(4470) MORETTI, G„ F. CIANF1CCONI & Q, PIRISINU, 1974. Facies faunistica invernale dell’ecosistema astatico del Piano Grande (Monti Sibillini —-Umbria). Riv. Idrobiol. 13(1): 95-111. (With Engl. s.). — (1st, Zool., Fac. Sei., Univ. Perugia, Perugia, Italy). The winter aspect of the astatic ecosystem of the Piano Grande, Sibillini Mts, Umbria, Italy is recorded and discussed. The Odon. listed are Coenagrion puella, Lestes dryas, Libellula depressa and Sympetrum flaveolum (all identified by C, Conci).