Biocontrol of sweetpotato weevils
University of Guam scientist Dr. Gadi V.P. Reddy is developing an integrated control strategy to manage sweetpotato weevil populations using pheromone traps and lethal fungi, eliminating toxic pesticides.
Entomology
Articles tagged with Entomology
Entomologists launch the 5,000 Insect Genome Project (i5k)
The i5k Initiative aims to sequence the genomes of 5,000 insects and other arthropods over five years. This will provide valuable information for developing new pesticides, understanding disease transmission, and controlling agricultural pests. The project's leaders invite entomologists worldwide to contribute to the effort.
Illinois entomology professor May Berenbaum to receive 2011 Tyler Prize
May Berenbaum, an expert on bees and pollinators, receives the 2011 Tyler Prize for her groundbreaking research on declining bee populations. She has also made significant contributions to public understanding of science through her writing and advocacy.
ESA members take part in National Bed Bug Summit
Entomologists presented various methods of bed bug control, emphasizing prevention and non-chemical approaches. The summit highlighted the need for continued research into bed bugs, with a focus on improving public awareness and community involvement in control efforts.
Identity theft by aphids
Researchers discovered aphids on ginger and heliconia plants have genetic differences from those on banana plants, reclassifying them as a separate species Pentalonia caladii. This finding has significant implications for the biological control of banana aphids and preventing the spread of BBTV.
Potential hemlock hybrids tolerant to invasive hemlock woolly adelgid
Researchers have developed 140 hemlock hybrids that are tolerant to the invasive hemlock woolly adelgid (HWA), a devastating insect affecting eastern US forests. The most tolerant species is T. chinensis and its hybrids, which show good vigor and shape, providing a potential solution for saving US natural ecosystems.
Transgenic corn suppresses European corn borer, saves farmers billions
A new study finds that transgenic corn's suppression of the European corn borer has saved $3.2 billion for corn growers in Illinois, Minnesota, and Wisconsin over the past 14 years. Non-Bt corn growers also benefited from yield savings without the cost of Bt technology fees.
Researchers sequence genome of mosquito that spreads West Nile virus
Researchers at UC Riverside have sequenced the genome of Culex quinquefasciatus, a mosquito that spreads West Nile virus and other diseases. The study provides insights into the genetic makeup of the mosquito and could lead to novel strategies for preventing disease transmission.
Bee pastures may help pollinators prosper
The USDA research found that bee pastures can support the growth of healthy young bees by up to fivefold a year. The pastures feature native California plants such as Chinese houses and lacy phacelia, providing a practical and environmentally friendly way to promote pollinator populations.
Kenneth F. Raffa to give Founders' Memorial Lecture at Entomology 2010
Dr. Kenneth F. Raffa, a renowned expert in forest entomology, has been selected to deliver the Founders' Memorial Award lecture at Entomology 2010. He will honor the memory of Dr. Andrew Delmar Hopkins, considered the father of North American forest entomology.
UC Riverside entomologist helps manage invasion threats posed to California's avocados
Mark Hoddle, a UC Riverside entomologist, is searching for invasive pests that could threaten California's $320 million avocado industry. He has already collected over 300 pest-infected avocados from Peru and is working to identify natural enemies.
Penn State receives Grand Challenges Explorations grant for innovative global health research
Consuelo De Moraes at Penn State has received a $100,000 grant to investigate the link between malaria infection and odor cues that attract mosquitoes. Her research aims to identify a chemical signature of malaria infection, potentially leading to new diagnostic tools.
Entomologist May R. Berenbaum wins Public Understanding of Science Award
May R. Berenbaum, a renowned entomologist, has been awarded the AAAS Public Understanding of Science and Technology Award for her extraordinary ability to integrate scientific discovery with public outreach. Her work has had a significant impact on fields such as chemical ecology, agriculture, and environmental conservation.
Virus pulls bait and switch on insect vectors
A common plant virus attracts aphids by elevating the odor cue of infected plants without changing it. The insects transmit the disease efficiently despite leaving quickly, implying a persistent mode of transmission beyond agriculture.
