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News from the College of Agricultural and Environmental Sciences

The tiny Asian longhorned tick (left) compared to the common Lonestar tick. CAES News
Asian Longhorned Tick
As of Sept. 21, an invasive and dangerous pest, the Asian longhorned tick, has been confirmed in north Georgia. Experts are warning livestock producers and the public to be on the lookout, as the ticks can kill an animal by attaching to a host by the hundreds.
Like many other mosquito species, the larvae of Culex pipiens, commonly referred to as the common house mosquito, require certain vitamins to grow. These nutrients are extremely unstable in aquatic environments, and UGA researchers have found that gut microbes have to produce these components continuously in order for organisms like mosquito larvae to develop. CAES News
Mosquito Microbiota
To most people, mosquitoes are a nuisance. To University of Georgia entomologist Michael Strand, learning about their development processes could lead to new approaches in mosquito control.
Common seasonal pests like (clockwise from top right) fire ants, houseflies, brown marmorated stink bugs and mosquitos (shown in standing water as larvae) can be controlled with simple tips from UGA Cooperative Extension. CAES News
Summer Pests
As a University of Georgia Cooperative Extension agent, I see a lot of insects. People leave jars of them on my desk, send me photos or call me out to their gardens to identify them and give control recommendations.
A supergene is a collection of neighboring genes located on a chromosome that are inherited together due to close genetic linkage. Studying these unique genes is important to understanding the potential causes for differences among the social structure of fire ants, specifically for controlling the species and building upon the existing knowledge base. CAES News
Fire ant supergene
A unique study conducted by University of Georgia entomologists led to the discovery of a distinctive supergene in fire ant colonies that determines whether young queen ants will leave their birth colony to start their own new colony or if they will join one with multiple queens. Researchers also found that ants were more aggressive toward queens who don’t possess the supergene, causing colony workers to kill them. This critical finding opens the door to new pest control methods that may be more efficient in eradicating problematic fire ant colonies. 
Yellow jacket encounters spike this time of year. As we spend more time outdoors, yellow jackets and wasps will be seen foraging more often. CAES News
Cool Weather Pests
As the weather cools across the state, several fall insects will begin to take center stage around Georgia homes. Be on the lookout for these nuisance pests and make preparations to deter them from entering your home for the winter.
Abnormally dry conditions this summer have kept Georgia's mosquito populations mercifully low, but that's no reason for Georgians to let down their guard, especially this season. CAES News
Mosquito Control
It officially turned summer this past weekend and the weather forecast seems to agree, with thunderstorms and warm nights in our future. These conditions are pretty typical for summer in Georgia — and excellent for mosquito development.
Subterranean termite swarmers are most commonly seen in spring and are a telltale sign of termite infestation. (Photo by Brian Forschler) CAES News
Home Termites
Border to border, the state of Georgia enjoys mild temperatures and more than adequate rainfall, which are perfect conditions for the growth of an abundance of insects, including subterranean termites.
A large snail species that is native to South America, island apple snails mature in 60 to 80 days and can live in water and on land for more than three years. A single adult snail can produce up to 2,000 eggs every two weeks. CAES News
Island Apple Snails
University of Georgia Cooperative Extension Agent Jessica Warren is doing her part to knock down populations of invasive snails in Camden County.
A bee collects pollen from a tomatillo flower in a garden in Butts Co., Ga. CAES News
Ground Bees
Ground-nesting bees and wasps may alarm people, but they are actually "good bugs" that pollinate plants and feed on harmful insect pests. 
A group of black flies CAES News
Black Flies
One of the best things about living above the fall line in Georgia has always been the lack of gnat swarms, but that seems to have changed this spring.