Sentences with phrase «produced by the beetles»

«Stridulation, or chirping, sounds produced by the beetles have been reported with respect to mating and aggressive male behavior, and while previous studies proposed the mechanism and reported on some preliminary acoustic recording of the chirps, the chirp characteristics have not been examined extensively,» explained John Allen, a scientist at the University of Hawaii.

Not exact matches

When a species of nightshade is injured by hungry beetles, it produces sugary nectar at the wound site.

In nature, the Cyphochilus beetle, which is native to Southeast Asia, produces its ultra-white colouring not through pigments, but by exploiting the geometry of a dense network of chitin — a molecule which is also found in the shells of molluscs, the exoskeletons of insects and the cell walls of fungi.

Like the beetle scales, the cellulose membranes are extremely thin: just a few millionths of a metre thick, although the researchers say that even thinner membranes could be produced by further optimising their fabrication process.

For example, one beetle that is frequently killed off early by a parasite has adapted by increasing its sexual activity and producing more offspring, Thomas notes.

A team of architects and engineers from the University of Stuttgart devised a robotic technology to produce this glass - and - carbon - fiber pavilion inspired by the shells of flying beetles.

It is widely accepted that aggressive beetle species overwhelm the trees» physiological abilities to produce defensive tissues and chemicals by recruiting threshold numbers of individuals (Christiansen [1985]; Wallin and Raffa [2000], [2004]; Huber et al. [2004]; Franceschi et al. [2005]-RRB-.