Multiculturalism and social integration in Europe

S Dijkstra, K Geuijen… - … Political Science Review, 2001 - journals.sagepub.com
In an era of increasing cultural diversity within nation-sates and the deterritorialization of
cultures and peoples, the notion of a national citizenship signifying a single, homogenized …

[PDF][PDF] Reproduction of Varroa jacobsoni during successive brood cycles of the honeybee

A De Ruijter - Apidologie, 1987 - apidologie.org
Newly capped worker brood cells were numbered on a sheet of transparent plastic, temporarily
attached to the top bar using two thumbtacks. Into each cell an adult female Varroa mite …

Year-round production of bumble bee colonies for crop pollination

C Van Heemert, A De Ruijter, J Van den Eijnde… - Bee World, 1990 - Taylor & Francis
Economic aspects of the use of honeybees as pollinators for many agricultural crops are
nowadays receiving more attention. In several countries beekeepers and scientists have tried to …

Cultural pluralism and citizenship

A De Ruijter - Cultural dynamics, 1995 - journals.sagepub.com
Several scientists and politicians state that society will disintegrate if its members are not
strung more or less like beads on a string of common motives, cognitions and values. They …

Method for rearing Bombus terrestris continuously and the production of bumblebee colonies for pollination purposes.

J Van den Eijnde, A De Ruijter… - … on Pollination 288, 1990 - actahort.org
It is now known that bumblebees can pollinate tomato flowers in glasshouses during the
whole growing season (January-September). This means that there is a huge market for …

Molecular characterization of Nosema bombi (Microsporidia: Nosematidae) and a note on its sites of infection in Bombus terrestris (Hymenoptera: Apoidea)

I Fries, AAD De Ruijter, RJ Paxton… - Journal of Apicultural …, 2001 - Taylor & Francis
Investigations of queen, worker and male bumble bees (Bombus terrestris) showed that all
individuals became infected with Nosema bombi. Infections were found in Malpighian tubules…

Effective biotechnical control of Varroa: applying knowledge on brood cell invasion to trap honey bee parasites in drone brood

JNM Calis, WJ Boot, J Beetsma… - Journal of Apicultural …, 1999 - Taylor & Francis
Biotechnical methods of varroa (Varroa jacobsoni) control are based on the idea that mites
inside brood cells are trapped and can then easily be removed from a honey bee (Apis …

Commercial bumblebee rearing and its implications.

A De Ruijter - VII International Symposium on Pollination 437, 1996 - actahort.org
Commercial rearing of Bumblebees started less than 10 years ago in the Netherlands and
in Belgium when it became apparent that Bumblebee pollination could replace hand …

How a European health union can strengthen global health

I Kickbusch, A De Ruijter - The Lancet Regional Health–Europe, 2021 - thelancet.com
journal homepage: www. elsevier. com/lanepe funds to prop up hard hit health care systems
in Member States are some indications of why change might be in the air. From January …

The anatomy of the Varroa-mite.

AD Ruijter, JP Kaas - 1983 - cabidigitallibrary.org
Male and female mites were studied by dissection and by examination of Giemsa-stained
sections. Details of the internal anatomy and histology are illustrated by means of photographs …