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 23
... early Ordovician periods ) , at the time when large , bottom feeding aquatic arthropods were abundant . The ... early Mesozoic eras when reptiles first appeared . Oliver ( 1989 ) , however , suggests that the earliest hosts of ancestral ...
... early Ordovician periods ) , at the time when large , bottom feeding aquatic arthropods were abundant . The ... early Mesozoic eras when reptiles first appeared . Oliver ( 1989 ) , however , suggests that the earliest hosts of ancestral ...
Page 24
... early amphibian , reptilian and , subsequently , avian hosts radiated and colonized diverse habitats , the ancestral ... early metastriate ancestors are thought to have resembled the largest and structurally primitive examples extant ...
... early amphibian , reptilian and , subsequently , avian hosts radiated and colonized diverse habitats , the ancestral ... early metastriate ancestors are thought to have resembled the largest and structurally primitive examples extant ...
Page 374
... early embryo , or at least its ventral side . Other differences occur during gastrulation . Only 2 well defined layers , the external ectoderm and the internal endoderm , differentiate . Evidence for the embryonic endoderm is mixed and ...
... early embryo , or at least its ventral side . Other differences occur during gastrulation . Only 2 well defined layers , the external ectoderm and the internal endoderm , differentiate . Evidence for the embryonic endoderm is mixed and ...
Contents
INTRODUCTION | 3 |
EVOLUTION AND SYSTEMATIC RELATIONSHIPS OF TICKS | 13 |
ECOLOGY OF NONNIDICOLOUS TICKS | 23 |
Copyright | |
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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