The geographical and altitudinal distribution of the pollen wasp Ceramius hispanicus Dusmet, 1909 (Hymenoptera, Vespidae), endemic on the Iberian Peninsula
DOI:
https://doi.org/10.3989/graellsia.2000.v56.i0.313Keywords:
Hymenoptera, Vespidae, Masarinae, biogeography, habitat, palaearcticAbstract
Ceramius hispanicus Dusmet appears to be restricted to an area of ca. 21x104 km2 basically in central and north-eastern Spain. The species has been recorded from 32 localities. The altitudinal distribution ranges from 150 to 1300 m above sea level. C. hispanicus seems to be restricted to the meso- and supramediterranean story of vegetation. It has been recorded from 13 different vegetation series. The proportion of basophilic vegetation series of the localities is 65%. Climatic conditions at most of the localities can be characterised as moderately hot, with a cold period in winter and an annual mean precipitation of between 300 and 500 mm. The flight period of the imagines correlates with altitude, lasting from the beginning of May to the end of July.
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