Cooperative Extension San Joaquin County
University of California
Cooperative Extension San Joaquin County

Posts Tagged: Walter Leal

Heaven-Scent

Culex quinquefasciatus laying eggs

Whew, that stinks! If you've ever smelled a mosquito gravid trap, you know it's not heaven-scent. This isn’t about the aroma of summer roses or the whiff of freshly baked cinnamon rolls or the fragrance of vanilla-laced skin...

Culex quinquefasciatus laying eggs
Culex quinquefasciatus laying eggs

Culex quinquefasciatus mosquito laying eggs. (Photo by Samuel Woo, UC Davis)

Water for mosquito gravid trap
Water for mosquito gravid trap

This container of "smelly" water is being used by UC Davis entomology graduate student Tara Thiemann for her gravid mosquito traps. Gravid traps attract blood-fed mosquitoes ready to lay their eggs. (Photo by Kathy Keatley Garvey)

Posted on Tuesday, August 26, 2008 at 4:08 PM

The Secret's Out

Culex quinquefasciatus

We know it works, but how?   Just how does DEET work? Does it jam the senses of a mosquito? Does it mask the smell  of the host?   You spray the chemical repellent on your arm and thankfully, those darn skeeters leave...

Culex quinquefasciatus
Culex quinquefasciatus

Culex quinquefasciatus, the Southern house mosquito, finishes feeding on non-DEET treated skin. (Photo by Kathy Keatley Garvey)

Spraying DEET
Spraying DEET

UC Davis researcher Zain Syed (right) sprays DEET on the arm of chemical ecologist Walter Leal. (Photo by Kathy Keatley Garvey)

Posted on Monday, August 18, 2008 at 2:13 PM

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