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 59
These N , nymphs also attack hosts , feeding rapidly as did the larvae , and
retreating after their meals to molt in some sheltered locality . An important factor
enabling the nymphs to feed rapidly is their ability to eliminate excess blood meal
...
These N , nymphs also attack hosts , feeding rapidly as did the larvae , and
retreating after their meals to molt in some sheltered locality . An important factor
enabling the nymphs to feed rapidly is their ability to eliminate excess blood meal
...
Page 64
DEVELOPMENT AND REPRODUCTION Molting Having completed their blood
meal and dropped from their hosts , fed larvae or nymphs seek a sheltered
microhabitat for molting ( Fig . 3.8 ) . In the nonnidicolous species , these
environments ...
DEVELOPMENT AND REPRODUCTION Molting Having completed their blood
meal and dropped from their hosts , fed larvae or nymphs seek a sheltered
microhabitat for molting ( Fig . 3.8 ) . In the nonnidicolous species , these
environments ...
Page 382
Od 0.0d 0.0d 0.0d 0.0d 0.0d 5.0d 5 10 20 ' Fifty to 100 ticks were treated with
each dose . ? From Khalil et al . ( 1984a ) , with permission from the
Entomological Society of America . Group 3 - PA nymphs treated 3 days post -
attachment .
Od 0.0d 0.0d 0.0d 0.0d 0.0d 5.0d 5 10 20 ' Fifty to 100 ticks were treated with
each dose . ? From Khalil et al . ( 1984a ) , with permission from the
Entomological Society of America . Group 3 - PA nymphs treated 3 days post -
attachment .
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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