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 142
... duct . These acini open directly into the main duct . In contrast , the granular types II , III and IV acini occur more posteriorly , and comprise grape - like clusters surrounding secondary ducts that ramify among the lobes . Most of ...
... duct . These acini open directly into the main duct . In contrast , the granular types II , III and IV acini occur more posteriorly , and comprise grape - like clusters surrounding secondary ducts that ramify among the lobes . Most of ...
Page 145
... duct . 8.6 . Two type I acini adjacent to the edge of the main salivary duct . Note the highly folded appearance of the membranes just below the basal lamina . A small nerve occurs between the acini and the edge of the main duct ...
... duct . 8.6 . Two type I acini adjacent to the edge of the main salivary duct . Note the highly folded appearance of the membranes just below the basal lamina . A small nerve occurs between the acini and the edge of the main duct ...
Page 146
... ducts . Secretions are directed into these small ducts where they accumulate and pass into the main salivary duct . All granular acini have certain features in common . There is a bifurcate acinar duct connecting the acinus with the lobular ...
... ducts . Secretions are directed into these small ducts where they accumulate and pass into the main salivary duct . All granular acini have certain features in common . There is a bifurcate acinar duct connecting the acinus with the lobular ...
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