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148 IVII. Zoocoenological characteristics Plate III. The structure of the catenarium Ceutorrhynchiarium maculae-albae (Nagykovacsi, 1954). presocium presocium (Euonymus) A "e 4 Stenocarus : \ "e ra ruf. (fulig.) © x CO \ x . Episyrphus \ Apis mellifera (Epistrophe) balteatus \ Halictus sp. Neoglocianus \ maculaalba À | \ (C. macula-alba) \ Siphonella y rufip. À. (Doralis) fabae \ Dasyneura papaveris \ \ \ Aphidius Pachyn Bassus Conost | Bracon Chelonella Pseudotorymus sp. form. 6-not. syr. 1 sp. Sp. papaveris “ . e. ra 1 . : ra Ar» Vines presocium? presocium? ————————— corrumpent ecccccccccce Sustinent ——— (Sidi == = = mm intercalarient The values in Plate II refer to 1811 plant individuals. Some extrapolation was unavoidable, and our distrust towards such manipulations have been expressed earlier. We have to emphasise that the numbers presented are only of theoretical value, and the actual census numbers were modified, only to improve understanding. Our standpoint is unchanged: the size of the censused area must be identical for every population. There remain differences, following from the methodology that cannot be eliminated. The flower-visiting sustinents, for example, are impossible to census using the same method as
