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Page 154
The excreta , as described by Lees ( 1946b ) , consist of white pasty masses of
guanine , undigested blood cells and a fluid which is free from guanine .
Excretion of a watery fluid from the Malpighian tubules has been reported from
the first ...
The excreta , as described by Lees ( 1946b ) , consist of white pasty masses of
guanine , undigested blood cells and a fluid which is free from guanine .
Excretion of a watery fluid from the Malpighian tubules has been reported from
the first ...
Page 158
This contraction enlarges the volume of the filtration chamber , and as it works
against the fluid resistance of the haemocoelic fluid a negative pressure relative
to that of the haemolymph is set up within the chamber . Fluid will pass into the ...
This contraction enlarges the volume of the filtration chamber , and as it works
against the fluid resistance of the haemocoelic fluid a negative pressure relative
to that of the haemolymph is set up within the chamber . Fluid will pass into the ...
Page 159
coxal fluid after feeding , each organ elaborates thirty times its own volume of
fluid in the space of 1 min , and such a fantastic rate of movement of fluid can only
be accounted for by ultrafiltration . That this is so is substantiated by the rapid ...
coxal fluid after feeding , each organ elaborates thirty times its own volume of
fluid in the space of 1 min , and such a fantastic rate of movement of fluid can only
be accounted for by ultrafiltration . That this is so is substantiated by the rapid ...
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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