Publications

2016

High Royal Jelly-Producing Honeybees (Apis mellifera ligustica) (Hymenoptera: Apidae) in China

Cao, Lian-Fei, Zheng, Huo-Qing, Pirk, Christian W. W., Hu, Fu-Liang et al.

Journal of Economic Entomology

China is the largest producer and exporter of royal jelly (RJ) in the world, supplying >90% of the global market. The high...

Jun 2016

Sucrose Sensitivity of Honey Bees Is Differently Affected by Dietary Protein and a Neonicotinoid Pesticide

DÈmares, Fabien J., Crous, Kendall L., Pirk, Christian W. W., Nicolson, Susan W. et al.

PLoS ONE

<p>Over a decade, declines in honey bee colonies have raised worldwide concerns. Several potentially contributing factors have...

Nov 2015

Honeybee health in Africa—a review

Pirk, Christian W. W., Strauss, Ursula, Yusuf, AbdullahiA, Démares, Fabien et al.

Apidologie

Dec 2015

Resistance rather than tolerance explains survival of savannah honeybees (Apis mellifera scutellata) to infestation by the parasitic mite Varroa destructor

Strauss, Ursula, Dietemann, Vincent, Human, Hannelie, Crewe, Robin M. et al.

Parasitology

Varroa destructor is considered the most damaging parasite affecting honeybees (Apis mellifera L.). However, some honeybee...

Oct 2016

Effects of a neonicotinoid pesticide on thermoregulation of African honey bees (Apis mellifera scutellata)

Tosi, Simone, Démares, Fabien J., Nicolson, Susan W., Medrzycki, Piotr et al.

Journal of Insect Physiology

Thiamethoxam is a widely used neonicotinoid pesticide that, as agonist of the nicotinic acetylcholine receptors, has been shown...

Jun 2016

Identification of Multiple Loci Associated with Social Parasitism in Honeybees

Wallberg, A., Pirk, C. W., Allsopp, M. H., Webster, M. T.

Plos Genetics

In colonies of the honeybee Apis mellifera, the queen is usually the only reproductive female, which produces new females (queens...

Jan 1970

Genome-wide identification of breed informative SNPs in three South African indigenous cattle breeds

SAJAS

Access to genotyping assays enables the identification of informative markers that discriminate between cattle breeds....

Jan 2016

Dynamics of bacterial and archaeal amoA gene abundance after additions of organic inputs combined with mineral nitrogen to an agricultural soil. Journal of Nutrient Cycling in Agroecosystems.

Muema EK, Cadisch G, Musyoki MK, Rasche F

Nutrient Cycling in Agroecosystems

Dynamics of ammonia-oxidizing bacterial (AOB) and archaeal (AOA) abundance was assayed in a tropical Humic Nitisol during two...

Sep 2016

Soil texture modulates the response of ammonia-oxidizing prokaryotes to biochemical quality of organic inputs in tropical agricultural soils.

Muema EK, Cadisch G, Rasche F

Soil Biology and Biochemistry

Soil texture modulates the response of ammonia-oxidizing bacterial (AOB) and archaeal (AOA) communities to biochemical quality of...