Bombus rupestris rupestris (Fabricius 1793)

Ornosa, Concepción, Torres, Félix & Rúa, Pilar De La, 2017, Updated list of bumblebees (Hymenoptera: Apidae) from the Spanish Pyrenees with notes on their decline and conservation status, Zootaxa 4237 (1), pp. 41-77 : 56

Bombus rupestris rupestris (Fabricius 1793)

It is distributed in the Pyrenees, Sierra de Béjar and Moncayo between 800 and 1800 m of altitude ( Tkalců 1962, Ornosa & Ortiz-Sánchez 2004). Only four individuals were recorder in historical data ( Ornosa 1984, Castro 1996).

At present, it has been scarcely collected between 1440 and 1750 m ( Fig. 7 ), in a grassland, in a beech forest and pine wood of Pinus uncinata and Pinus sylvestris with patches of subalpine scrub of Juniperus communis nana Willd. , foraging on Eryngium bourgatii Gouan. , Lotus corniculatus L., Trifolium pratense L. and Trifolium repens L.

According our current data, B. rupestris is rare and shows an orophilous tendency ( Table 2 ).

New records. Spain: Huesca : Ordesa, Circo de Soaso, 10-VII-2013, 2 queens, C. Ornosa leg., UCME . Lleida : Aigüestortes threshold, 26-VII-2006, 1 male, C. Ornosa leg., UCME ; Ruda track, 10-VII-2014, 1 queen, C. Ornosa leg., UCME .

Figures

FIGURE 7. Distribution (in meters) range of the bumblebee species and subspecies observed in contemporary samplings (grey rectangles) in the Pyrenees compared with the known altitude distribution (black bars) from historical data.