Articles tagged with Entomology
The study highlights potential widespread presence of mosquitoes Aedes aegypti and Aedes albopictus in the US, as well as gaps in local surveillance capabilities. This information will help target limited public health resources and improve understanding of these mosquito species' distribution.
A survey of US travelers found that most business and leisure travelers can't identify a bed bug, yet evokes a stronger response than other room deficiencies. Hotels should proactively provide information on preventing bed bug infestations to improve guest trust.
Researchers find that Varroa mite populations are growing and spreading in managed bee colonies due to close proximity and lack of swarming. The study suggests new integrated pest management strategies are needed to control the migratory pest.
Agricultural production improves hive health by providing adequate food resources and nectar yields, outweighing pesticide risks. Bees in agricultural areas had better colony thermoregulation and higher brood production than those in non-agricultural environments.
Researchers found that traps baited with pheromone attract only a small fraction of overwintering stink bugs, which don't respond until daylight hours increase. Prevention is key to stopping brown marmorated stink bug invasions, and the use of traps during this time may not be effective.
Research detects fragments of Zika virus RNA in Asian tiger mosquito eggs collected in Brazil, highlighting potential role in Zika transmission. The findings emphasize the need for further research into additional vector species.
Researchers found that many Culex species lay eggs on terra cotta and mangrove roots instead of open water. This discovery challenges previous generalizations about mosquitoes' egg-laying habits and may aid in better targeting mosquito control efforts.
Researchers have discovered the oldest specimens of insects from the bed bug genus in Oregon, dating back to around 5,100 and 11,000 years ago. The remains were identified as relatives of the common bed bug, but were not the bed bugs found in hotel rooms.
Researchers found no association between mosquito abundance and dengue virus risk, but longitudinal indicators showed individuals living with mosquito evidence were more likely to contract dengue. Alternative surveillance frameworks incorporating human outcomes may be necessary for effective dengue control programs.
A new study reveals that host-targeted bait boxes employing a sneaky trick can significantly reduce the prevalence of ticks on residential properties. The boxes use a cloth wick soaked in tick-killing insecticide to lure mice and chipmunks, which subsequently die after attachment.
Researchers found that tropical bed bugs can climb out of smooth-walled traps more effectively than US common bed bugs due to unique adaptations. This discovery has significant implications for monitoring and managing bed bug infestations.
Two top entomology students, Paul Baker and Emily Nadeau, were honored with the naming of new wasp species, Leuroagathis paulbakeri and Scabagathis emilynadeauae. A new genus, Chimaeragathis, is also named after the Greek mythological monster Chimera, reflecting its distinct diagnostic characters.
A new water-resistant ant bait has been shown to offer significant advantages over existing baits in controlling invasive species such as the red imported fire ant. The bait's ability to withstand moisture makes it an effective tool for managing pest ants, especially in humid environments.
A new paper outlines expressions of skin conditions often misdiagnosed as brown recluse bites, including bacterial infections and deadly reactions. The authors introduce the NOT RECLUSE mnemonic device to help doctors accurately diagnose these cases.
Researchers found that mosquitoes responsible for transmitting malaria often rest in cattle sheds and feed on both humans and cattle. The team suggests that extending mosquito-control efforts to include cattle sheds could help reduce transmission dramatically.
A new study has confirmed the presence of ticks carrying Lyme disease in nine eastern national parks, highlighting the need for visitors to take precautions. The Centers for Disease Control and Prevention and National Park Service collected ticks along hiking trails and found all nine parks had infected blacklegged ticks.
New analysis suggests US is unlikely to experience large-scale Zika outbreak due to access to clean water and air conditioning. However, localized outbreaks remain a concern, particularly in southern states with lower socioeconomic conditions.
A collaborative group of insect scientists, educators, and professionals created a Bed Bugs and Book Bags curriculum to educate teachers and children about bed bugs. The program, available for free, includes hands-on activities and learning topics to promote awareness and prevention.
Researchers found that the Anthophora pueblo bees use water to excavate sandstone, creating durable shelters that protect them from erosion and parasite buildup. This unique adaptation allows the bees to survive in drought-prone desert ecosystems.
