Articles tagged with Lepidoptera
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Researchers at Binghamton University discovered that caterpillars can hear airborne sounds via microscopic hairs on their bodies. The study found that the caterpillars were 10 to 100 times more responsive to airborne sound than surface vibrations felt on their feet, suggesting a new approach for improving microphone technology.
A new study in Systematic Entomology reveals that evasive butterfly mimicry in the genus Adelpha may be a rare and overlooked type of mimicry. The researchers found that Adelpha butterflies use speed and unpredictability as a defense mechanism, making them difficult to catch for birds and other predators.
The Florida Museum of Natural History has published 'The Butterflies of California' after five decades of work by brothers Thomas and John Emmel. The book, which clocks in at 854 pages, explores the diversity and life histories of butterflies in western North America.
In a study published in the Journal of Experimental Biology, researchers from Kobe University found that hawkmoth larvae and pupae produce defensive sounds when stimulated. These sounds are released through respiratory openings and resemble snake warning signals, potentially helping the insects evade predators.
Researchers investigate cryopreservation as a tool for conservation, using the European subspecies of the Swallowtail to assess its viability. If effective, it could support long-term strategies like breeding programs and reintroduction efforts.
Marcin Wiorek joins Nota Lepidopterologica as co-Editor-in-Chief, succeeding David Lees. He brings expertise in Lepidoptera systematics and phylogeny to the journal. Wiorek's research focuses on tiger moths and has been recognized with a recently obtained PhD.
The 'Grassland Butterfly Index' shows a significant decline in butterfly populations in Germany from 2016 to 2023, with some species decreasing by up to 50%. This trend is consistent with European-wide declines, highlighting the need for effective conservation measures to protect these important ecosystem indicators.
A study found that ants can scare away pollinators like bees when defending plants with extrafloral nectaries, which are secretions that attract ants but not pollinators. However, plants with these glands on other locations had increased reproductive success.
A previously mistaken moth has been identified as a new species, Carcina ingridmariae, with significant genetic differences from its lookalike relative. The species was discovered using DNA barcoding and has a wingspan of about 2 cm, found across the eastern Mediterranean.
Researchers found that the caterpillars' cycles interact with natural controls like viral disease, and they're highly adapted to their environment. Outbreaks can be predicted and damage controlled, but the exact timing is linked to specific factors.
A new study sequenced the genomes of glasswing butterflies, revealing six previously unrecognized species and shedding light on their rapid diversification. The research also showed that these butterflies use chemical communication to recognize each other, despite their similar appearances.
A large international team genetically maps glasswing butterflies across Central and South America, rewriting the evolutionary tree and highlighting six new species. This study provides answers to questions that have remained unknown for at least 150 years.
A new study by researchers at the University of California, Davis, suggests that non-native milkweeds in urban gardens are not harmful to migratory monarch butterflies. The study found that resident monarchs and non-native milkweeds are not connected to the larger population, allowing urban ecosystems to contribute to their conservation.
The University of Oldenburg has secured funding for three research clusters: Hearing4all, Ocean Floor, and NaviSense. These clusters aim to improve hearing loss prediction, diagnosis, and treatment, as well as animal navigation research. The funding enables the continuation of high-quality research with social relevance.
A new study analyzing over 175 scientific reviews found that agricultural intensification is a major driver of insect decline, but climate change has multiple individual drivers such as extreme precipitation and temperature. The research highlights the need for a multi-pronged approach to conserve insect biodiversity.
The discovery of the Curiously Isolated Hairstreak, a new butterfly species, reveals striking genetic diversity and ecological uniqueness. The isolated population has been separated from its closest relatives for up to 40,000 years, resulting in low genetic diversity and reduced adaptability to changing climatic conditions.
A new study finds that the daily cycles of plant aromas shape the dietary habits and evolution of butterflies and moths. Research suggests that day-active insects have evolved to be picky eaters with larger antennae, while night-active species have more generalized diets due to reduced chemical information.
Research by Kobe University reveals that restoring abandoned grasslands requires at least 75 years of continuous management to regain plant diversity. Pollinators also take time to adapt, with generalist insects like flies and hoverflies dominating recently restored sites.
A new study published in Science tallies butterfly data from over 76,000 surveys across the US, revealing a 22% decline in total butterfly abundance between 2000 and 2020. This alarming rate affects 554 species, with 107 experiencing population losses of more than half.
