Publications

Dec 2010

Ophiostoma spp. associated with pine and spruce-infesting bark beetles in Finland and Russia

Linnakoski, R., De Beer, Z.W., Ahtiainen, J., Sidorov, E. et al.

Persoonia

The timber and pulp industries of Finland rely heavily on importations from Russia as source of raw timber. These imports raise...

Dec 2010

Eight new Leptographium species associated with tree-infesting bark beetles in China

Paciura, D., De Beer, Z.W., Jacobs, K., Zhou, X.D. et al.

Persoonia

Leptographium spp. are anamorphs of Grosmannia residing in the order Ophiostomatales. These fungi are typically associated with...

Jan 2009

Sustainable multiple queen colonies of honey bees, Apis mellifera ligustica

Zheng, Huo-Qing, Jin, Shui-Hua, Hu, Fu-Liang, Pirk, Christian W. W.

JOURNAL OF APICULTURAL RESEARCH

Honey bee multiple queen colonies composed of several mated queens able to move around freely were produced by modulating...

Nov 2009

Sun angle time windows for absconding by the dwarf honeybee, Apis florea

Duangphakdee, Orawan, Radloff, Sarah E., Pirk, Christian W. W., Hepburn, Randall

JOURNAL OF INSECT PHYSIOLOGY

In Asia, the red dwarf honeybee, Apis florea, is notorious for its absconding habit. Interestingly, such colonies show a bimodal...

2009

Is there a need for conservation of honeybees in Africa?

Dietemann, Vincent, Pirk, Christian W. W., Crewe, Robin M.

Apidologie

2009

Sun angle time windows for absconding by the dwarf honeybee, Apis florea

Duangphakdee, Orawan, Radloff, Sarah E., Pirk, Christian W. W., Hepburn, Randall

Journal of Insect Physiology

In Asia, the red dwarf honeybee, Apis florea, is notorious for its absconding habit. Interestingly, such colonies show a bimodal...

2009

Worker reproduction in mixed-species colonies of honey bees

Tan, Ken, Yang, Mingxian, Radloff, Sarah, Pirk, Christian W. W. et al.

Behavioral Ecology

To explore reasons for the unusually high rates of worker ovary activation in Apis cerana, we investigated the reproductive...

2009

Intra- and interspecific brood recognition in pure and mixed-species honeybee colonies, Apis cerana and A. mellifera

Tan, Ken, Yang, Mingxian, Radloff, Sarah E., Yu, Yushen et al.

Apidologie

We studied the effects of mixed honeybee colonies of Apis mellifera and Apis cerana on the intraspecific and interspecific...

2009

Sustainable multiple queen colonies of honey bees, Apis mellifera ligustica

Zheng, Huo-Qing, Jin, Shui Hua, Hu, Fu Liang, Pirk, Christian W. W.

Journal of Apicultural Research