The reproductive biology of euglossine-pollinated plants in the natural reserve Nouragues, French Guiana [Elektronische Ressource] / vorgelegt von Heiko Hentrich

THE REPRODUCTIVE BIOLOGY OF EUGLOSSINE-POLLINATED PLANTS IN THE NATURAL RESERVE NOURAGUES, FRENCH GUIANA DISSERTATION zur Erlangung des Doktorgrades Dr. rer. nat. der Fakultät für Naturwissenschaften der Universität Ulm vorgelegt von Heiko Hentrich aus Schwäbisch Hall Ulm 2008 Amtierender Dekan: Prof. Dr. Klaus-Dieter Spindler Erstgutachter: Prof. Dr. Gerhard Gottsberger Zweitgutachter: Prof. Dr. Manfred Ayasse Tag der Promotion: Legend to pictures of the title page: A B A: Euglossa cf. chalybeata approaching flower of Voyria clavata (Gentianaceae) C D B: cf. chalybeataRapatea paludosa (Rapateaceae) C: Exaerete frontalis sucking nectar at a flower of Bonafousia disticha (Apocynaceae) D: Eulaema bombiformis collecting floral perfume at an inflorescence of Spathiphyllum humboldtii (Araceae) Table of contents TABLE OF CONTENTS Summary................................................................................................................. 1 Zusammenfassung ..................................................................................................................19 CHAPTER 1 REPRODUCTIVE ISOLATION BY FLORAL SCENT IN THREE SYMPATRIC EUGLOSSINE-POLLINATED ANTHURIUM AND SPATHIPHYLLUM (ARACEAE) SPECIES IN FRENCH GUIANA ............................................................