Sentences with phrase «own frass»

She found that 14 of 17 caterpillars whose shelters were decorated with frass were eaten within 5 minutes.

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.

But another group of caterpillars whose houses were decorated with similar - sized glass beads all survived, indicating that skippers shoot frass to avoid attracting predators.

Weiss put the leaf houses in small boxes to see what would happen when frass accumulated.

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.

To the scientists» surprise, the frass contained sexual pheromones.

The presence of frass not only attracts more flies, the flies also eat and excrete more, and this raises the attractiveness of a food source further.

They found some frass (the proper terminology for insect poo) and about 30 eggs in the soil.

The next step was to chemically analyze the frass to find out which odor components of the flies» feces were appetizing.

The frass odors are not only species - specific, they are also different in males and females.

Larvae hatching from these eggs might benefit from the presence of the larvae that were there previously: They could process the food more easily when it has been «pre-digested» by microorganisms in the frass of their conspecifics.

«Even though it is known that some beetle species use their fecal excretions to pass information to their conspecifics, we were surprised about how highly attractive even the smallest amounts of frass were to vinegar flies,» reports Ian Keesey, the first author of the study.

The scientists found out about this clever mechanism when they analyzed larval frass.

When the researchers examined the frass of these pests − pests that cause enormous crop damage −, they found the toxin with sugar still attached.

It is believed the fungus spreads through the environment by beetles boring into dead infected trees, generating disease - tainted frass [5] that is then spread via wind.

I am a sass and frass kind of gal!

By Gavin saying that the tacit knowledge he has gives him the ability to sort the important papers from the frass, he is really saying that he is sorting his preferred papers from his non-preferred papers.

«Cricket manure, or «frass», is a natural plant food providing balanced nutrients, beneficial bacteria, and chitin for the development of healthy roots, built - in pest resistance and strong growth.»

Joy Hillier raises crickets and collects their poop or frass, as they call it politely, and turns it into plant food.

One telltale sign is frass.