Organisms must make important decisions on how to allocate resources to reproduction. We
investigated allocation decisions in the social wasp Vespula maculifrons to understand how …

Until recently, studies examining the geographical distribution of insects in the Tuscan
Archipelago have focused on paleogeography as the primary influence on species …

Many populations introduced into a novel environment fail to establish. One underlying
process is the Allee effect, ie, the difficulty of individuals to survive and reproduce when rare …

Ongoing climate change affects various aspects of an animal's life, with important effects on
distribution range and phenology. The relationship between global warming and body size …

The costs and benefits of different social options are best understood when individuals can
be followed as they make different choices, something that can be difficult in social insects …

1. The effects of human presence on the behavioural response and productivity of a native
wasp species of North America (Polistes fuscatus) and an invasive wasp species (Polistes …

We observed aggregations of the sand wasp, Steniolia nigripes, in the Granite Mountains of
Southern California. Males gathered in open areas between bushes in a sun-dancing …

The expression of alternative traits that benefit eusocial individuals but are not directly
involved in reproductive differences among those individuals, which I call 'eusocially …

Studies of within-colony genetic conflicts have revealed that worker interests sometimes
prevail even when they conflict with the queens' interests. Male production is one area …