Biofuel crop diversity adds value, Michigan State researchers say
Michigan State University scientists found that diverse biofuel plantings attract more beneficial insects than single crops like corn. The research suggests that biofuel policies should consider the added benefits of insect attraction to inform policy decisions.
3 UC Riverside entomologists honored by Entomological Society of America
Three UC Riverside entomologists, Timothy Paine, Bradley Mullens and Allison Hansen have won prestigious awards from the Entomological Society of America. Paine received the Distinguished Achievement Award in Horticultural Entomology for his work on improving integrated pest management of woody ornamental plants.
Entomological Society of America names 2009 award winners
The Entomological Society of America has recognized outstanding achievements in entomology through its 2009 awards. Notably, Dr. Shripat T. Kamble received the Honorary Member award, while Dr. Timothy D. Paine was honored with the Distinguished Achievement Award in Horticultural Entomology.
University of Guam entomologist secures USDA funding for weevil control
A $75,000 USDA grant will support environmentally friendly control tactics to reduce insecticide use and protect palm trees. Dr. Gadi V. P. Reddy's research team will develop pheromone traps and experiment with fungal spores to tackle the New Guinea sugarcane weevil threat.
UOG scientists successfully compete for research grants
Researchers at the University of Guam's WPTRC have secured funding from the EPA, USDA, and NOAA to address environmental concerns and improve agricultural practices on the island. The awards aim to develop ecologically sound pest management methods and protect endemic species.
IPM reduces cockroaches and allergens in schools
Using integrated pest management (IPM) can significantly reduce cockroach populations and associated allergen concentrations in schools. A new study found that IPM is more effective than conventional methods in reducing asthma incidences among inner-city children.
How social insects recognize dead nestmates
UC Riverside entomologists discover that Argentine ants use a different mechanism to recognize dead nestmates, triggered by the dissipation of life chemicals. The researchers found that live ants produce both life and death chemicals, while dead ants only produce death chemicals, leading to their removal from the colony.
New Southern California beetle killing oaks
A rare beetle, Agrilus coxalis, has attacked 67 percent of oak trees in an area east of San Diego, threatening fire danger and wildlife habitats. The beetle's origin and spread are still unknown, but research is needed to determine its distribution, seasonal active periods, and natural enemies.
Guam rhino beetles got rhythm
Researchers used acoustic equipment to analyze the spectral patterns of stridulations produced by Guam's coconut rhinoceros beetle, revealing distinct temporal patterns that aid in communication among beetles. The method allows for early detection of feeding grubs, saving money and lives of coconut trees.
Pest management specialist Charles Summers wins prestigious Woodworth Award
Charles Summers, a University of California entomologist, has won the prestigious Woodworth Award for his contributions to entomology. He developed economic thresholds and management strategies for various crops, reducing pesticide use and improving yields.
Wild bees can be effective pollinators
A three-year study found that wild bees visit more flowers per minute and deposit more pollen than honey bees, making them potential blueberry pollinators. Growers can support natural bee populations by providing nesting materials, such as bamboo or reeds.
Sausalito team wins Häagen-Dazs-UC Davis 'Bee Friendly' garden competition
The Sibbett Group's interconnected garden design won the international bee-friendly garden competition from Häagen-Dazs and UC Davis. The garden will provide a year-round food source for honey bees and raise public awareness about their plight, aiming to inspire visitors to plant bee-friendly gardens.
Climate change may alter malaria patterns
Climate change is altering malaria patterns due to daily temperature fluctuations, which can affect the incubation period of malaria parasites in mosquitoes. This can lead to changes in transmission rates, with warmer temperatures potentially increasing the risk of infection.
A natural, alternative insect repellent to DEET
Isolongifolenone, a natural compound found in the Tauroniro tree, has been proven effective in deterring mosquito bites and repelling ticks. The findings suggest that isolongifolenone could be a cost-effective alternative to DEET for protecting against blood-feeding arthropods.
UC Davis scientists receive $4 milllion biodiversity grant
The five-year, $4 million grant will support biodiversity field surveys, screen microbes and plants for applications to human health and energy needs. The research aims to conserve endangered species and develop local conservation efforts in Indonesia's tropical forests.
