Apocheima cinerarius

The present study is a first record of spider occurrence on Robben Island, South Africa. Some habitats were rich in lichens. As… Expand

The rapid rise in frequency of melanic morphs in several moth species, especially the peppered moth Biston betularia, in… Expand

We examined the resting behaviour during pairing and egg-laying of bred female Biston betularia (L.) after they were set free at… Expand

New data show the geographical pattern of frequency of the melanic morph carbonaria of the peppered moth, Biston betularia, in… Expand

The evolution of dominance is both the simplest and best investigated example of the evolution of genetic systems. Nevertheless… Expand

SummaryThe melanic swettaria form of Biston betularia cognataria is at low frequency in two localities in the central… Expand

The modern understanding of industrial melanism in the moth, Biston betularia, is presented. The maintenance of a dynamically… Expand

THE polymorphism exhibited by the two-spot ladybird, Adalia bipunctata Linn., in which specimens have a red ground colour and… Expand

Frequencies of the Melanic Forms of the Moth Biston Betularia (L.) on Deeside and in Adjacent Areas 

THE Lepidoptera, with their frequent examples of highly specialized cryptic coloration, have been used extensively for… Expand