Researchers have discovered that anthranilic diamides can effectively control pests in snap bean crops, rivaling industry standards. The compounds show promise as a replacement for neonicotinoid seed treatments and pyrethroid sprays.
Researchers at UCR are using big data to track mosquitoes, predict outbreaks, and understand insects. The new program will train scientists and engineers to exploit the power of big data to improve human health and alleviate food waste.
Researchers reviewed various methods for preventing bites from blacklegged ticks, which transmit Lyme disease. Effective measures include wearing protective clothing, using insect repellent, and controlling tick hosts such as deer and small mammals.
Researchers discover northern oak hairstreaks consume non-nectar sources like galls and aphid honeydew. This finding suggests the species may be more common than thought.
A special collection of articles from the Journal of Medical Entomology provides in-depth research on Asian tiger mosquito, Aedes albopictus, including its introduction to North America, disease transmission, and control measures. The studies highlight the importance of understanding this invasive insect for effective mosquito management.
A new study maps the geographical ranges of Aedes aegypti and Aedes albopictus mosquitoes, which transmit dengue, chikungunya, and Zika viruses, across 183 counties in 26 states and 1,241 counties in 40 states.
Entomologists have described a traumatic insemination process in which male twisted-winged parasites inject semen directly into the female's body cavity. The fertilization process is unusually prolonged, lasting up to 30 minutes, and is likely used to reduce sperm competition.
Researchers found that bed bugs strongly preferred red and black colors, but avoided green and yellow due to their resemblance to brightly-lit areas. The study's findings may have implications for controlling bed bug populations by using color preference in traps.
A new species of black fly, Simulium kalimantanense, has been discovered in Indonesia's Kalimantan state. The newly identified species belongs to the family Simuliidae and is part of a larger group known to carry filariasis-causing parasites.
Researchers found that six known predators, including beetles and lacewings, naturally controlled cochineal scale insects on prickly pear plants, regulating their growth. Autonomous biological pest control may be a viable alternative to chemical pesticides under specific ecological conditions.
The Mexican rice borer infestation causes significant crop loss, with potential losses of over $200 million annually in Louisiana. A new article provides information on the pest's biology and life cycle, as well as management suggestions.
A new genus of flea and its five new species have been described from Indonesian collections. The discovery sheds light on the history of Indonesia and highlights the complexity of male flea genitalia.
Researchers have developed a new trap to monitor and control Aedes aegypti mosquitoes, the primary transmitters of Zika, dengue, chikungunya, and yellow fever. The plastic ovitrap infused with pyriproxyfen has been shown to be 100% effective in preventing larvae from developing into adults.
A recent study by Rutgers University researchers found that approximately 12% of apartments had bed bug infestations, with higher rates in African American homes. Women were more likely to report symptoms and express concern upon learning of infestations.
A new genus of treehoppers has been discovered in Texas and northern Mexico, with one species named Selenacentrus wallacei. The researchers found the species among mislabeled specimens from various collections, highlighting the importance of accurate taxonomy.
Masked chafer larvae cause root damage to turfgrass, leading to brown and dying blades. Biological approaches like entomopathogens offer promising solutions for reducing grub numbers.
Researchers at Michigan State University created a lighter, cheaper moth trap using LED lights and everyday materials. The new trap is effective but less abundant in insect capture compared to traditional mercury vapor black light traps.
Scientists have developed an illustrated key to distinguish between 41 snout moth grass borers using genitalia analysis. This helps identify economically important pests that feed on crops like sugarcane and corn in the Western Hemisphere.
Plant breeders have discovered that the best time to infect trees with citrus greening disease is during 'flush,' a stage in growth from leaf emergence to full size. This knowledge can help growers improve pesticide applications and protect their citrus crops.
Researchers have found an artificial diet that makes it easier to rear insects, including moths and other species. They successfully reared 39 different moth species on the McMorran diet, saving time, space, and money.
A study published in the Journal of Medical Entomology found that the OFF! Clip-On repellent device is highly effective against hungry Aedes aegypti mosquitoes. The device causes high mosquito mortality and knockdown rates, making it a promising tool for preventing Zika bites.
