Female parthenogenesis, or thelytoky, is particularly common in solitary Hymenoptera. Only
more recently has it become clear that many eusocial species also regularly reproduce …

Cataglyphis ants comprise one of the most characteristic groups of insects in arid regions
around the Mediterranean basin and have been intensively studied over the last 30 years …

Wolbachia is a genus of bacterial endosymbionts that impacts the breeding systems of their
hosts. Wolbachia can confuse the patterns of mitochondrial variation, including DNA …

The dominance of the diploid state in higher organisms, with haploidy generally confined to
the gametic phase, has led to the perception that diploidy is favored by selection. This view …

The near-ubiquity of sexual reproduction in animal species has long been considered a
paradox because sexually reproducing individuals transmit only half of their genome to their …

Thelytokous parthenogenesis, that is, the production of diploid daughters from unfertilized
eggs, may involve various cytological mechanisms, each having a different impact on the …

The evolution and maintenance of sexual reproduction is believed to involve important
tradeoffs. Queens of social insects face a dilemma over the costs and benefits of sexual and …

Asexual reproduction is particularly common among introduced species, probably because
it helps to overcome the negative effects associated with low population densities during …

The reproductive partitioning generates a persistent conflict within insects societies and a
sustained theoretical and empirical attention is devoted to understand its resolution. In that …

The social systems of ants are far more variable than has traditionally been believed. In
addition to variation in queen number and queen mating frequency, recent research has …