Gudrun Koeniger


Ontology type: schema:Person     


Person Info

NAME

Gudrun

SURNAME

Koeniger

Publications in SciGraph latest 50 shown

  • 2017-03 Scientific note on Apis koschevnikovi chewing petals of an orchid flower (Dipodium species O’Byrne KIP1272) in Borneo in APIDOLOGIE
  • 2012-03 Ontogeny and morphology of the bulbus, part of the male reproductive organ in Apis mellifera carnica (Hymenoptera, Apidae) in APIDOLOGIE
  • 2011 Phylogeny of the Genus Apis in HONEYBEES OF ASIA
  • 2010-12-02 Comparative Reproductive Biology of Honeybees in HONEYBEES OF ASIA
  • 2007-11 Mating flight duration of Apis mellifera queens: As short as possible, as long as necessary in APIDOLOGIE
  • 2005-10 Reinforcing a barrier – a specific social defense of the dwarf honeybee (Apis florea) released by the weaver ant (Oecophylla smaragdina) in APIDOLOGIE
  • 2005-04 Paternity skew in seven species of honeybees (Hymenoptera: Apidae: Apis) in APIDOLOGIE
  • 2005-04 Drone competition at drone congregation areas in four Apis species in APIDOLOGIE
  • 2005-04 Variance in spermatozoa number among Apis dorsata drones and among Apis mellifera drones in APIDOLOGIE
  • 2005-04 Morphological and ultrastructural changes in the mucus glands of Apis mellifera drones during pupal development and sexual maturation in APIDOLOGIE
  • 2005-02 The nearer the better? Drones (Apis mellifera) prefer nearer drone congregation areas in INSECTES SOCIAUX
  • 2004-09 Sperm utilization pattern in the honeybee (Apis mellifera) in BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
  • 2004-09 Sperm utilization pattern in the honeybee (Apis mellifera) in BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
  • 2004-09 Instrumental insemination of Apis mellifera queens with hetero- and conspecific spermatozoa results in different sperm survival in APIDOLOGIE
  • 2004-07 Proteins in spermathecal gland secretion and spermathecal fluid and the properties of a 29 kDa protein in queens of Apis mellifera in APIDOLOGIE
  • 2003-07 Comparison of flight design of Asian honeybee drones in APIDOLOGIE
  • 2002-01 Mites from debris and sealed brood cells of Apis dorsata colonies in Sabah (Borneo) Malaysia, including a new haplotype of Varroa jacobsoni in APIDOLOGIE
  • 2000-08 Entomology: Home-site fidelity in migratory honeybees in NATURE
  • 2000-03 Mating flights and sperm transfer in the dwarf honeybee Apis andreniformis (Smith, 1858) in APIDOLOGIE
  • 2000-03 Quantitative analysis of the mandibular gland components of the dwarf honey bee (Apis florea Fabricius) in APIDOLOGIE
  • 2000-03 Reproductive isolation among species of the genus Apis in APIDOLOGIE
  • 1997 Body size and reproductive success of drones (Apis mellifera L) in APIDOLOGIE
  • 1996 Observations on colony defense of Apis nuluensis Tingek, Koeniger and Koeniger, 1996 and predatory behavior of the hornet, Vespa multimaculata Pérez, 1910 in APIDOLOGIE
  • 1996 A scientific note on weight and sperm numbers of drones of Apis nuluensis Tingek, Koeniger and Koeniger, 1996 in APIDOLOGIE
  • 1996 Interspecific rearing and acceptance of queens between Apis cerana Fabricius, 1793 and Apis koschevnikovi Buttel-Reepen, 1906 in APIDOLOGIE
  • 1996 Reproductive isolation of Apis nuluensis Tingek, Koeniger and Koeniger, 1996 by species-specific mating time in APIDOLOGIE
  • 1995-11 High degree of polyandry in Apis dorsata queens detected by DNA microsatellite variability in BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
  • 1994-03 Crossfostered drones ofApis cerana (Fabricius, 1793) andApis koschevnikovi (Buttel-Reepen, 1906) fly at their species specific mating times in INSECTES SOCIAUX
  • 1994 Mating flights, number of spermatozoa, sperm transfer and degree of polyandry in Apis koschevnikovi (Buttel-Reepen, 1906) in APIDOLOGIE
  • 1994 Drones of Apis dorsata (Fabricius 1793) congregate under the canopy of tall emergent trees in Borneo in APIDOLOGIE
  • 1993 Survival of Euvarroa sinhai Delfinado and Baker (Acari, Varroidae) on workers of Apis cerana Fabr, Apis florea Fabr and Apis mellifera L in cages in APIDOLOGIE
  • 1991 An evolutionary approach to mating behaviour and drone copulatory organs in Apis in APIDOLOGIE
  • 1991 Comparative anatomy of male genital organs in the genus Apis in APIDOLOGIE
  • 1990 Evidence of reproductive isolation confirms that Apis andreniformis (Smith, 1858) is a separate species from sympatric Apis florea (Fabricius, 1787) in APIDOLOGIE
  • 1990 Numbers of spermatozoa in queens and drones indicate multiple mating of queens in Apis andreniformis and Apis dorsata in APIDOLOGIE
  • 1990 Congregation of Apis cerana indica Fabricius 1798 drones in the canopy of trees in Sri Lanka in APIDOLOGIE
  • 1990 Male reproductive organs of Apis dorsata in APIDOLOGIE
  • 1989-06 Assortative mating in a mixed population of European Honeybees,Apis mellifera ligustica andApis mellifera carnica in INSECTES SOCIAUX
  • 1989 Mating and sperm transfer in Apis florea in APIDOLOGIE
  • 1989 The mountain bees of the Kilimanjaro region and their relation to neighbouring bee populations in APIDOLOGIE
  • 1989 A morphological comparison of the cavity dwelling honeybees of Borneo Apis koschevnikovi (Buttel-Reepen, 1906) and Apis cerana (Fabricius, 1793) in APIDOLOGIE
  • 1988 REPRODUCTIVE ISOLATION BY DIFFERENT TIME OF DRONE FLIGHT BETWEEN APIS CERANA FABRICIUS, 1793 AND APIS VECHTI (MAA, 1953) in APIDOLOGIE
  • 1988 REDISCOVERY OF APIS VECHTI (MAA, 1953): THE SABAN HONEY BEE in APIDOLOGIE
  • 1983 OBSERVATIONS ON MITES OF THE ASIAN HONEYBEE SPECIES (Apis cerana, Apis dorsata, Apis florea) in APIDOLOGIE
  • 1981 BEOBACHTUNGEN ÜBER DIE ANPASSUNG VON VARROA JACOBSONI AN IHREN NATÜRLICHEN WIRT APIS CERANA IN SRI LANKA in APIDOLOGIE
  • 1971-12 Die Füllung der Spermatheka der Bienenkönigin in ZEITSCHRIFT FÜR VERGLEICHENDE PHYSIOLOGIE
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