Titti Bohlin, Gabriella Gamberale-Stille, Sami Merilaita, Alice Exnerova, Pavel Stys, Birgitta S. Tullberg. 2012. The detectability of the colour pattern in the aposematic firebug, Pyrrhocoris apterus - an image-based experiment with human 'predators'. Biological Journal of the Linnean Society 105: 806-816.

Titti Bohlin, Birgitta S. Tullberg, Sami Merilaita. 2008. The effect of signal appearance and distance on detection risk in an aposematic butterfly larva (Parnassius apollo). Animal Behaviour 76: 577-584.

Birgitta S. Tullberg, Gabriella Gamberale-Stille, Titti Bohlin, Sami Merilaita. 2008. Seasonal ontogenetic colour plasticity in the adult striated shieldbug Graphosoma lineatum (Heteroptera) and its effect on detectability. Behavioral Ecology and Sociobiology 62: 1389-1396.