TY  - JOUR
A1  - Cavaletto, Giacomo
A1  - Faccoli, Massimo
A1  - Marini, Lorenzo
A1  - Spaethe, Johannes
A1  - Magnani, Gianluca
A1  - Rassati, Davide
T1  - Effect of trap color on captures of bark- and wood-boring beetles (Coleoptera; Buprestidae and Scolytinae) and associated predators
JF  - Insects
N2  - Traps baited with attractive lures are increasingly used at entry-points and surrounding natural areas to intercept exotic wood-boring beetles accidentally introduced via international trade. Several trapping variables can affect the efficacy of this activity, including trap color. In this study, we tested whether species richness and abundance of jewel beetles (Buprestidae), bark and ambrosia beetles (Scolytinae), and their common predators (i.e., checkered beetles, Cleridae) can be modified using trap colors different to those currently used for surveillance of jewel beetles and bark and ambrosia beetles (i.e., green or black). We show that green and black traps are generally efficient, but also that many flower-visiting or dark-metallic colored jewel beetles and certain bark beetles are more attracted by other colors. In addition, we show that checkered beetles have color preferences similar to those of their Scolytinae preys, which limits using trap color to minimize their inadvertent removal. Overall, this study confirmed that understanding the color perception mechanisms in wood-boring beetles can lead to important improvements in trapping techniques and thereby increase the efficacy of surveillance programs.
KW  - ambrosia beetles
KW  - baited traps
KW  - bark beetles
KW  - biosecurity
KW  - checkered beetles
KW  - forest pests
KW  - insect vision
KW  - jewel beetles
KW  - surveillance
Y1  - 2020
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-216325
SN  - 2075-4450
VL  - 11
IS  - 11
ER  - 
TY  - JOUR
A1  - Floren, Andreas
A1  - Krüger, Dirk
A1  - Müller, Tobias
A1  - Dittrich, Marcus
A1  - Rudloff, Renate
A1  - Hoppe, Björn
A1  - Linsenmair, Karl Eduard
T1  - Diversity and interactions of wood-inhabiting fungi and beetles after deadwood enrichment
JF  - PLoS ONE
N2  - Freshly cut beech deadwood was enriched in the canopy and on the ground in three cultural landscapes in Germany (Swabian Alb, Hainich-Dun, Schorfheide-Chorin) in order to analyse the diversity, distribution and interaction of wood-inhabiting fungi and beetles. After two years of wood decay 83 MOTUs (Molecular Operational Taxonomic Units) from 28 wood samples were identified. Flight Interception Traps (FITs) installed adjacent to the deadwood enrichments captured 29.465 beetles which were sorted to 566 species. Geographical 'region' was the main factor determining both beetle and fungal assemblages. The proportions of species occurring in all regions were low. Statistic models suggest that assemblages of both taxa differed between stratum and management praxis but their strength varied among regions. Fungal assemblages in Hainich-Dun, for which the data was most comprehensive, discriminated unmanaged from extensively managed and age-class forests (even-aged timber management) while canopy communities differed not from those near the ground. In contrast, the beetle assemblages at the same sites showed the opposite pattern. We pursued an approach in the search for fungus-beetle associations by computing cross correlations and visualize significant links in a network graph. These correlations can be used to formulate hypotheses on mutualistic relationships for example in respect to beetles acting as vectors of fungal spores.
KW  - european beech forests
KW  - bark beetles
KW  - management
KW  - decay
KW  - ecology
KW  - norway spruce
KW  - substrate quality
KW  - communities
KW  - rare
Y1  - 2015
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-145129
VL  - 10
IS  - 11
ER  -