TY  - JOUR
AU  - Dietrich,Christian O.
AU  - Ölzant,Silvester
T1  - Formicidae (Hymenoptera) an der Illmündung (Österreich: Vorarlberg) mit einem Beitrag zur Barberfallenmethodik bei Ameisen
JF  - Myrmecologische Nachrichten
Y1  - 1998
PB  - Österreichische Gesellschaft für Entomofaunistik
SN  - 1994-4136
SP  - 7
EP  - 13
VL  - 2
KW  - 
AB  - The 39 known ant species of Vorarlberg (Austrian province) indicate a low myrmecofaunistic
state of research. The climatic favoured valley of the river Rhine (Rheintal) seemed to be most
suitable for an investigation in points. The investigation area is situated where the river Ill
flows into the Rhine and revealed 23 species, 7 of which are recorded as new to Vorarlberg.
There is a remarkable difference in the species composition between the left and right
riverside of the Ill. The community on the left riverside which is bounded by Rhine and Ill
shows typical riparian ants like Myrmica hellenica, Manica rubida and Formica lefrancoisi.
On the right riverside there are many thermophile ants e. g. Ponera coarctata, Tapinoma
ambiguum or Myrmica sabuleti. The used pitfall traps (glasstubes with 16 mm diameter;
exposed for one and five days respectively) are easy to install and were only slightly beaten by
additional combined hand collecting / soil sifting. The use of the more attracting rum-honey
mixture or bitter cordial instead of the usual formalin meets the requirement of the short time
of placing.
ER  -