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Effects of low ph and high temperature on hatching and survival of the water mite Unionicola foili (Acari: Unionicolidae).
ABSTRACT. Adult females, larvae, and eggs of the water mite Unionicola foili were removed from their host mussel Utterbackia imbecillis, and their tolerance to varying pH (4.1, 5.2, 7.0, and 7.8) and temperature (25 [degrees], 33 [degrees], and 38 [degrees] C) was examined. Longevity of adult U. foili was significantly reduced at pH 4.1, whereas survival of larvae was significantly reduced at pH 5.2. Hatching of mite eggs was unaffected by exposure to low pH. Survival of adult mites was significantly reduced when exposed to increasing temperature treatments. Larval mites experienced a significant decrease in survivorship at 33 [degrees] C, but exposure to higher ...
- New ecography data have been reported by scientists at Carleton University.
- Newspaper article from: Ecology, Environment & Conservation November 6, 2009 700+ words
...effect of artificial habitat in altered landscapes on species interactions and their suite of enemies is largely unknown. Water mites have been associated with reduced fitness of model damselflies." "Mite parasitism was variable, but higher for Ischnura...
- ANIMALS EAT THE WEIRDEST STUFF!
- Magazine article from: Ranger Rick Swanson, Diane February 1, 2000 700+ words
...needs protein from blood to nourish her eggs. Check out the mosquito below. While she sucks a person's blood, little red water mites are sucking blood from her! Now, isn't that a strange twist? EYE Sips Here's something that will make your eyes water...
- Mighty Mites Ubiquitous, Inconspicuous, Harmful, Helpful.(Agricultural Research...
- Agricultural Research Schauff, Michael E. October 1, 2000 700+ words
...0.4 inches long--among the giants of the Acari--can be seen hunting on the ground or on tree trunks. And although water mites are rarely more than a few millimeters long, their bright colors and rapid movement often bring them to our attention. Unfortunately...
- Mites
- Encyclopedia entry from: The Gale Encyclopedia of Science January 1, 2008 700+ words
...species of mites are aquatic, including some relatively large and attractive, bright-red or green-colored species known as water-mites commonly in the genus Arrenurus. Some species of mites are important pests of agricultural plants. Certain species of spider...
- Investigators at Roehampton University have published new data on engineering...
- Newspaper article from: Journal of Engineering September 23, 2009 700+ words
...Niphargus glenniei(a further two endemic crustaceans are also known from the Republic of Ireland). Additionally, a suite of water mites (18 species) is found in the interstitial habitats of running waters in Great Britain. Niphargus glenniei was recently...
- Chick development key for success.(Research)
- Magazine article from: Feedstuffs Lundeen, Tim June 2, 2008 700+ words
...poultry meals and 0.4% of poultry extrusions testing positive for salmonella in 2006. However, farmers need to be aware that salmonella can enter poultry farms through drinking water, mites and wild animals, and this is particularly importa
- The green thumb.
- Magazine article from: Consumers' Research Magazine Abraham, George Abraham, Katy January 1, 2003 700+ words
...can you tell me how to get rid of spider mites again? A. To control for spider mites, sponge the leaves off with soapy water. Mites aren't insects. They have eight legs and two body regions, lack antennae, and are related to spiders and ticks. With...
- Study results from V. Pesic and colleagues broaden understanding of zoology.
- Newspaper article from: Journal of India June 30, 2009 700+ words
'New records of water mites (Acari: Hydrachnidia) from the Indian Himalayas are reported. Seven species new to science: Sperchon schwoerbeli sp. nov...