A comprehensive analysis of butterfly data in the US found that butterfly abundance fell by 22% between 2000 and 2020. The study, led by Eliza Grames at Binghamton University, examined data from over 12.6 million butterflies across the continental US.
A new study suggests that extreme weather events are crucial to understanding phenological responses in plants and insects. The research found that disruptions to the delicate relationships between certain species, such as the yucca plant and yucca moth, can have significant consequences for survival.
A study of Asian hornets found over 1,400 different species in their guts, including a wide range of bees, wasps, and insects. The diet varied strongly over the seasons and between regions, showing that they are highly flexible predators.
A decades-long study reveals that the Schaus' swallowtail butterfly in Florida experiences increased populations following strong hurricanes. The butterflies benefit from the clearing of their host plants, allowing for an abundance of food for caterpillars to grow and thrive after storms.
A study on painted lady butterfly migrations found that environmental conditions, rather than genetic coding, drive their migratory patterns. The research revealed that butterflies can travel vast distances, crossing the Sahara Desert, without showing significant genomic differences between short and long-distance migrants.
Scientists studied painted lady butterflies' migration patterns and found that environmental conditions shape their travel behavior, with some crossing the Sahara Desert. Contrary to previous belief, genetic analysis revealed no difference in DNA sequences between short- and long-trip butterflies.
Researchers document butterfly's complete life cycle, including two distinct pupation phases, influenced by environmental conditions. The species may show phenological plasticity in response to climate change, adapting its breeding timing and brood production.
A study in Warsaw, Poland found no difference in insect-pollinated plant composition or species richness between sown and natural meadows. However, natural meadows had twice the number of butterflies compared to sown meadows.
Researchers have successfully established new sacred fir forests on a nearby volcano to serve as overwintering sites for monarch butterflies, which are projected to disappear from their current habitats due to global warming.
The study found that monarchs are dying off during their fall migration south to Mexico, with roost sizes declining by as much as 80%. Climate change is not believed to be the primary cause, but rather a debilitating parasite and captive breeding may be to blame.
A new species of clearwing moth has been identified from specimens found by a traveler returning from Guyana to the UK. The discovery was made possible through community science efforts involving a young ecologist and a photographer, leading to DNA sequencing and identification as Carmenta brachyclados.
A new study found that well-managed electric rights-of-way can increase the diversity and abundance of pollinating insects, as well as flowering plants. By mimicking natural disturbances like wildfires, utility crews can create successional habitats that support rare plant communities.
Researchers at the Florida Museum of Natural History are studying bagworms' unique life cycle and their potential to inform understanding of modern climate change. They'll also analyze fossils from ancient mammal communities affected by rapid warming, as well as use AI to model future disease outbreaks.
A recent study found that actively managed habitats can slow or reverse population declines in at-risk butterflies. Habitat management, such as prescribed burns and planting nectar plants, appeared to dampen the effect of climate change on butterfly timing.
A new study published in PLOS ONE found that the diversity and abundance of flowers in a garden, rather than its surroundings, have a greater impact on attracting pollinators. The researchers discovered that providing blooms all season long is crucial for promoting local pollinator communities.
Researchers found that moth species with overlapping ranges in the southeastern US have distinct clock genes, including the 'disco' gene. The study reveals how vision evolves when a species switches its pattern of activity, and provides insights into the mechanisms behind species speciation.
Researchers found that butterflies spin unique silk structures, including hook-and-loop fasteners and multi-strand safety tethers, to secure their chrysalises to branches. Despite being thinner and weaker than silkworm silk, these structures provide a stable anchor for the butterfly's transformation.
Researchers found that even tiny city gardens with native milkweed species attracted monarchs and caterpillars. Older, established milkweed plants were more likely to support eggs, while a variety of blooming plants provided nectar for adult monarchs.
A new study found that monarch pupae can survive and produce adults for up to seven weeks in the winter, with a 49.4% success rate in pupal eclosion. The study suggests a potential adaptation to warmer winters and offers an alternative to traditional overwintering methods.
A new study reveals that data on popular community science platforms is biased towards easily identifiable and attractive species. Researchers found that iNaturalist's reliance on photos creates a personal bias, underreporting certain species and overreporting others.
Historical DNA barcodes from over a century old butterfly specimens help classify a group of rare Calinaginae butterflies. The classification sheds new light on the taxonomy of this insect group.
