We studied the orientation behaviour of the Colorado potato beetle towards host plant odours on the servosphere. Starved beetles respond to host plant odours by moving upwind. Individual walking tracks ...
Read more »The aphid sense of smell is located in the antennae. By recording the responses of the antennae (electroantennograms) we measured the response profiles of different aphid species and now can tell what ...
Read more »Aphids were tested in a simple but extremely effective olfactometer, the T-bar. They avoided a variety of plant odour components and essential oils. The repellent (-)-(R)-carvone acts on several aphid ...
Read more »This website presents three unpublished studies related to insect olfaction of plant odour. During my employment as insect physiologist at the Wageningen Agricultural University I did not find enough time to publish these studies. But l still felt obliged to share this information and, therefore, presented the unpublished studies on the website olfacts.nl. In olfacts.com I have updated the website to WordPress. I hope you enjoy the new version. 
Hans Visser, Bennekom, The Netherlands
