The immigration of Lepidoptera to the British Isles in 1981, including that of the monarch butterfly: Danaus plexippus L. (concluded from page 87)

R F Bretherton

Published in Entomologist's Record and Journal of Variation, in 1982, in volume 94, issue 7-8, pages 141-146

Date published:1982

BHL: 29828662
View PDF