The phenotype of male Hymenoptera and the peculiar role of males has been neglected
and greatly understudied, given the spectacular cooperative behavior of female social …

An annotated taxonomic and nomenclatural catalogue of the insect order Strepsiptera is
presented. Known distributions and host associations are given as they are currently known …

In the paper wasp Polistes dominula, cuticular hydrocarbons play a critical role to acquire
information regarding conspecific individuals. However, the relationship between cuticular …

Detection of diseased individuals in a social group is a critical step of social immunity, to
prevent the spread of parasites or pathogens. Parasite-induced alterations of the host …

Wolbachia are widespread endosymbionts that affect arthropod reproduction and fitness.
Mostly maternally inherited, Wolbachia are occasionally transferred horizontally. Previously …

Brain plasticity is widespread in nature, as it enables adaptive responses to sensory
demands associated with novel stimuli, environmental changes and social conditions …

The parasitic insect Xenos vesparum induces noticeable behavioral and physiological
changes—eg castration—in its female host, the paper wasp Polistes dominula: parasitized …

Due to its huge invasion potential and specialization in honeybee predation, the invasive
hornet Vespa velutina nigrithorax represents a high-concern species under both an …

In social insects, post-hibernation queens of independent-founding species (eg bumble
bees, some ants and wasps) need to overcome various difficulties for survival and …

Females of many social Hymenoptera commit their reproductive potential to a single male;
they mate once and never re-mate. Sexual selection theory predicts that under this regimen …