Sentences with phrase «on the caterpillars of»

They compared their effects on caterpillars of the cabbage looper moth (Trichoplusia ni), a major pest.
In the three - year experiment that is expected to start this summer, Bishop wants to measure the virus's effect on the caterpillars of six species of British moth as well as those of the cabbage looper.

Not exact matches

By the 1930s, the silk - producing caterpillar put Japan on the global market with 80 percent of the world's silk coming from the country.
So, I made Liam's cake (my favorite chocolate cake) with easy vanilla buttercream frosting and a fondant caterpillar on the top, but didn't have time to hand - sculpt each of the foods out of fondant.
German researchers have discovered that the flapping of bees» wings scares off caterpillars, reducing leaf damage on bell peppers and soybeans.
They are the caterpillars of the corn borer moth, that eat holes in the pods and then have a feast on the inside.
They are a 3 - 4 inch long green caterpillar that likes to hide on the underside of the...
I had a jar full of caterpillars and food and poop pretty much on my dining room table for a week.
On a clothes peg put a strip of the Double - Sided Super Sticky Tape — I love this brand as it really is sticky and it stays stuck, there's no mess or waiting unlike with glue and you're ready to play with the very hungry caterpillar straight away.
Remove the top layer and then stick the hungry caterpillar on with the head at the end of the peg that opens and closes when pinched.
We created this fun activity to learn the days of the week based on the book as the hungry caterpillar ate through the different food for the days of the week.
In The Very Hungry Caterpillar by Eric Carle, we have the pleasure of following along with a caterpillar as he eats his way through an assortment of foods, not quite satisfying his hunger on the way.
After I read it to him, he began to bombard me with lots of questions on how the caterpillar can grow becoming a colorful butterfly.
2018 Sessions: Operation: Habitat The Power of Pollen Caterpillars Under the Canopy Mad Scientists Take Flight Life on the Pond Farmyard Frolics *
With an easy Toddler / preschool caterpillar to crawl along and munch on some of it's favourite foods.
Most kids love the hungry caterpillar and we as moms do a lot of activities and crafts based on this book but did you know that there are also a bunch of the very hungry caterpillar activities on amazon?
None of them have master scissor cutting yet so I cut out the caterpillars for them loosely following the pencil line I had drawn on.
They lay their eggs on milkweed, and their caterpillars eat only the leaves of the plant.
Photographer and naturalist Samuel Jaffe spends countless hours collecting and carefully raising various species of Massachusetts caterpillars in order to capture their most stunning tricks on film.
One variety, a 2008 study says, has a hormone that controls when it changes from looking like bird droppings to looking like the leaf it lives on, which is the disguise it adopts in the last stage of caterpillar development.
After 10 months of freeloading, the caterpillars become butterflies and take off on their own.
But at least 64 of the 73 new species were actually specialists, each focusing its deadly attentions on just one or two caterpillar species.
What looks like a caterpillar chewing on a leaf or a beetle consuming fruit is likely a three - way battle that benefits most, if not all of the players involved, according to a Penn State entomologist.
Steve: In theory, you could have a handheld device like a glucose meter that a diabetic might use and you just, you know, take a hair of some animal, put it in the device, and you get an instant read up based on the analysis of that little DNA section of what species you're looking at and, you know, take your caterpillar example that might sound like something that just a level - headed field biologist would be interested in.
Based on the caterpillar's size, «that's the equivalent of a 76 - yard field goal in football,» Weiss said (beating the National Football League record by 13 yards).
Unlike most insects, the caterpillar Eloria noyesi feeds on the leaves of coca plants.
For years, chemical ecologist Dawn Luthe and her students wondered why fall armyworm caterpillars (Spodoptera frugiperda) let piles of feces, known as frass, accumulate on corn, trapped in the plant's cuplike whorls where the leaves join the stalk.
For some caterpillars, pooping where they eat is an unavoidable fact of life — even if it's on the very corn they eat.
A comparison of the dopamine receptors in the coke caterpillar with those of the silkworm, which doesn't feed on cocaine plants, revealed that E. noyesi has evolved resistance to the effects of the drug.
And the frass, which can become rather liquidy, is right next to the open wounds left by the caterpillar chewing on the plant,» says Luthe of Pennsylvania State University, University Park.
They hastily modified Quince, a survey droid on caterpillar treads that climbs stairs and debris, by equipping it with two cameras, a dosimeter, and a power and communications cable that stretched hundreds of meters.
When the team used forceps to simulate the peck of a bird's beak, the caterpillars forced air through the small holes on either side of their body — normally used for breathing — to produce a high - pitched whistle.
As caterpillars grow, they take on a characteristic chemical signature of the environment, with hydrogen, oxygen and other elements fixed in tissues in varying amounts.
While doing field research on wasps in 2010, D. J. Cox came across this gruesome scene of a praying mantis devouring a caterpillar that would, alas, never reach its monarch butterfly potential.
With that gene, a virus compels its caterpillar host to climb to a treetop, deliquesce and fall as a rosy rain of viral particles on healthy caterpillars below.
Infestations of the Helicoverpa caterpillar in Brazil's grain belt prompted the agriculture ministry on Monday to declare a state of emergency in the leading soy state of Mato Grosso, highlighting the potential risk to large parts of the crop.
Each egg - shaped chamber in the nest of this agriculturally inclined ant is a garden packed with composted caterpillar droppings, which fertilize the fungus the colony feeds on.
Using a laser and a tiny piece of reflective material on the leaf of the plant, Cocroft was able to measure the movement of the leaf in response to the chewing caterpillar.
A self - assembling robot might default to a standard configuration — the four - legged walker, perhaps — when embarking on a rescue mission, then shift into caterpillar or sidewinder mode if confronted with a stretch of debris that makes upright walking impossible.
He put caterpillars on plants that had not been attacked and found that after 8 days, 35 % of their flowers opened in the morning — compared with 11 % on unmolested plants.
This is a cabbage butterfly caterpillar feeding on an Arabidopsis plant where, on an adjacent leaf, a piece of reflective tape helps record vibrations.
«You could compare it to doing experiments on butterflies and expecting them to behave like caterpillars,» says Caroline Durif, a scientist at Norway's Institute of Marine Research, who was not involved in the work but co-authored the 2013 study, which used adult eels captured as they started their return migration to the Sargasso Sea.
«The caterpillars that feed on trees are trying to match the hatching of their eggs to the timing of bud burst.
But the knock - on effect is on nesting birds, which are also trying to hatch their chicks at the same time that there's the maximum number of caterpillars
Their findings, reported in the May 19 issue of the journal PLOS ONE, shed light on how the global caterpillar pest called pink bollworm overcomes biotech cotton, which was designed to make an insect - killing bacterial protein called Bt toxin.
But biologists have observed at least two species of butterfly caterpillars that perform a kind of tap dance on the leaves and stems of plants.
Carmen Blubaugh at Clemson University in South Carolina found that when caterpillars also snack on plants infested by aphids, the number of parasitoid wasps that attack the aphids decreases (Ecology, doi.org/ck8v).
In order to induce defense reactions, caterpillars of Spodoptera litura, a worldwide agricultural pest, were put on the plants.
DeVries says that when he placed caterpillars on plants where there were no ants, none of the larvae survived.
The scientists provide the first record of a caterpillar from the group feeding exclusively on pine trees, Picea morrisonicola, in Taiwan.
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