Sentences with phrase «on scale insect»

Not exact matches

Fossilized mothlike insects from the Jurassic Period bear textured scales on their forewings that could display iridescent colors, researchers report April 11 in Science Advances.

«Scale insects were most likely to be present on specimens collected during warm historical time periods, and scales were most abundant when temperatures were similar to modern, urban Raleigh.»

«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.

«More scale insects would be a problem, since scales can weaken or kill the trees they live on,» Youngsteadt says.

«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.

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.

This image highlights the impact that a scale insect infestation can have on red maples.

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.

«This work makes us think that increasing urbanization and rising temperatures associated with global climate change could lead to increases in scale insect populations, which could have correspondingly negative effects on trees like the red maple,» Dale says.

That supports the differences we saw in scale insect abundance on the trees.

«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.»

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.»

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.

«You can't bring fruit into the country because it very often has scale insects on it, but you'd hardly know it.

Researchers still need to refine the system and test it on a larger scale before the insects hit the front lines, Schetelig says.

But for targeted control on the scale of towns and small cities, the modified insects could prove to be a useful tool.

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.

Depending on the species, cichlids may scrape algae from rocks, feed on plankton, crack open snail shells, forage for insect larvae, or prey on other fish, including their eggs or scales.

Though the field trials have been relatively small so far, the operationally similar Sterile Insect Technique has been successfully used to eliminate pests on various scales up to continent - wide.

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].

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).

If the player gives Nat an entry that breaks the first - place record during the Bug - Off, and the bug scores at least 80 points on his rating scale, he will reward the player with an item from the Insect Set.

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.

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.»

Most Coccinellids are beneficial to gardens, as they feed on aphids, scale insects, mealybugs, and mites throughout the winter.

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.

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.

Apparently, this scale houses an insect that feeds on the tree's sap and leaks honeydew onto the ground below.