Smaller mosquitoes are more likey to be infected with viruses causing human diseases
Researchers found that smaller mosquitoes have higher infection rates and potential to transmit dengue virus than larger individuals. The study suggests that control strategies may benefit from producing larger, less competent adult mosquitoes in terms of infection, potentially mitigating dengue transmission.
Almond pest management team to receive major award at ESA meeting
A UC Davis team developed an integrated pest management (IPM) program for almond growers, resulting in a 77% reduction in pesticide use. The program, implemented over six to eight years, used biological, cultural, and reduced-risk alternatives.
Penn State researcher wins Entomological Society of America award
Consuelo M. De Moraes, a Penn State entomologist, has received the ESA's Early Career Innovation Award for her innovative research on chemical communication in ecological interactions. The award recognizes her contributions to promoting minority and women in science.
Did termites help Katrina destroy New Orleans floodwalls?
A new article in American Entomologist reveals that Formosan subterranean termites played a significant role in the destruction of New Orleans' floodwall system. The termite species, originating from China, was found to have caused major breaks in the levees by digging networks of tunnels and undermining the structure.
No more big stink: scent lures mosquitoes, but humans can't smell it
Researchers at UC Davis have discovered a low-cost, easy-to-prepare attractant that lures blood-fed mosquitoes without causing human discomfort. The synthetic mixture of trimethylamine and nonanal is equivalent to current attractants but odorless to humans.
UCR graduate student discovers, names bacterium linked to psyllid yellows
A UCR graduate student has discovered a new bacterial pathogen, Candidatus Liberibacter psyllaurous, closely related to citrus greening disease, that causes yellowing of tomato and potato leaves. The bacterium is vectored by the tomato/potato psyllid into host plants, resulting in yield losses up to 85% in commercial crops.
Journal of Asia-Pacific Entomology now published by Elsevier
The journal will play a key role in the Asia-Pacific Region's entomological research community, publishing original research papers and review articles. Elsevier has agreed to publish the journal on behalf of three societies, aiming to promote leading entomological research from Asia and worldwide.
Study shows single insecticide application can kill 3 cockroach generations
Researchers at Purdue University have found that a single dose of insecticide can kill three generations of German cockroaches. The study shows that the insecticide is transferred horizontally from one cockroach to another, leading to a significant mortality rate among the infected insects.
Brown Argus butterfly sees positive effects of climate change
The Brown Argus butterfly has expanded its range northwards in Britain, likely due to warmer temperatures. This shift may allow the species to evade some of its natural enemies, such as parasitoids.
Scientists develop new model for protecting biodiversity
A team of international collaborators, led by Academy entomologist Brian Fisher, creates a conservation map for Madagascar by analyzing distribution data from 2,315 species. The proposed locations for new protected areas preserve the maximum number of species, providing a valuable model for biodiversity hotspots worldwide.
Small desert beetle found to engineer ecosystems
A tiny beetle, the mesquite girdler, is speeding up desertification by regulating plant growth. The beetle's actions are depleting nutrients for other plant species, altering the Chihuahuan desert's ecosystem.
Armed beetles find a mate, whatever their size
Researchers discovered that Librodor japonicus beetles employ distinct strategies to attract mates based on their body size. Smaller males use 'sneaky matings' behind larger males, while medium-sized beetles search for unoccupied feeding sites. This unique approach ensures all individuals have a chance at finding a mate without conflict.
Haagen-Dazs gift to support Penn State honeybee research
The Häagen-Dazs brand has gifted a new garden design to Penn State's Harry H. Laidlaw Jr. Honey Bee Research Facility, featuring interconnected gardens and educational spaces. The design aims to provide year-round food sources for honey bees and raise public awareness about their plight.
Entomological Society of America recognizes 2007 fellows and honorary members
The Entomological Society of America has selected nine new Fellows and one new Honorary Member, recognizing their outstanding contributions to research, teaching, extension, or administration in the field of entomology. The honorees will be recognized during the ESA Annual Meeting in San Diego, California.
Ground spider diversity studied in research project
A graduate student has discovered 25 new spiders and one previously unknown species in Brazos County, expanding the knowledge of local natural resources. The study highlights the importance of diverse spider populations in maintaining ecosystem balance.
