Water vapour uptake from the atmosphere and critical equilibrium humidity of a feather mite

  title={Water vapour uptake from the atmosphere and critical equilibrium humidity of a feather mite},
  author={Karl Gaede and Willi Kn{\"u}lle},
  journal={Experimental \& Applied Acarology},
  • K. GaedeW. Knülle
  • Published 1 March 1987
  • Environmental Science
  • Experimental & Applied Acarology
The feather miteProctophyllodes troncatus Robin takes up water vapour from subsaturated atmospheres down to relative humidities between 55% and 60%. Vapour uptake increases with rising humidity of the surrounding air and the time to attain maximum water gain decreases. 

On the water balance ofPhytoseiulus persimilis A.-H. and its ecological significance

  • K. Gaede
  • Environmental Science
    Experimental & Applied Acarology
  • 2005
The diurnal water vapour profile within the laminar layer at the leaf surface includes periods withWater vapour values high enough for these mites to utilize their water vapours sorption capability and to restore a previously-suffered water deficit.

Investigation into the critical equilibrium humidity, active atmospheric water absorption and water content ofRhipicephalus evertsi mimeticus

The critical equilibrium humidity for fully engorged nymphs ofRhipicephalus evertsi mimeticus was shown to be between 91% and 93.5% r.h., and for adult male and female ticks to be between 82% and

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Climate-Driven Variation in the Intensity of a Host-Symbiont Animal Interaction along a Broad Elevation Gradient

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Birds host a wide range of ectoparasites and have developed behavioural strategies to combat them, such as preening, dust bathing and water bathing. In addition, a wide range of avian taxa anoint

The Effect of Selective Logging on the Community of Chewing lice and Feather mites Associated with Forests Birds in Sabah, Malaysia

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Measure and compared survival probability and rate of dispersal to determine how these traits differ between two species of feather mites in the same genus and discovered that while the host generalist mite survived longer, the host specialist mite dispersed more quickly.

Is permanent parasitism reversible?--critical evidence from early evolution of house dust mites.

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Net water gain and loss by partially dehydrated female house dust mites, Dermatophagoides farinae, were measured in several combinations of water vapor activity (av) and temperature. At some specific

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Populations of flour mites reared at 95.5 and 75% RH contained respectively about 70 and 66% of water, the equilibrium moisture contents at these humidities, but increases did not lead to steady equilibrium levels; instead, they were superseded by decreases after about a day, or less, presumably because fasting weakened the ability to retain moisture.

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  • L. Arlian
  • Environmental Science, Biology
    Journal of medical entomology
  • 1975
Using tritium-labeled water (HTO) as a tracer, both males and females were found to exchange water with the ambient air from a large and a small water compartment, and males transpire water at greater rates than females.

The water-vapour uptake system of the phthiraptera

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Equilibrium humidities and survival of some tick larvae.

  • W. Knülle
  • Biology
    Journal of medical entomology
  • 1966
Equilibrium humidities of the larvae of 3 medically important tick species, the Rocky Mountain wood tick, Dermacentor andersoni (Stiles), the American dog tick, and the Cayenne tick, Amblyomma cajennense (Fabricius), were determined.

Water vapor intake and body water (3HOH) clearance in the housemite Glycyphagus domesticus.

The dynamics of body water in Glycyphagus domesticus (Deg.) are of interest because this species is one of the few arthropods having no tracheal system even in the adult stage, although it can absorb