Sentences with phrase «of scale insect»

«We learned that the mutualism involves a third player: a species of scale insect that feeds on the tree sap and produces an excrement called honeydew, on which the ants also feed, and makes the ants a stronger mutualist.»
In these experiments, the researchers manipulated three variables while growing the willow oaks: temperature, water and the presence of scale insects.
The data included temperature, how water - stressed the trees were, and the density of scale insects.

Not exact matches

But the presence of increased heat and / or scale insects, when combined with water stress, had a multiplier effect — curtailing growth far more than water stress or scale insects alone.
«Recent studies found that scale insect populations increase on oak and maple trees in warmer urban areas, which raises the possibility that these pests may also increase with global warming,» says Dr. Elsa Youngsteadt, a research associate at NC State and lead author of a paper on the work.
Given the shared urban and historical pattern, the researchers also predicted that scale insects would be more abundant in rural forests today than in the past, as a result of recent climate warming.
«The urban and historical data are so well - aligned that we can view scale insect populations in cities as a preview of what to expect elsewhere,» Youngsteadt adds.
«We would see some vibrant urban trees covered in scale insects, but we'd also see other clearly stressed and struggling urban trees covered in scale insects,» says Emily Meineke, a postdoctoral researcher at Harvard and first author of a paper on the study.
But other scales researchers inspected were hollow with markings that distinctly resemble those of a living class of the insects that uses its proboscis to eat.
In Australia, they savored the sweet - and - sour tang of honey ants and sampled scale insect larvae, which taste like fresh mushrooms and pop softly in the mouth.
Lots of mimics therefore try to pass themselves off as ants, but one of the cleverest is this dark - footed ant spider, seen here crawling around on a leaf with some scale insects.
One factor is that researchers have found warmer temperatures increase the number of young produced by the gloomy scale insect — a significant tree pest — by 300 percent, which in turn leads to 200 times more adult gloomy scales on urban trees.
«We'd been seeing higher numbers of plant - eating insects like the gloomy scale in cities, and now we know why,» says Adam Dale, a Ph.D. student at NC State and lead author of two papers describing the work.
But when coauthor Timo van Eldijk, also at Utrecht, compared the newly found insect scales with those from silverfish, beetles and other scaly insects, modern scales of a big branch of the moth - butterfly lineage proved the best match.
Comparing the ridges and inner structure of the scales with those from modern insects suggests the fossils came from the evolutionary branch of insects that today gives us moths and butterflies with nectar - sipping mouthparts.
Their wings are composed of microscopic scales that protect the insect from moisture, and also produce elegant color patterns.
Professor Andrew Scott, one of the lead authors, said: «High oxygen levels in the atmosphere at this time has been proposed for some time and may be why there were giant insects and arthropods at this time but our research indicates that there was a significant impact on the prevalence and scale of wildfires across the globe and this would have affected not only the ecology of the plants and animals but also their evolution.»
Muscles also exhibit the property of scale invariance: their mechanism works equally efficiently at all sizes, which is why fundamentally the same muscle tissue powers both insects and elephants.
This deposit is famous for its intricate fossil preservation, and the moth specimen was so exquisite that Yale University paleontologist Maria McNamara and colleagues were able to zoom in on the insect's wings to detect the fine details of tiny scales.
«What is really exciting about this research is that our analysis of flapping - wing locomotion is not limited to insect - scaled vehicles,» said Chen.
As a doctoral student, Gwiazdowski trekked across North America from Mexico through Canada collecting an especially large number of armored scale insect specimens.
But for targeted control on the scale of towns and small cities, the modified insects could prove to be a useful tool.
«All we have been able to suggest to the authorities in Rodrigues has been to tidy up the wounds and try to protect against infestation of mealy bugs and scale insects,» says Maunder.
Lead authors of an article describing their work with scale insects in the current issue of the journal ZooKeys are AMNH's Isabelle Vea, Ben Normark of UMass Amherst and Rodger Gwiazdowski, once Normark's doctoral student and now a postdoctoral research fellow at the Biodiversity Institute of Ontario, Guelph.
The area of each of the safe sites (areas with residual pollen) on the animals» body as well as the area of the whole insect body (exoskeleton including projecting bristles of caput = head, thorax and abdomen) was measured from the photos with the image processing software Fiji [44], calculating from the scale paper.
In WP7, iBET will be involved in activities connected with mammalian and insect cell expression platform screening, and small - scale production and purification of candidate vaccines.
