Selection of Oviposition Sites by Libelloides coccajus (Denis & Schiffermüller, 1775) (Neuroptera: Ascalaphidae), North of the Alps: Implications for Nature Conservation
Table 1
Description of the study areas.
Study area
Aspect
Size
Habitat1
Mean slope
Description
Sample photograph2
Hessenberg (HE)
S-SW
6,000 m2
Molinio-Pinion
15°
Open pine forest with broad clearings and heterogeneous vegetation, mown once a year but not before October 1
Glattfelden (GL)
SE
6,000 m2
Mesobromion
30°
Steep roadside verge created in 1978 with homogenous vegetation, remaining uncut year-round but with selective mowing of areas with high coverage of Erigeron annuus
Merishausen (ME)
S
6,000 m2
Mesobromion3
25°
Semidry grassland interspersed with shrubs and scarce vegetation at the upper edge due to more gravel soil. Every year one half of the area is mown, but not before August 1
Rheinheim (RH)
SE
9,000 m2
Mesobromion
5°
Extensively used meadow, mown once a year but not before August 1
According to Delarze et al. [53]; 2all photographs taken between May 1 and July 6, 2010, (M. Müller); 3unusually high abundance of Geranium sanguineum.