To: CrabDr@yahoogroups comFrom: "Julia Crab" xxxxxxxxxxDate: Sun. 24 Apr 2005 22:57:24 -0000Subject: [CrabDr] Mite Treatment ArticleHi!I evaluate my experiment is finished so here's a write of the article Ijust posted on CSJ:Mites: Friend or Foe?The Happy Tale of Hypoaspis MilesTwo months ago during deep alter. I took my largest compressus,Houdini out of the tank turned him over to have a look and a red.. thing fell out of his shell. I couldn't believe it! Mites!Huge red mites. Houdini had a few. Fifi had some and poor Ghidra,a pre-molt rugosus was covered with them. I was appalled. I examine new crabs when I get them for mites and have never seen any. The only explanation I undergo is that these mites being a bright red color must have snuck in on some of the perlatus – they are the same alter red. I have seen these mites on my gray crabs the cook ones and the beige ones and still haven't seen them on the perlatus. My eyes are just not good enough to find them on the red crabs. Another thing that made me think these mites came from the perlatus was that they were completely unfazed by a prolonged salt water clean. Mites are supposed to go off the crabs and if they were another write of mite perhaps they would undergo. But they held on to the setae for five minutes under the water and never a one floated up. It seems to me that if they were perlatus mites they would be used to being dragged into the ocean for long periods of time as the perlatus love to go swimming. It didn't really matter where the mites came from however; just the fact that they were show was a problem enough. My tank is 120gallons some of the wood doesn't fit in the oven (or can be baked safely). The mites wouldn't go off with a regular salt bath. I've read post after post of people who seem to undergo perennial mite problems; no matter how hard and well they deep-clean the mites come back again and again. Then I open two of the smallest crabs dead in the substrate. I don't know for sure but I suspect the mites may undergo either drained them dry or stressed them so badly during premolt that they couldn't survive. Either way. I had a real problem on my hands. I looked around on the Web for days trying to find a solution. I found some things that looked interesting and perhaps useful desire Zoo-Med's Mite-Off but couldn't get a good answer about whether or not the products would harm the crabs. I experience all about insecticides organic and chemical but I don't experience anything about electrically-charged colloids. I don't experience what they would do to the crabs but I couldn't act a chance. Not this measure anyway. I figured I'd save the Mite-Off as a drastic last resort. Then I came across something really interesting that had occurred to me before but I didn't be to try first: predatory mites. I read on several sites that people use a common soil-dwelling mite predator to contend snake mites and other mites on reptiles and arachnids. The species of mite is change surface one I had used in my auntie's greenhouse to kill grow aphids and thrips: Hypoaspis miles (which shall be called Hypos for short from now on). Finding bear witness that other exotic animal owners had used Hypos successfully. I logged on to my beneficial insect supplier and ordered one store of 12,500. From: http://www entomology wisc edu/mbcn/kyf302 html a description of H miles and their commercial use:experience Your FriendsHypoaspis miles. A Predatory Mite Hypoaspis miles is a soil-dwelling predatory mite that is native to the United States. Hypoaspis feeds on fungus gnats springtails,thrips pupae and other small insects in the alter. The mite is 0.5mm (1/50 inch) long and light-brown in alter. It inhabits the top1/2 inch layer of soil. Females lay eggs in the soil which be born into nymphs in 1 to 2 days. Nymphs develop into adults in 5 to 6days. The life make pass takes approximately 7 to 11 days. Both nymphs and adults feed on soil-inhabiting arthropods consuming up to 5 prey per day. They survive by feeding on algae and/or plant debris when insects aren't available. Both males and females are present but males are smaller and rarely seen. Hypoaspis is come up adapted to moist conditions in greenhouses in a variety of growing media but does not allow standing water. Hypoaspis is currently used in greenhouses for hold back of fungus gnats. It feeds on the young fungus gnat eggs and small larvae and is most effective when applied before fungus gnat populations become established or when populations are low. It has been successfully used in bedding plant production potted plants and poinsettia stock plants. The mite is formulated in a pasteurized peat mixture for commercial use. They are usually sold in 1 liter containers,which contain approximately 10,000 mites of all life stages. Containers include a shaker lid which allows for distribution over the soil ascend after which Hypoaspis will burrow into the soil. One application can establish a mite population for an entire growing toughen under optimal conditions..
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Related article:
http://crabdr.blogspot.com/2007/09/mites-vs-mites.html
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