News Stories - Page 68

CAES News
Aphids vs. wasps
Nature is a system of checks and balances, as is the case between aphids and wasps. Aphids feed on plants; wasps lay eggs inside aphids, killing them and increasing plant production. Some aphids harbor bacterial symbionts, or smaller organisms that live in close association with a host, that provide protection by killing the internally developing wasps. Wasps are able to decipher which aphids are infected and use superparasitism to override the poison.
Hemlock wood adelgids on an Eastern hemlock branch CAES News
Hemlock pest
Thousands of broken trees line the banks of the Chattooga River. The dead gray stabs were once evergreen monsters offering shade to trout and picturesque views to visitors. These Eastern hemlocks are dying rapidly, and University of Georgia researchers are working to save them.
Engraver beetles leave pin-sized holds in the bark of pine trees when they exit the tree. CAES News
Pine bark beetles
Pine bark beetles can be the death of pines in forests and home landscapes.
The bean plataspid or kudzu bug CAES News
Keep out kudzu bugs
Temperatures are finally dropping in Georgia and people are staying inside to keep warm, and so are the famous kudzu bugs. University of Georgia experts offer tips on how to keep the tiny pests from invading your home.
A young visitor to the UGA Pavilion at the 2011 Sunbelt Ag Expo in Moultrie, Ga., Oct. 19 learns about giant cockroaches. CAES News
Expo weathers on
Despite an uncomfortable mix of wet, cold and windy weather, North America’s premier farm show, the Sunbelt Ag Expo, marched on this week in Moultrie, Ga. More than 70,000 visitors perused the wears of 1,200 vendors, a North Carolina farmer was tapped as the Southeast’s top and land-grant universities brought their messages to the masses.
Brown marmorated stink bug adults are 5/8 inch in length and are dark mottled brown. Antennas and exposed areas of the abdomen are banded. They were discovered in the U.S. in Allentown, Pa., in 2001. CAES News
Stink bug
More than 200 species of stink bugs call North America home. As many as 60 species live in Georgia. One more was recently discovered in southern South Carolina. The brown marmorated stink bug, or Halyomorpha halys, will likely soon invade Georgia, according to a University of Georgia entomologist.