Heliövaara, K. & Väisänen, R. 1987: Geographic variation in the life-history of Aradus cinnamomeus and a breakdown mechanism of the reproductive isolation of allochronic bugs (Heteroptera, Aradidae). — Annales Zoologici Fennici 24: 1–17.
Full text (print quality pdf generated from scanned pages)

Pamilo. P., Pekkarinen, A. & Varvio, S.-L. 1987: Clustering of bumblebee subgenera based on interspecific genetic relationships (Hymenoptera, Apidae: Bombus and Psithyrus). — Annales Zoologici Fennici 24: 19–27.
Full text (print quality pdf generated from scanned pages)

Pekkarinen, M. 1987: Notes on a gymnophallid trematode, assumed to be Parvatrema affinis (Jameson & Nicoll, 1913) from Macoma balthica (L.) (Bivalvia). — Annales Zoologici Fennici 24: 29–37.
Full text (print quality pdf generated from scanned pages)

Kurtén, B. & Granqvist, E. 1987: Fossil pardel lynx (Lynx pardina spelaea) from a cave in southern France. — Annales Zoologici Fennici 24: 39–43.
Full text (print quality pdf generated from scanned pages)

Fortelius, W., Pamilo, P., Rosengren, R. & Sundström, L. 1987: Male size dimorphism and alternative reproductive tactics in Formica exsecta ants (Hymenoptera, Formicidae). — Annales Zoologici Fennici 24: 45–54.
Full text (print quality pdf generated from scanned pages)

Sunila, I. 1987: Histopathology of mussels (Mytilus edulis L.) from the Tvarminne area, the Gulf of Finland (Baltic Sea). — Annales Zoologici Fennici 24: 55–69.
Full text (print quality pdf generated from scanned pages)

Virtanen, E. 1987: Correlations between energy metabolism, osmotic balance and external smolt indices in smolting young salmon, Salmo salar L. — Annales Zoologici Fennici 24: 71–78.
Full text (print quality pdf generated from scanned pages)

Ranta, E., Tjossem, S. F. & Leikola, N. 1987: Female-male activity and zooplankton foraging by the smooth newt (Triturus vulgaris). — Annales Zoologici Fennici 24: 79–88.
Full text (print quality pdf generated from scanned pages)