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 97
In my own experiments with D. variabilis , adult females held in dry air lost weight
very gradually , and none died until they had lost more than 30 % of their original
body weight ( measured at emergence ) . During the first 10 days , female ...
In my own experiments with D. variabilis , adult females held in dry air lost weight
very gradually , and none died until they had lost more than 30 % of their original
body weight ( measured at emergence ) . During the first 10 days , female ...
Page 181
VOLUME AND COMPOSITION OF INGESTED BLOOD MEAL Ticks ingest very
large quantities of blood during their feeding episodes . In argasid ticks , the
volume of blood ingested is several times the pre - feeding body weight , often 5–
10 ...
VOLUME AND COMPOSITION OF INGESTED BLOOD MEAL Ticks ingest very
large quantities of blood during their feeding episodes . In argasid ticks , the
volume of blood ingested is several times the pre - feeding body weight , often 5–
10 ...
Page 183
According to these authors , fully engorged females took up as much as twice
their own weight of blood components , i.e. , they concentrated the ingested
blood meal twofold . Although the ratio of blood consumed to final engorged
weight of ...
According to these authors , fully engorged females took up as much as twice
their own weight of blood components , i.e. , they concentrated the ingested
blood meal twofold . Although the ratio of blood consumed to final engorged
weight of ...
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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