Fiddler crabs show two different mating modes: either females search and crabs mate underground in male burrows, or males search and crabs mate on the surface near female burrows. We explored the relationship between crab ...

This study determined how many times alates of Paratrechina flavipes (Hymenoptera: Formicidae) can copulate in the field and laboratory. In the field, females preferred to mate once and the mating number of males is unknown. ...

This study determined how many times alates of Paratrechina flavipes (Hymenoptera: Formicidae) can copulate in the field and laboratory. In the field, females preferred to mate once and the mating number of males is unknown. ...

Assortative mating by size has been argued to be widespread in the animal kingdom. However, the strength of size-assortative mating is known to vary considerably between species and the underlying mechanisms promoting this ...

In eusocial Hymenoptera, females are more tolerant towards nest-mate than towards non-nest-mate females. In solitary Hymenoptera, females are generally aggressive towards any conspecific female. Field observations of the ...

The yerba mate (Ilex paraguariensis) is a native of Argentina, Brazil and Paraguay and has important social, economic and cultural, especially the southern states of Brazil, produced by smallholders and sold by herb-producing ...