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Changing paradigms in insect social evolution: insights from halictine and allodapine bees.
Until the 1980s theories of social insect evolution drew strongly on halictine and allodapine bees. However, that early work suffered from a lack of sound phylogenetic inference and detailed… Expand
The response of gas in a galactic disk to bar forcing
- M. Schwarz
- 1 July 1981
Evolution of sociality in the allodapine bees: a review of sex allocation, ecology and evolution
Summary: Comparative studies provide one of the most powerful means of assessing the relative roles of selective agents underlying social evolution in insects. Because of the wide variation in social… Expand
Numerical modelling of gas-liquid flow in stirred tanks
Abstract A numerical modelling method is presented for gas–liquid flow in mechanically stirred tanks. In this method, the tank is represented by a mesh which explicitly includes the impeller… Expand
Bee conservation in Sub-Saharan Africa and Madagascar: diversity, status and threats
Sub-Saharan Africa and Madagascar contain a wealth of bee diversity, with particularly high levels of endemicity in Madagascar. Although Africa contains seven biodiversity hotspots, the bee fauna… Expand
Molecular phylogeny of the large carpenter bees, genus Xylocopa (Hymenoptera: apidae), based on mitochondrial DNA sequences.
Carpenter bees, genus Xylocopa Latreille, a group of bees found on all continents, are of particular interest to behavioral ecologists because of their utility for studies of the evolution of mating… Expand
How bar strength and pattern speed affect galactic spiral structure
- M. Schwarz
- 1 July 1984
On etudie la reponse d'un disque gazeux a des barres stellaires en rotation de differentes intensites et differentes vitesses
Molecular phylogenetics of allodapine bees, with implications for the evolution of sociality and progressive rearing.
Allodapine bees have long been regarded as providing useful material for examining the origins of social behavior. Previous researchers have assumed that sociality arose within the Allodapini and… Expand
Persistent multi-female nests in an Australian allodapine bee,Exoneura bicolor (Hymenoptera, Anthophoridae)
- M. Schwarz
- Insectes Sociaux
- 1 September 1986
SummaryThe life cycle and aspects of the social organization ofExoneura bicolor are described for the first time. The population studied was univoltine, with egg production occuring from late winter… Expand
Molecular phylogenetics of the exoneurine allodapine bees reveal an ancient and puzzling dispersal from Africa to Australia.
Previous phylogenetic studies of the bee tribe Allodapini suggested a puzzling biogeographic problem: one of the key basal divergences involved separation of the southern African and southern… Expand