Exotic Species News

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  • Ozaena ground beetles likely parasitize ants throughout their life cycle
    on January 16, 2019 at 7:06 pm

    Ozaena ground beetles likely have anatomical adaptations enabling them to parasitize ant nests throughout their life cycle, according to a new study. […]

  • Marine mammals and sea turtles recovering after Endangered Species Act protection
    on January 16, 2019 at 7:06 pm

    More than three-quarters of marine mammal and sea turtle populations have significantly increased after listing of the US Endangered Species Act (ESA), according to a new study. […]

  • Idled farmland presents habitat restoration opportunities in San Joaquin Desert
    on January 15, 2019 at 9:23 pm

    Most of the native habitat in California's San Joaquin Desert has been converted to row crops and orchards, leaving 35 threatened or endangered species confined to isolated patches of habitat. A new study looked at the conservation potential of marginal farmland in the San Joaquin Desert and found that restoration of fallowed farmland could play a crucial role in habitat protection and restoration strategies for the blunt-nosed leopard lizard and other endangered species. […]

  • Black mangroves' impact on the salt marsh food web
    on January 15, 2019 at 6:29 pm

    Warmer temperatures are causing more tropical species to move northward. Among these are black mangroves, whose abundance is steadily increasing in the northern Gulf of Mexico. A new article examines how this tropical species is impacting the salt marsh food web. […]

  • Big genome found in tiny forest defoliator
    on January 15, 2019 at 5:10 pm

    Scientists have sequenced the genomes of the European gypsy moth and its even more destructive cousin, the Asian gypsy moth. […]

  • Bear necessities: New study highlights importance of water resources for Andean bears
    on January 15, 2019 at 3:48 pm

    A new study highlights the importance of water for Andean bears living in the mountain forests of Peru. The study found that bears exhibit tree-rubbing behavior on shrubs and trees that are located on trails near water holes. The discovery that this behavior occurs near water holes could have implications for future conservation programs. […]

  • Beech trees are dying, and nobody's sure why
    on January 9, 2019 at 4:47 pm

    A confounding new disease is killing beech trees in Ohio and elsewhere, and plant scientists are sounding an alarm while looking for an explanation. Researchers and naturalists in northeastern Ohio report on the emerging 'beech leaf disease' epidemic, calling for speedy work to find a culprit so that work can begin to stop its spread. […]

  • Trees change inside as drought persists
    on January 9, 2019 at 3:24 pm

    Scientists have found that trees change their anatomy in response to prolonged drought. […]

  • Scientists forecast where is the highly invasive fall armyworm to strike next
    on January 9, 2019 at 2:09 pm

    Known to be feeding on many economically important crops, including maize, sugarcane, beet, tomato, potato and cotton, the larvae of the native to the Americas fall armyworm moth already seem to present a huge threat to the world's yield. Moreover, it only took 2 years for the pest to establish throughout sub-Saharan Africa. A study looks into the factors and likelihood for it to spread to other regions and continents. […]

  • Bee mite arrival in Hawaii causes pathogen changes in honeybee predators
    on January 8, 2019 at 11:13 pm

    Entomologists have performed a study on the Big Island and found viruses associated with the varroa mite, a parasite of honeybees, have spilled over into the western yellowjacket, a honeybee predator and honey raider. The result is a hidden, yet remarkable, change in the genetic diversity of viruses associated with the larger pathogen community of the mite and wasp, with repercussions yet to be understood. […]

  • Finding an elusive mutation that turns altruism into selfish behavior among honeybees
    on January 8, 2019 at 11:13 pm

    For the first time, researchers have finally found the root cause responsible for thelytoky syndrome -- which dramatically turns bees from altruistic helpers to selfish mercenaries. […]

  • Fighting human disease with birth control ... for mosquitoes
    on January 8, 2019 at 7:13 pm

    A newly discovered protein that is crucial for egg production in mosquitoes opens a possibility for 'mosquito birth control.' The approach might offer a way to reduce mosquito populations in areas of human disease transmission without harming beneficial insects such as honey bees. […]

  • Experts warn against mega-dams in lowland tropical forests
    on January 8, 2019 at 2:51 pm

    Mega-dams should not be built in lowland tropical forest regions due to the threat they pose to biodiversity and ecosystems, according to experts. […]

  • Variable venom: Why are some snakes deadlier than others?
    on January 8, 2019 at 1:44 pm

    By comparing records of venom potency and quantity for over 100 venomous snake species, researchers have discovered that the potency of a snake's venom depends on what it eats. […]

  • Insect biological control shields tropical forests
    on January 7, 2019 at 6:12 pm

    An international team of scientists, involving entomologists, conservation biologists, agro-ecologists and geographers, has just revealed how on-farm biological control can slow the pace of tropical deforestation and avert biodiversity loss on a macro-scale. The case study concerns biological control of the invasive mealybug Phenacoccus manihoti with the introduced host-specific parasitic wasp Anagyrus lopezi in Southeast Asia. […]

  • Where will the world's next Zika, West Nile or Dengue virus come from?
    on January 4, 2019 at 6:12 pm

    Scientists have identified wildlife species that are the most likely to host flaviviruses such as Zika, West Nile, dengue and yellow fever. They created a global flavivirus hotspot map from their findings. […]

  • Forest soundscapes monitor conservation efforts inexpensively, effectively
    on January 3, 2019 at 11:55 pm

    Recordings of the sounds in tropical forests could unlock secrets about biodiversity and aid conservation efforts around the world, according to a new article. […]

  • Does mountaintop removal also remove rattlesnakes?
    on January 3, 2019 at 6:36 pm

    Timber rattlesnakes, according to the study's author, are among the most docile creatures in Appalachia. They choose places to hibernate that are more likely to be surface mined due to their ridgetop locations. Mining thus put this species at a disadvantage and reduces the biodiversity of the area. […]

  • Extraordinary treefrog discovered in the Andes of Ecuador
    on January 3, 2019 at 4:06 pm

    A dazzling new species of treefrog was discovered at a remote tabletop mountain in the Ecuadorian Andes. The new species has an extraordinary characteristic, the presence of claw-like appendages at the base of the thumbs. […]

  • Is habitat restoration actually killing plants in the California wildlands?
    on January 2, 2019 at 7:07 pm

    New work shows for the first time just how widespread and deadly the threat of pathogens from restoration nurseries may be to natural forests. The team surveyed five native plant nurseries in Northern California and found that four harbored exotic, or non-native, Phytophthora pathogens. New management techniques, coupled with new methods for detecting pathogens, can help these nurseries limit the spread of exotic pathogens into the wild. […]

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