Bugs/mites identification and help please

Nov 5, 2018
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Birmingham UK
A few weeks ago I found a couple of tiny crawling bugs on eggs that a hen was sitting on. This is the first time in four years of keeping chickens that I have encountered what I suspect to be either red mite or Northern fowl mite (in the past I've had small problems with scaly leg mite and depluming mites).

The bugs on the eggs squashed red from the blood inside but I hoped they were Northern fowl mites because this meant they would be living on the birds only, from my research.

So I treated my whole flock with ivermectin drops on the back of the neck. I also cleaned out and replaced all the nest box material and wood shavings around the coop, but my coop is old and rather shoddily built/pieced together by myself so has lots of nooks and crannies in old wood that makes it hard to deep clean.

Now a couple of weeks later I was scraping up the poop from the bottom of the coop and then found several little bugs on my hand. On closer inspection they seem to not have ingested any or much blood because when I squished them they were clear/grey. I'm worried this means they are red mites living in the bedding or wood and not feeding on the chickens at present because the chickens still have ivermectin in their bloodstream (effective for around 4 weeks the box said).

But how long can mites live without feeding on the chickens? And aren't red mites supposed to look red at all times anyway? Just what kind of bugs am I dealing with here?

I have attached some photos of the apparently bloodless bugs I found today.
Does any know just by looking at them what kind of mites these are?
Also do those bug smoke bomb things work? because I was thinking to try to use them in my coop, instead of some kind of spray or dust since my coop has so many areas that are harder to treat.
 

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Mites can live around a month off of the host as you can see on the bottom of the chart. The best way to get rid of them is to spray every inch of the coop thoroughly, every crack and crevice. I use permethrin concentrate and put it in a gallon sprayer mixed with water. I like the wand to get to the hard to reach areas in the coops. Permethrin is very cost effective. There are other products such as Elector PSP but it is quite expensive and even though some say once is enough with Elector PSP, in their fact sheet it says that repeat sprayings may be necessary to get rid of the mites. With the permethrin I usually spray once a week for about 4 weeks and use poultry dust in the nest boxes. It works. If you have a TSC they carry the permethrin dust, the premixed spray bottles and the concentrate. Good luck...



MIteLifeCycle.jpg
 

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