In WP7, iBET will be involved in activities relating to mammalian and insect cell expression platform screening, and small - scale production and purification of candidate vaccines.
This interactive infographic from Number Sleuth accurately illustrates the scale of over 100 items within the observable universe ranging from galaxies to insects, nebulae and stars to molecules and atoms.
We would also welcome work with conservationists of endangered, barberry - dependent insect species to ensure that planting of common barberry occurs away from arable land, thus safeguarding European cereals from a large - scale re-emergence of wheat stem rust.»
A major limitation of attempts to characterize patterns of change in the immune system across diverse insects is that, with few exceptions (e. g. [22]-RRB-, insect immune proteins have only been well characterized on a large scale in Dipterans, primarily in Drosophila melanogaster [23].
iBET will provide services related to mammalian and insect cell expression platform screening, and small - scale production and purification of candidate vaccines.
The mountain pine beetle (Dendroctonus ponderosae Hopkins, Coleoptera: Curculionidae, Scolytinae) is a native insect of the pine forests of western North America, and its populations periodically erupt into large - scale outbreaks.
Insect outbreaks such as this represent an important mechanism by which climate change may undermine the ability of northern forests to take up and store atmospheric carbon, and such impacts should be accounted for in large - scale modelling analyses.
When things go haywire and the countdown clock to a cataclysmic, Earth - wide geostorm starts, Devlin's movie (which he wrote with Paul Guyot, «The Librarians») metastasizes into the gargantuan - scale - but - still - cheap - looking version of a little boy's toy time that it always wanted to be: throwing baseballs at figurines (hailstorm in Japan), drowning playsets in the bathtub (tidal wave in Dubai), turning a magnifying glass on insects (death ray on Moscow), and blowing a fan on everything (the aforementioned tornadoes).
After careful trials, the first ever recorded introduction into Galapagos of a species for the purpose of biological control took place when the Australian ladybug Rodolia cardinalis was released to combat the scale insect.
Regina Silveira Mundus Admirabilis, a large - scale site - specific graphic vinyl installation engaging the façade of SITE's building, courtyard, and mezzanine, will depict a of insects that become an allegory for global corruption and environmental degradation.
You can isolate the elements of a great Gorky: the decoupling of colour from line, the trademark shapes, from winged biomorphs to quirky triangles, their points on the verge of bursting open; the sense of being nose - deep in a scene that might be scaled to an insect or a giant, being equally intimate and epic; of teeming incidents held in nebulous space.
The discovery led first of all to a series entitled Cleopatra, in which revolving electric lights imitated the movement of the insects in the dark, then to the monumentally scaled moths he exhibited in the Arsenal pavilion in 2017.
Belying the humble status of dung beetles — insects that burrow their broods in balls of animal excrement — Thater's video enlarges the beetles» scale and flips them skyward.
O'Keeffe's more moderately scaled paintings were so closely cropped to their subjects that they instill in the viewer a sense of having physically shrunken to a diminutive, nearly insect - like size.
I think the coloring in this dress is striking, and I love that it's all from natural dyes — indigo comes from a plant and the exhibit's program says that Cochineal is a «scale insect that feeds on the Nopal cactus in arid areas of Mexico, Peru, Chile, and the Canary Islands.»
This team is the first to account for large scale insect outbreaks in an analysis of forest carbon balances - and to show the positive feedback loop between climate change and warmth loving insect pests.
So there is the first bit of information: If you do not believe that the climate is warming on a global scale then in terms of evolution you are less knowledgeable about your environment (less intelligent) then the great majority of animals, plants, insects, and even ocean dwelling single celled organisms like plankton.
There it was: During relatively cool historical time periods, only 17 % of branches had scale insects.
A wide range of other observations (such as reduced Arctic sea ice extent and increased ocean heat content) and indications from the natural world (such as poleward shifts of temperature - sensitive species of fish, mammals, insects, etc.) together provide incontrovertible evidence of planetary - scale warming.
Based on his research, he believes that once production of edible insects is scaled up, the impact of feed, energy, processing and transportation will make bugs no more sustainable than conventional protein sources.
We hear that there is looming banana crisis in Costa Rica — the world's 2nd leading exporter of the fruit — as this year's crop is being threatened by an infestation of mealybugs, scale insects, and fungal infection.
Food writer Mintz questions how likely it is that insects will solve the world's food woes, suggesting that «once production of edible insects is scaled up, the impact of feed, energy, processing and transportation will make bugs no more sustainable than conventional protein sources.»
a b c d e f g h i j k l m n o p q r s t u v w x y z