Articles tagged with Parasitoids
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A recent study describes 286 new species of wasps within the tribe Heterospilini from Costa Rica, with an estimated additional 50-100 species to be added. The findings highlight the country's astonishing biodiversity, particularly within the braconid family of parasitoid wasps.
A recent study published in ZooKeys reveals 32 new parasitoid wasp species from the genera Odontacolus and Cyphacolus, characterized by their unique horn-like structure. These tiny wasps are known to be vicious parasitoids, injecting eggs into spider eggs to ensure the development of their offspring.
Research reveals parasitic wasp Tetrastichus planipennisi populations are increasing and expanding in Michigan, suggesting they will play a critical role in suppressing the invasive EAB. By 2012, rates of parasitism on EAB increased from 1.2% to 21.2%, with 92% of sampled trees hosting wasp broods.
John Heraty will study the eucharitid wasp genus Orasema, a specialized group of ant parasitoids. More than 200 species are expected to be described as part of the study, which aims to understand relationships and species boundaries.
A total of 90 species are recognized from the Indo-Malayan and Palearctic realms, with 71 described as new species. The discovery greatly expands knowledge of the genus Oxyscelio, a parasitic wasp family.
A mysterious parasitoid wasp, Seleucus cuneiformis, has been found on a rare European fern sawfly, Blasticotoma filiceti. The study, published in Journal of Hymenoptera Research, reveals the unusual biology of this parasite, including its symbiotic relationship with ants, which live in symbiosis based on food for protection.
Three new species of parasitoid wasps were discovered in Papua New Guinea and Thailand, with the Thai species named after Beatrix Kiddo due to its deadly biology. The wasps' reproductive habits involve developing eggs in other insects and killing or immobilizing their hosts.
Two wasp species have been recorded as parasitoids of ant-eating spiders. The parasitic behavior involves the wasps attacking and using the spider's juvenile as food for their own development. This study highlights the unique relationship between these wasp species and the ant-eating spider, Zodarion styliferum.
Researchers have identified five small wasp species that directly attack the younger life stages of the pine wood nematode vector Monochamus galloprovincialis. The study, published in ZooKeys, highlights the potential for these tiny insects to control a major pest affecting southwest Europe pine stands.
A new study reveals that hyperparasitoids exploit plant odours triggered by parasitoid-infected caterpillars, compromising the mutualistic relationship between plants and parasitoids. This complex network of interactions highlights the importance of considering species at multiple trophic levels in ecological functions.
A new study suggests that native insect parasitoids in California can suppress the light brown apple moth population, with one species accounting for over 80% of larval parasitism rates. Further research is needed to determine the effectiveness of these natural enemies in controlling the pest's spread.
A recent study revealed that three European parasitoid wasp 'species' are actually seasonal forms of a single species. The researchers used museum collections and targeted fieldwork to confirm the findings, which were further supported by DNA sequence data.
Researchers discovered that desert seed beetles use a strategy of stacking their eggs as shields against parasitic wasps. The beetles lay their eggs on seed pods, then stack multiple layers to protect them from the wasp species. This behavior prevents the wasp larvae from developing and allows the beetle offspring to survive.
Four species of wasps show remarkable adaptations in attacking ants, with two new species described. The study reveals how young wasps survive inside ant nests by exploiting dead ants outside the entrance.
Researchers from Natural History Museum of Bern reveal courtship behaviors of male parasitoid wasps through antennal structures and coiling behavior. The study, published in BMC Evolutionary Biology, emphasizes the importance of natural history museum collections.
The study provides new insights into pest control and genetics by sequencing the genomes of three parasitoid wasp species. The findings suggest that harnessing the full potential of parasitoid wasps could be a more effective alternative to chemical pesticides.
The study's findings suggest that parasitic wasp genomes could enhance pest control by identifying target insects and venom composition. Additionally, the rapidly evolving mitochondria in Nasonia wasps may provide insights into human diseases such as mitochondrial disorders.
A new study redefines the boundaries of viruses, highlighting their complex relationships with hosts. The genes that encode beneficial viruses in wasps are integrated into the wasp's chromosomes, blurring the line between host and virus.
Aphids leave behind their old exoskeletons, called exuviae, to act as decoys for parasitoid wasps. This behavior helps aphids escape from parasitic attacks by giving other aphids time to flee while the wasps investigate the empty shells.
A parasitoid wasp induces its moth caterpillar host to stop feeding, remain close to the pupae, and defend against predators, resulting in increased pupae survival. The caterpillar's behavioral changes appear to outweigh potential risks of increased transmission for the parasite.
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.
New research shows that aphids feeding on low-quality Brussels sprouts are smaller and fewer in number, leading to a ripple effect throughout the food chain. This has significant implications for the structure and diversity of ecosystems, highlighting the importance of plant quality in shaping ecosystem function.
A study by Jean Pierre Kapongo found that Muscidifurax raptor is an effective biocontrol agent for controlling fruit flies in vineyards. This method reduces the need for chemical pesticides, benefiting the environment and promoting agricultural sustainability.
Researchers found that 20% of caterpillars died from parasitoid attacks, mostly from introduced species. The study highlights the importance of understanding ecological costs of biocontrol agents to prevent adverse cascading events in food chains.