Ticks and Disease |
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Page 25
following conclusions : “ ( i ) If the humidity is near the point of equilibrium , the
exchanges of water are determined by the relative humidity , e . g . at 25°C , 95 %
r . h . ( S . D . 1 . 2 mm Hg ) nearly all ticks ( i . e . I . ricinus ) take up water , yet at ...
following conclusions : “ ( i ) If the humidity is near the point of equilibrium , the
exchanges of water are determined by the relative humidity , e . g . at 25°C , 95 %
r . h . ( S . D . 1 . 2 mm Hg ) nearly all ticks ( i . e . I . ricinus ) take up water , yet at ...
Page 110
The relative humidity which favours the development of this race ranges from 74
to 90 % , with an optimum of 86 % , and within a temperature range of 67 – 75°F .
The “ fowl ” tampan is found in greater numbers at lower relative humidities ( 67 ...
The relative humidity which favours the development of this race ranges from 74
to 90 % , with an optimum of 86 % , and within a temperature range of 67 – 75°F .
The “ fowl ” tampan is found in greater numbers at lower relative humidities ( 67 ...
Page 226
The mat encloses a layer of air which is relatively still and insulated from the
variations both of temperature and , particularly , of the relative humidity of the
macroclimate . Two layers can be recognized within the mat : ( i ) the upper mat
for ...
The mat encloses a layer of air which is relatively still and insulated from the
variations both of temperature and , particularly , of the relative humidity of the
macroclimate . Two layers can be recognized within the mat : ( i ) the upper mat
for ...
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Contents
INTRODUCTION | 1 |
CUTICLETHE KEY TO Tick ADAPTABILITY | 10 |
EXTERNAL FEATURES OF SOME ECONOMICALLY IMPORTANT SPECIES | 27 |
Copyright | |
13 other sections not shown
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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
References to this book
Bibliographic information
| Title | Ticks and Disease Volume 9 of International series of monographs on pure and applied biology: Division, Zoology, ISSN 0074-8307 |
| Author | Don Ramsay Arthur |
| Publisher | Elsevier Science & Technology, 1962 |
| Original from | the University of Michigan |
| Digitized | 24 Jul 2008 |
| ISBN | 0080095801, 9780080095806 |
| Length | 445 pages |
| Export Citation | BiBTeX EndNote RefMan |