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  1. Article

    Open Access

    Benefits of insect colours: a review from social insect studies

    Insect colours assist in body protection, signalling, and physiological adaptations. Colours also convey multiple channels of information. These channels are valuable for species identification, distinguishing...

    Oluwatobi Badejo, Oksana Skaldina, Aleksei Gilev, Jouni Sorvari in Oecologia (2020)

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  2. No Access

    Article

    The invasive herb Lupinus polyphyllus attracts bumblebees but reduces total arthropod abundance

    Invasive plant species generally reduce the abundance and diversity of local plant species, which may translate into alterations at higher tropic levels, such as arthropods. Due to the diverse functional roles...

    Satu Ramula, Jouni Sorvari in Arthropod-Plant Interactions (2017)

  3. No Access

    Article

    Forest clearing and sex ratio in forest-dwelling wood ant Formica aquilonia

    Sex ratios of ants have been shown to vary with food resource levels in several studies, but it is not known whether forest clear-cutting has any effect on sex ratio of aphid-tending forest-dwelling ants. We i...

    Jouni Sorvari, Harri Hakkarainen in Naturwissenschaften (2007)

  4. No Access

    Article

    Individual variation in immune function in the ant Formica exsecta; effects of the nest, body size and sex

    It has been generally thought that sex differences in the immune system are the result of the differing life history strategies of the sexes, although the available data are not entirely consistent with the hy...

    Liisa Vainio, Harri Hakkarainen, Markus J. Rantala, Jouni Sorvari in Evolutionary Ecology (2004)