Biology of Ticks, Volume 1This is the first volume of a two-volume work on the basic biology, ecology, disease transmission and control of ticks. Ticks are parasitic insects that infect cattle, birds and people. The health and economic consequences of ticks are so considerable that most land- grant universities have tick laboratories associated with their entomology departments. In addition, state and federal health officials are concerned with disease transmission by ticks. This first volume covers the anatomy, functional morphology, physiology, reproduction, development and ecology of ticks. The descriptions are comprehensive and fully up-to-date. Entomologists, and in particular tick specialists (acarologists), as well as public health officials, will find this work of interest. It will also be extremely useful to advanced students beginning research in these fields. Volume 2 will focus on ticks and disease, with sections on immunological response to tick parasitism, and the control of ticks and disease. |
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Page 85
The Procuticle ( Figs 5.2–5.12 ) This region comprises the great bulk of the tick
cuticle , and may be as much as 50 um or more in thickness . In the cattle tick ,
Boophilus microplus , the alloscutum is highly folded , with folds penetrating 10–
12 ...
The Procuticle ( Figs 5.2–5.12 ) This region comprises the great bulk of the tick
cuticle , and may be as much as 50 um or more in thickness . In the cattle tick ,
Boophilus microplus , the alloscutum is highly folded , with folds penetrating 10–
12 ...
Page 93
Much remains to be learned about this highly adaptable structure . The major
components of the cuticle of all arthropods are protein and chitin . Lipids are also
important , but much lower in overall content than protein and chitin ( see below )
.
Much remains to be learned about this highly adaptable structure . The major
components of the cuticle of all arthropods are protein and chitin . Lipids are also
important , but much lower in overall content than protein and chitin ( see below )
.
Page 96
Molting is controlled by hormones . Following feeding in larvae and nymphs , the
epidermal cells commence secretion of new cuticle ( this new growth should not
be confused with cuticle growth during feeding of ixodid and larval argasid ticks ...
Molting is controlled by hormones . Following feeding in larvae and nymphs , the
epidermal cells commence secretion of new cuticle ( this new growth should not
be confused with cuticle growth during feeding of ixodid and larval argasid ticks ...
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Contents
INTRODUCTION | 3 |
EVOLUTION AND SYSTEMATIC RELATIONSHIPS OF TICKS | 13 |
ECOLOGY OF NONNIDICOLOUS TICKS | 23 |
Copyright | |
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Common terms and phrases
acids acini activity addition adjacent adults Amblyomma appear argasid ticks aspect attached behavior believed blood meal canal cavity cells changes Chapter characteristic cheliceral complex concentrations consists contain cuticle cycle cytoplasm Dermacentor described digestion digits dorsal duct ecdysteroids eggs electron engorged et al evidence extend fat body feeding females Figure fluid folded Following function genital genus glands granules groove hemolymph highly hormone host hypostome illustrating important increase indicate insects ixodid ticks known larvae lateral layer lipid located lumen males mated material Measurement bar membrane micrographs midgut muscles nerve noted numerous nymphs occur oocytes organ Ornithodoros outer oviposition paired period permission pheromone plate pore posterior production protein region representative response role salivary glands secretion segment sensilla showing similar Sonenshine species stage structure studies suggest surface surrounding synganglion tissues tubules types unfed variabilis ventral wall weight