A global research collaboration sequenced the bed bug genome, identifying genes linked to pesticide resistance, mating traits, and blood digestion. The study provides a comprehensive understanding of the biology of human ectoparasites and offers new avenues for controlling bed bug populations.
A team of entomologists, including Dr. Ed Vargo and Dr. Spencer Johnston from Texas A&M AgriLife Research, has mapped the bedbug genome, revealing its unique features and ecological niche. The study identifies critical genes for survival, providing a valuable resource for developing new control targets.
A new study reveals bed bugs have developed resistance to neonicotinoid insecticides, making pest control more challenging. The levels of detoxifying enzymes in the resistant bed bugs were higher than those in susceptible populations, indicating pre-existing resistance mechanisms may have contributed to this development.
Researchers found that bed bugs that fed after being treated with insecticides had significantly lower mortality rates than those that didn't. The study suggests that feeding stimulates detoxification enzymes, leading to increased resistance and survival.
A comprehensive check list of 1,541 snout moth species has been compiled by Dr. Brian Scholtens and Dr. M. Alma Solis, shedding light on the fauna of North America and its potential threats to crops and forests.
Lyme disease is transmitted by the blacklegged tick and western blacklegged tick, with a significant expansion of their range across the US. The study found that over 45% of counties have established populations of these ticks, highlighting areas of high risk for human exposure.
A study by University of California, Riverside scientists reveals that backyard chickens have a higher diversity of ectoparasites, including six species of lice, the northern fowl mite, scaly leg mite, and chicken red mite. This finding suggests that the benefits of backyard chicken keeping may come with an itchy price.
New chigger mites discovered on rodents in Thailand expand the country's total known species to 99. The three new species were named after historical figures and belong to the same family as scrub typhus vectors.
Researchers found that Asian tiger mosquitoes prefer containers with large water volumes and near flowering butterfly bushes. These findings could lead to the development of traps using flower fragrances to control mosquito populations.
The latest volume of Research on Chrysomelidae celebrates its 30-year legacy, featuring works from a multinational research team and dedicated to Prof. Pierre Jolivet's contributions. New areas for investigation are highlighted, including Madagascar and the impact of deforestation.
The invasive spotted lanternfly can cause considerable damage to crops and ornamental plants. A new resource provides information on how to identify and manage the pest, which has already been detected in Pennsylvania and may spread to other areas.
Entomologists from the University of California, Riverside, discovered a new genus of plant bug, Restiophylus, and four new species from Australia. The new species are closely associated with Australian restiid clade (Poales). Detailed information on the insects is provided in the Annals of the Entomological Society of America.
A new sand fly species, Psathyromyia baratai, has been discovered in Brazil. The species was originally misidentified and found to be an undescribed species through detailed analyses.
A recent study found that global warming can reduce the effectiveness of permethrin in killing yellowfever mosquitoes. As temperatures increase, permethrin's efficacy decreases, highlighting the need for temperature consideration when choosing a pest-control product.
Researchers found Ixodes affinis parasitizing five songbird species in southeastern Virginia, increasing the tick's range and potential for Lyme disease transmission. The study suggests that having two competent tick vectors may lead to an increase in Lyme disease cases.
A new species of whirligig beetle has been discovered in Alabama's Conecuh National Forest, identified by PhD student Grey Gustafson and entomologist Dr. Robert Sites. The newly described species, Dineutus shorti, is the first to be found in the US since 1991.
Researchers find oil-based pesticides outperform water-based counterparts in killing contents of brown widow spider egg sacs. The silk layer's hydrophobic properties hindered water-based pesticide penetration, but oil-based aerosols effectively breached this barrier.
The invasive Aedes japonicus mosquito has been found in western Canada, carrying diseases like La Crosse encephalitis and dengue. The discovery was made in a suburb of Vancouver, British Columbia, in February 2015.
A new technique developed by Polish scientists uses geometric morphometry to identify the European corn borer by analyzing the arrangement of veins in its wings. The method achieved an accuracy of 97% and has the potential to be used by farmers to control the pest at optimal times.
Researchers found that male mosquitoes are lured to traps emitting sounds similar to female wing-beats. The frequency used was around 484 Hz, capturing over 95% of males exposed to it. This method could enhance studies and mosquito control in developing countries.