A new legal requirement for developers to demonstrate a biodiversity boost in planning applications may not be effective in improving bird and butterfly populations. Despite this, researchers suggest that the metric can capture plant biodiversity well, but needs improvement to reflect ecosystem intricacies.
A new study found that neonicotinoid-treated seeds led to an 8% drop in butterfly species diversity, with the pesticide also affecting monarch butterfly populations. The research calls for publicly available data on pesticide use to understand the causes of butterfly decline.
Researchers have found a vast number and variety of day-flying insects migrating through the Pass of Bujaruelo in the Pyrenees, with flies making up 90% of the total. The insects begin their journeys further north in Europe and continue south into Spain.
A 2019 study found that high vegetation growth in the Middle East attracted painted lady butterflies, which then migrated across Europe and Africa. Pollen analysis revealed the origins of the migration routes, highlighting the importance of citizen science and monitoring insect migrations.
A study using crowd-sourced data from iNaturalist found that slugs and snails are more common in urban areas than other native species. In contrast, butterflies and moths were the least tolerant of urban environments. The analysis provides valuable insights for city planners to increase urban biodiversity.
A new study found that removing hedgerows and field margins decreases the diversity and abundance of arthropods, which can lead to reduced natural pest control. The research suggests that using flowering plants in field margins and implementing agri-environmental measures can be effective ways to increase farmland biodiversity.
Researchers found that tiger beetles respond to bat echolocation by producing their own ultrasonic signal, which they believe is a defense mechanism. The beetles' defensive chemicals are not effective at deterring bats, but the sound itself may be used to trick bats into thinking they are noxious.
Researchers have discovered a radically different molecular switch that determines sex in African butterflies, relying on recognition of sequence differences within the Masculinizer gene. This alternative mechanism leads to hypervariability of the Masculinizer gene and drives the production of more females than expected.
Researchers have discovered how bella moths, found in eastern North America, Central America, and the Caribbean, use toxic pyrrolizidine alkaloids to guard their eggs and deter predators. The moths' ability to safely consume these toxins is linked to specific genes that may confer immunity.
A sample of almost 4,000 haiku references butterflies, bees, ants, and flies most frequently, describing their color, flight patterns, and ecology. The study provides new insights into the diversity and complexity of arthropod references in traditional Japanese poetry.
Caterpillars of the Carolina sphinx moth have an extraordinary ability to instantly change their hemolymph's material properties, turning it into a viscoelastic fluid that helps stop bleeding. This discovery has potential applications for developing new drugs for humans to create fast-working thickeners of human blood.
Female Diadem butterflies have evolved colours and patterns that closely match those of toxic African Queens, making them appear toxic to predators. This convergent evolution allows the Diadems to avoid being eaten by birds and other predators.
A new study shows that UK solar parks, if managed correctly, can support insect pollinators such as bees and butterflies. The availability of a diverse range of flowering plant species within the solar farms is crucial for increased pollinator abundance and biodiversity.
Researchers analyzed over 200 butterfly and moth genomes to understand their evolutionary history. They found that chromosomes have remained largely unchanged since the last common ancestor over 250 million years ago, despite the diversity seen today in wing patterns and caterpillar forms.
A University of Washington team discovered that nitrate radicals in the air degrade scent chemicals released by wildflowers, making them undetectable to nighttime pollinators. The researchers found that pollution likely has worldwide impacts on pollination, with areas including western North America and Europe most affected.
Research by University of Exeter scientists found that females with warmer temperatures have fewer spots, challenging long-held views on the reason for this variation. The study suggests that butterflies adapt their camouflage based on temperature, which could lead to a decrease in spotting over time.
A study found that Spanish butterflies are better at regulating their body temperature by basking in the sunshine compared to British counterparts. However, rising global temperatures due to climate change may put Spanish butterflies at greater risk of extinction if they cannot adapt quickly enough.
A mysterious new moth species, Mirlatia arcuata, has been discovered in southern Croatia, shedding light on the region's Lepidoptera fauna. The species' cold-adapted nature and unclear relationships to other moths raise questions about its origins and habits.
Researchers from NUS discovered that caterpillars' prolegs are derived from a genetic program that specifies lobes originally found in crustaceans. This novel trait is reactivated in the abdomen of caterpillars, enabling them to grasp and move on various surfaces.
A comprehensive study reveals a 72% reduction in rare butterfly populations across Eastern Denmark, with only 158 sites remaining from 565 in 1993. The research highlights the need for improved habitat protection and management to safeguard these species.