Abstracts of Volume 21 Number 1, 2010

Barjadze, S. & Gratiashvili, N. 2010: Description of a new species of the genus Macrosiphum Passerini, 1860 (Hemiptera: Aphidoidea: Aphididae), with a key to the Macrosiphum species occurring in Transcaucasia. - Entomol. Fennica 21: 43-48.

Apterous viviparous females of Macrosiphum dzhibladzeae Barjadze sp. n. living on Euphorbia macroceras (Euphorbiaceae) are described and illustrated. A key to the apterous viviparous females of Macrosiphum species living on Euphorbia spp. worldwide is given. A previous key for the apterous viviparous females of the Macrosiphum species recorded from Transcaucasia is provided, modified to include the new species.