However, certain stink bugs are beneficial, such as Podisus nigrispinus (Dallas), a predatory stink bug that is considered an important biological control agent for various insect pests of cotton, soybean, tomato, corn, kale, and other crops.
A female of Podisus nigrispinus is shown preying on a caterpillar of Plutella xylostella.
Credit: Alessandra Marieli Vacari
Now a new study appearing in Annals of the Entomological Society of America called "Effect of Egg Rearing Temperature and Storage Time on the Biological Characteristics of the Predatory Stink Bug Podisus nigrispinus (Hemiptera: Pentatomidae)" may aid companies that rear these beneficial insects and the growers who use them in the field. This is the first study to examine the storage technique for the predator P. nigrispinus to improve its mass rearing in laboratory conditions without compromising the quality of insects produced.
"Our goal was to evaluate the effect of low temperatures on the biological characteristics of P. nigrispinus, with the aim of optimizing mass-rearing programs for this potential biological control agent," the authors wrote. "The successful storage of eggs at a low temperature is important for the use of natural enemies in pest control programs, as it allows greater flexibility in the mass-rearing process. It also increases the availability of insects for release in the field at the earliest opportunity."
The researchers found that the optimum temperature for P. nigrispinus eggs to be stored is 15 degrees celsius, and that the eggs could be stored for up to 17 days without significantly affecting most of the biological characteristics analyzed in the study.
"Our results suggest that low temperatures can be used to store eggs for mass rearing of this potential biological control agent," the authors write. "This would allow P. nigrispinus to be used in augmentative releases that could be coordinated with pest outbreaks in the field."
The full study (DOI: http://dx.doi.org/10.1603/AN13027) is published in the January 2014 edition of Annals of the Entomological Society of America.
Annals of the Entomological Society of America is published by the Entomological Society of America, the largest organization in the world serving the professional and scientific needs of entomologists and people in related disciplines. Founded in 1889, ESA today has more than 6,500 members affiliated with educational institutions, health agencies, private industry, and government. Members are researchers, teachers, extension service personnel, administrators, marketing representatives, research technicians, consultants, students, and hobbyists.
Richard Levine | EurekAlert!
03.09.2015 | American Society of Agronomy
Increasingly severe disturbances weaken world's temperate forests
31.08.2015 | USDA Forest Service - Pacific Southwest Research Station
In a survey of NASA's Hubble Space Telescope images of 2,753 young, blue star clusters in the neighboring Andromeda galaxy (M31), astronomers have found that M31 and our own galaxy have a similar percentage of newborn stars based on mass.
By nailing down what percentage of stars have a particular mass within a cluster, or the Initial Mass Function (IMF), scientists can better interpret the light...
Researchers at the Fraunhofer Institute for Solar Energy Systems ISE have developed a highly compact and efficient inverter for use in uninterruptible power...
China's Loess Plateau was formed by wind alternately depositing dust or removing dust over the last 2.6 million years, according to a new report from University of Arizona geoscientists. The study is the first to explain how the steep-fronted plateau formed.
China's Loess Plateau was formed by wind alternately depositing dust or removing dust over the last 2.6 million years, according to a new report from...
The leaves of the lotus flower, and other natural surfaces that repel water and dirt, have been the model for many types of engineered liquid-repelling surfaces. As slippery as these surfaces are, however, tiny water droplets still stick to them. Now, Penn State researchers have developed nano/micro-textured, highly slippery surfaces able to outperform these naturally inspired coatings, particularly when the water is a vapor or tiny droplets.
Enhancing the mobility of liquid droplets on rough surfaces could improve condensation heat transfer for power-plant heat exchangers, create more efficient...
Longer, more severe, and hotter droughts and a myriad of other threats, including diseases and more extensive and severe wildfires, are threatening to transform some of the world's temperate forests, a new study published in Science has found. Without informed management, some forests could convert to shrublands or grasslands within the coming decades.
"While we have been trying to manage for resilience of 20th century conditions, we realize now that we must prepare for transformations and attempt to ease...
03.09.2015 | Event News
20.08.2015 | Event News
20.08.2015 | Event News
04.09.2015 | Power and Electrical Engineering
04.09.2015 | Machine Engineering
04.09.2015 | Materials Sciences