We tested the hypothesis that adults of flightless long-winged (macropterous) and short-winged (brachypterous) morphs of Pyrrhocoris apterus (L.) (Heteroptera) differ in their walking path ...

PREVIOUS investigations of normal adult female Pyrrhocoris have demonstrated cyclic changes in the rate of oxygen consumption closely correlated with cycles of ovarian development and oviposition.

The evolutionary success of herbivorous insects and their diversification into a wide range of ecological niches is closely connected to the diversification of their host plants (Ehrlich and Raven, ...