Cover caption: In the background, purple-blue Lower Cretaceous amber of El Soplao (Cantabria, Spain) and, in the foreground, a small wasp (Insecta: Hymenoptera) found in this amber. Wasp wing length: 3.4 mm.
Author: X. Delclòs.
Composition: R. Pérez de la Fuente.
Institut de Diagnosi Ambiental i Estudis de l'Aigua (IDAEA)
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