Other academic

Fredrik Ronquist, Sibylle Häggqvist, Mattias Forshage, Dave Karlsson, Jaschhof Mathias, Tom Britton, Jostein Kjaerandsen, Johannes Bergsten, Ulf Gärdenfors. Size and Composition of the Swedish Insect Fauna.

Sibylle Häggqvist, Sven Olof Ulefors, Fredrik Ronquist. Phylogeny and species-group classification of the mega-diverse genus Megaselia (Diptera, Phoridae).

Sibylle Häggqvist, Sven Olof Ulefors, Fredrik Ronquist. The spinigera group of Megaselia (Diptera, Phoridae) - molecular phylogeny, revision of the known Swedish fauna, and description of a new species.