(4890) GHIRARDELL1, E„ G. OREL & M. SPECCHI, 1971. La fauna delle aque dolci. Enciclopedia monografica del Friuli-Venezia Giulia. Udine 2: 646-651. — (First Author 1st. Zool. & Anat. Comp., Univ. Trieste, Via Alfonso Valerio 32, 1-34100 Trieste). On p. 651, a passing reference is made to the Odon. of Friuli-Venezia Giulia, northern Italy. Several genera and Libellula depressa are mentioned. (For a regional treatment and bibliography cf. OA 4870).