Race Plus Roaches: A Breathtaking Link
...ere 11.9 times more likely to be affected by roach infestation than those from middle or high income families. The study in the June issue of The Journal of Allergy and Clinical Immunology is also the first to report that children in the most infested homes are the most sensitive to the allergens, a clear indic...Southern Pine Beetle Reaching Outbreak Levels In North Florida
...o-year period because ofa delay in recognizing the infestation and then removing the affectedtrees. With the increasing acreage of mature loblolly pine in Florida, it'sa scenario foresters, farmers and communities want to avoid. "As one of my retired colleagues has said, we've been setting the table forthe South...Bark Beetle Infestation Spurs Multifaceted Study
University Park, Pa. -- A beetle infestation near Lake Tahoe, Nev.,may lead to a better understanding of pre-European contact forest ecologyand shed light on the early history of the area, according to a Penn Stategeographer. Researchers are looking at the history of the forests, the incidence...Asian Beetle, New In This Country, Threatens Brooklyn's Shade Trees
...ave confirmed what they believe is the first known infestation of an Asian longhorned beetle, Anoplophora glabripennis, a large beetle that is attacking Brooklyn's horsechestnut and Norway maple tree population. The Norway maple is the most planted shade tree throughout New York state. This beady-eyed beetle, ab...Isle Royale Moose Continue Decline
...tressed from lack of food, deep snows, and a heavy infestation of winter ticks. The moose population was dealt yet another blow, the late arrival of spring greenup, which resulted in additional moose mortality from starvation. Dr. Rolf Peterson, a wildlife biologist at Michigan Technological University, conducts...Careful Honeybee Breeding Combats Tracheal Mite Pests
...reeding program is responsible for cuttingthe mite infestation in the NWC population from about 50 percent to 1 percentin 6 years. Rather than figure out exactly how the bees develop resistance -- whichCobey says would be too lengthy a task -- she and the other researchersare simply selecting and breeding ...Research Into Cockroach Behavior Could Lead To Better Baits
...between cockroaches," Miller said. "If you have an infestation and have a lot of fecal material around, it advertises, 'Hey, this is a good cockroach place.'" The housekeeping ramifications have yet to be investigated, she said. She is not sure whether soap and water would be enough to disrupt the trails, and, o...Fish Farmers Must Learn Zebra Mussel Prevention From A To Z
...reating a prevention plan to head off zebra mussel infestation along with a monitoring program if an operator suspects that a pond may be affected. "It's called a Zebra Mussel Critical Control Point Program, where operators identify the points of their operation that may be susceptible to zebra mussel introducti...Peas With Built-In Weevil Resistance
... he says. "In these countries, a small weevil infestation in a storage bin can lead to near-total crop losses six months later," says Dr Higgins. The CSIRO scientists are working in collaboration with scientists from the University of California and the Purdue University. The research is supported by ...Russian Queens Bee-Little Mites' Impact
...s of their species, Apis mellifera , in resisting infestation by varroa mites. This parasite, which first turned up among U.S. honeybees 11 years ago, has taken a devastating toll. Feeding off their hosts' blood, the energy-sapping mites weaken and soon kill the bees (SN: 2/8/97, p. 92). Moreover, mites i...Isle Royale Wolves Bounce Back
...erally in poor condition due to a heavywinter tick infestation caused by the mild winter and early spring of a yearago," he says. "The unusual heat of the summer also made it difficult for themto put on the fat required to survive through the winter." Peterson says theresulting diminished vigor made moose easier...... also result in higher tick production and greater infestation on moose. "This was almost a non-winter on Isle Royale," said Peterson. "So for the moose's sake, we should hope for a cool, moist summer. The short-term success of the island's herd probably depends as much on the weather as anything else."...ORNL instrument could spell doom for Asian beetles
...ment that can detect the bugs and determine if the infestation is by the Asian Longhorned Beetle," Smith said. Initial results gained with acoustic sensors and a laptop computer loaded with the algorithms are encouraging. "Our algorithms have been successful in detecting larvae in sample logs and in trees in nat...Isle Royale wolves fewer, but thriving
...ol. Those same conditions led to an increased tick infestation the following winter, which further weakened the islands moose. The result was that probably fewer than 100 calves were born in 1999---and calves provide the most reliable prey for wolves. With heavy snow cover on Isle Royale this winter, wolves ...Household ant invasions are determined by weather, not pesticide use, new study finds
... write, noting that a smaller peak in the level of infestation occurs during hot, dry conditions - typically in A...ns, although some did reduce insect abundance when infestation was high following a rainstorm or during periods of drought. Even then, sprays proved to be only sli...... But with IPM, chemicals are used only when a pest infestation has been detected, and then the chemical of choice is likely to be a new, so called reduced-risk variety, a name given by the EPA to chemicals deemed safer to workers and to the environment because they either require a smaller dose, degrade more qui...Wolves decline, moose increase
...a warm, dry spring, could mean an increase in tick infestation of moose," he said. High winds in December also caused a large blow-down of the balsam firs on the western half of the island. The moose prefer these for food. "We lost 16 percent of the fir trees on the western half this winter," he said. "In the la...Tent caterpillars and their parasites
...tors which cause collapse of the tent caterpillars infestation (parasites and disease) are more effective than th...atural enemies-helping to extend the length of the infestation by several years."......ing harder to control and the chances of increased infestation are certainly higher," Clark said. "The longevity of effective control provided by permethrin is in serious jeopardy unless effective monitoring of this resistance is begun and coupled with the use of new and novel acting pediculicides." Permethrin ......meals made from the oil extracted seed. Aflatoxin infestation is favored by drought conditions and occurs primarily in corn kernels damaged by insects and drought. Fumonisin is produced in corn by the fungus/mold Fusarium moniliforme. Its development is favored by high humidity and overcast skies. These condi...