Looking to a new era in bee research
The honey bee genome sequencing project has generated exciting results, providing new insights into diverse topics in honey bee biology, including neurobiology and caste determination. The project's findings have also shed light on disease-resistant pathways and metabolic adaptations to an all-floral diet.
Give an ant a nice place to stay and it might stick around
A study of accidentally imported ants in the US reveals that finding suitable nesting sites is key to successful invasion. Researchers identified 232 species from 394 samples and found that opportunity alone is no guarantee of success.
When do mosquitoes prefer a blood banquet, or a sugar feast? Three genes make the call
Researchers at Ohio State University isolated three key genes controlling when female mosquitoes switch from feeding on blood to an all-sugar diet. These genes help the mosquitoes survive cold weather and potentially aid in understanding the West Nile Virus transmission.
UK entomology research article published in new issue of Science
Researchers at UK developed a new approach to controlling mosquitoes, which can prevent various forms of encephalitis including West Nile and malaria. The study was conducted in collaboration with colleagues from Johns Hopkins University.
Slime-mold beetles named for Bush, Cheney, Rumsfeld
Entomologists Quentin Wheeler and Kelly Miller named three slime-mold beetle species after former US leaders Bush, Cheney and Rumsfeld. The decision was made to pay homage to the U.S. leaders' commitment to freedom and democracy.
Prediction: California will see 'a lot more' cases of West Nile Virus in 2004
The US is likely to see an increase in West Nile virus cases in California this year, thanks to a combination of mosquito population, agricultural methods, and bird migration patterns. The state's diverse geography and climate will also contribute to the spread of the disease.
K-State uses geographic tools to track plant pathogens
Kansas State University researchers are using geographic tools to track the spread of a highly invasive soybean aphid, which could have significant implications for national security. By analyzing data and mapping patterns, they aim to predict future outbreaks and develop an early warning system.
Male flesh flies high-speed pursuit of females
Researchers found that male flesh flies radically move their heads while chasing females, but don't necessarily use the high-definition parts of their compound eyes. This unique visual guidance system could help engineers develop better detection systems for aircraft and artillery.
Scientists unraveling lice genome to halt blood-sucking pest
Researchers at Purdue University have identified the first gene in lice that kills bacteria threatening the insect. The study also found genes involved in digesting human blood and fighting off infections. Understanding lice genetics could lead to novel pest control strategies, potentially benefiting public health.
Genetic differences in termite castes may lead to better control
Researchers identified 25 genes involved in termite caste development, including muscle function and cellulase production. Treatment with juvenile hormone can convert worker termites into soldiers, potentially leading to colony decimation.
UC Riverside study indicates mosquito coils may cause cancer
A recent UC Riverside study found that mosquito coils in Indonesia and Asian markets contain the banned substance S-2, which can cause exposure to bischloromethyl ether, a potent lung carcinogen. The researchers plan to measure levels of BCME in indoor environments where the coils are used.
West Nile virus warning system from climate data
A new Web-based calculator will warn public health officials when and where mosquitoes carrying West Nile virus thrive or die, based on climate data. The system will help track mosquito populations' development and aging, which is crucial for predicting outbreaks.
UCR entomologists report bee-dancing brings more food to honeybee colonies
Bees that follow dance language with distance and direction information collect more food than those following disoriented dances. This effect is strongest during the winter season and helps ensure colony survival.
2,000+ brown recluse spiders in a Kansas home inflict no bites in the occupants, UCR study notes
A UC Riverside study of 2,055 brown recluse spiders in a Kansas home found no bites on occupants. The study suggests that many skin lesions misdiagnosed as 'brown recluse spider bites' are actually caused by other factors like infections or bug bites.
Scientists find insects can alter plant chemistry to help them find mates
Scientists at the University of Illinois discovered that insects can change plant chemistry to attract mates, using a substitute for sex pheromones. Male gall wasps recognize uneven chemical ratios and use volatile cues to locate females emerging from plants.
UCR scientists contribute to study that will help formulate new ways to combat malaria
Researchers analyzed Anopheles gambiae genome for transposable elements to develop new ways to prevent malaria transmission. The study's findings have the potential to inform the design of new strategies against this devastating disease.