Sentences with phrase «caterpillar frass»

Not exact matches

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.

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.