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Mutant roaches evolve to avoid traps

Posted on Saturday, 25 May, 2013 | Comment icon 19 comments | News tip by: Still Waters

Image credit: CC 2.0 Thomas Quine

Cockroaches may be evolving the ability to avoid common traps by developing an aversion to sugar.

A cockroach infestation in one's home can be a particularly nasty experience and require the services of an exterminator, but now it seems that some mutant German roaches are getting wise to the traps used to catch them and are now able to avoid them. The way they accomplish this is by no longer finding sugar palatable, the substance that is most commonly used as a bait on cockroach poisons.

While this mutation is not present on all cockroaches, it does exist and it appears to be getting more widespread. "It's very important, in terms of effective pest control," said study author Coby Schal. "It's not trivial. It's out there."

"Roaches that have been hard to trap may be a variety that find sugar doesn't taste quite so sweet as bait anymore, a study suggests."

  View: Full article |  Source: Sydney Morning Herald

  Discuss: View comments (19)


Recent comments on this story
Comment icon #10 Posted by pallidin on 25 May, 2013, 18:28
True enough, Halfpipe.
Comment icon #11 Posted by ashven on 25 May, 2013, 19:49
I guess thats why they've survived so well for so long the ability to adapt and overcome
Comment icon #12 Posted by Lava_Lady on 25 May, 2013, 21:51
Bugs are so alien looking to us, so not fuzzy and warm we see them as vile and disgusting but I'm pretty sure they think we are too. So, it's all good. Plus, I have a feeling that if things were the other way around the roaches would not have even a tiny fraction of tolerance for us. Viva le differance
Comment icon #13 Posted by Heaven Is A Halfpipe on 25 May, 2013, 23:52
I think some spiders are beautiful The only known vegetarian spider in the world :') c'mon, this is pretty, no? Yeah I know, not all creepy crawlies look that nice but I do think deep in our subconscious, we're naturally wary of them because of how big they used to be (for our ancestors) and some believe spiders in those times would have been capable of hunting humans. I try to find the beauty in all living things, though it's not always easy.. Exhibit A...
Comment icon #14 Posted by paperdyer on 26 May, 2013, 1:18
My house in PA was infested with them. They are harder to kill. I had to fumigate the whole house and be out of it for 24 hrs.
Comment icon #15 Posted by paperdyer on 26 May, 2013, 1:22
Shoes work real well. I have the same policy. They come I my house, they die. I had a Tom cat that would catch them and play with them until he killed them. He'd leave them lay where ever he was done with them. My wife and I would find them in the most interesting places.
Comment icon #16 Posted by Lava_Lady on 26 May, 2013, 6:27
Spiders have a dangerous yet sexy quality even though they are very different from us. I often feel we are on the same side when it comes to the battle against the roach..." the enemy of my enemy is my friend" I've put a lot of thought into the killing of bugs because I live in a tropical climate and no one is sans roach, termite, ants, the occasional scorpion or centipede and various other "annoyances" to modern day humans. Because I am an empath I project my feelings onto the thing I kill and it used to give me a great deal of guilt. Well, at some point I had... [More]
Comment icon #17 Posted by Lava_Lady on 26 May, 2013, 6:31
lol, Cats have the strangest sense of humor, don't they? I'm glad your tom cat didn't eat them... ugh.
Comment icon #18 Posted by Lava_Lady on 26 May, 2013, 6:32
In their own tiny brains, that is the truth.
Comment icon #19 Posted by highdesert50 on 26 May, 2013, 12:29
The benefits of a lifespan of only a one or two years certainly permits greater opportunity to evolve change and assure success of the species.

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