transmitted unfed vector ventral virus wall weight