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- Heteroptera (1) (entfernen)
Heteropteran communities in the canopies of Silver fir (Abies alba) and spruce (Picea abies) were studied at three lowland and three mountainous sites throughout Bavaria using flight-interception traps. At one lowland site sampling was extended to oak (Quercus petraea). A significantly higher number of species and specimens occurred on fir when compared to spruce. Including all sampled species, numbers on fir were even higher than on oak. Excluding tourists, oak was most species rich. Results demonstrate that fir, spruce, and oak harbour distinct communities. While specific communities including several rare species (e.g. Actinonotus pulcher, Psallus punctulatus) were found on fir, mainly generalists were found on spruce. Pinalitus atomarius, Cremnocephalus alpestris, Phoenicocoris dissimilis and Orius minutus significantly preferred fir. Therefore, with an increased cultivation of fir in lieu of spruce, an increase in Heteropteran diversity can be expected.