@article {637,
	title = {Beobachtungen an solit{\"a}ren Wespen und Wildbienen an ihren Nistpl{\"a}tzen in Brombeerst{\"a}ngeln (Insecta: Hymenoptera)},
	journal = {Abhandlungen der Delattinia},
	volume = {40},
	year = {2014},
	month = {2014},
	pages = {299-308},
	keywords = {Fauna, Hautfl{\"u}gler, Saarland},
	url = {/sites/default/files/pdf/abhandlungen/Delattinia_Abh_40_2014_299-308_Petrischak.pdf},
	author = {Petrischak, Hannes}
}
@article {614,
	title = {Beobachtungen an einem Nest der Waldwespe Dolichovespula sylvestris (SCOPOLI, 1763) in einem Vogelnistkasten (Hymenoptera: Vespidae).},
	journal = {Abhandlungen der Delattinia},
	volume = {39},
	year = {2013},
	month = {2013},
	pages = {227-236},
	keywords = {Fauna, Hautfl{\"u}gler, Saarland},
	url = {/sites/default/files/pdf/abhandlungen/Delattinia_Abh_39_2013_227-236_Petrischak.pdf},
	author = {Petrischak, Hannes}
}
@article {595,
	title = {Beobachtungen zu Bl{\"u}tenbesuch und Nestbau der Blauschwarzen Holzbiene Xylocopa violacea (LINNAEUS, 1758) (Hymenoptera: Apidae)},
	journal = {Abhandlungen der Delattinia},
	volume = {38},
	year = {2012},
	month = {2012},
	pages = {285-290},
	keywords = {Fauna, Hautfl{\"u}gler, Saarland},
	url = {/sites/default/files/pdf/abhandlungen/Delattinia_Abh_38_2012_285-290_Petrischak.pdf},
	author = {Petrischak, Hannes}
}
