Daily Archives: March 15, 2013

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Latest Bed Bug Incidents and Infestations Incident Radius: 30000 Miles 2614 COUNTRY ROSE CT, Madison, Wisconsin, United States, 53713 (2024-10-03) Edgewater Apartments 8525 106a Ave, Edmonton, Alberta, Canada, T5H0K1 (2024-07-24) New Cambridge Lofts 10024 Jasper Ave NW, Edmonton, Alberta, Canada, T5J 1R9 (2024-06-21) #12 14504 108th Ave Nw, Edmonton, Alberta, Canada, T5N1G8 (2024-04-22) Fern Lodge 460 E Fern Ave, San Bernardino, Redlands, California, United States, 92373 (2023-11-20) 143 Eighth Street, Etobicoke, Ontario, Canada, MV83C9 (2023-11-20) Underwood Senior Living 4850 Underwood Ave, Douglas, omaha, Nebraska, United States, 68132 (2023-11-02) 550 Westwood Drive South West, Calgary, Alberta, Canada, t3c3t9 (2023-10-29) 125 550 westwood drive southwest, calgary, Alberta, Canada, t3c3t9 (2023-10-29) BOB 550 WESTWOOD, WESTWOOD, CALGARY, Alberta, Canada, T3C3T9 (2023-10-29) We cannot vouch for the truthfulness of any report on this site. If you feel a location has been reported in error, or want to dispute a report, please contact us.

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How bed bugs ‘dodge insecticides’

Posted on March 15, 2013 by toronto Click Here For Article

14 March 2013 Last updated at 11:41 ET By Rebecca Morelle Science reporter, BBC World Service

Bed bugs use a range of tactics to render insecticides useless, a study suggests.

Infestations are on the rise around the world, but the pests are growing resistant to some chemicals.

Now scientists have found 14 genes associated with a number of biological changes.

These include the development of a thicker skin that stops poisons from penetrating, and mutations that prevent toxins from hitting the nervous system.

Bed bugs are employing more than one mechanism of resistance to avoid insecticide toxicity

The study, published in the journal Scientific Reports, also suggests that some of the bugs are producing higher levels of enzymes that help to metabolise insecticides more quickly.

Others genes are associated with proteins that interfere with the way the deadly chemicals are carried around the bed bugs' bodies.

Subba Palli, professor entomology from the University of Kentucky in the US and an author of the study, said that the hardy insects were using a combination of these molecular tricks.

"Some used four different mechanisms, some three and so on," he explained.

Continue reading here:
How bed bugs 'dodge insecticides'