Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Hellrigl, K., and W. Schwenke. 1985. Begleitinsekten in Buchdrucker-Pheromonfallen in Sudtirol [Accompanying insects in Ips typographus pheromone traps in south Tyrol] . Anzeiger fur Schadlingskunde Pflanzen- und Umweltschutz 58:47-50.