Horticultural information serviceYou need information on a plant? Contact our experts at the horticultural information service.Entomological information serviceYou need information on an insect? Contact our experts at the entomological information service.Learn moreThe Green PagesAre you passionate about gardening and horticulture? Find a wealth of information in the Green Pages. Insects and other arthropodsDiscover the universe of insects: Learn to recognize species and learn about their lifestyles. AstronomyAre you intrigued by planets, stars and the diversity of astronomical phenomena? Check out this section.