Observations on hive- and humble-bees. Perforating habits differ in different individuals of the same species.
Showing 1–5 of 5 items
Observations on hive- and humble-bees. Perforating habits differ in different individuals of the same species.
Bombus mastrucatus, an alpine bee, conforms to his observations that B. terrestris breaks open the flowers of Trifolium pratense. However, in the Alps, B. terrestris does not behave this way.
Gentiana species are adapted to lepidopteran cross-fertilisation.
He has never observed the straight line flight routes in male humble-bees that CD reports.
His last letter was in error: alpine Bombus terrestris does break into some flowers.
Thanks for Cross and self-fertilisation.
Fritz Müller has been appointed "Naturalista Viajante" of the Rio de Janeiro Museum, which will help his income greatly.
No papers on heterostyly have appeared since 1873.