The present work covers original information on the aphid parasitoids (Hymenoptera: Braconidae: Aphidiinae) of Southeastern Europe. The individual parasitoid species were reared from identified host aphid and plant associations which are listed alphabetically. Twenty two aphidiine genera and 115 species from 208 aphid taxa occurring on 422 plant taxa were identified and 561 parasitoid-aphid associations are reported. The determined parasitoid fauna was divided into 9 faunal groups. Local information on some important biocontrol agents (Aphidius colemani Viereck) as well as on expansive/introduced species (Lysiphlebus testaceipes (Cresson)) in the area are presented.

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We present new information on the parasitoids (Hymenoptera: Braconidae: Aphidiinae) of aphids infesting cotton, tobacco, citrus, and cereal agroecosystems in southeastern Europe. Nineteen species are keyed and illustrated with scanning electron micrographs and line drawings. The aphidiines presented in this work have been identified from 18 aphid taxa. Furthermore, 96 original parasitoid–aphid–plant associations are presented. Cotton, tobacco, and citrus agroecosystems are connected through aphids and their parasitoids, whereas cereal agroecosystems represent a separate group of associations.

The present work covers original information on aphids (Hemiptera: Aphidoidea) from Greece during 1995-2005. The individual aphid taxa were collected from their host plants and identified. The plant taxa were classified in two major categories: cultivated and self-sown. The cultivated ones were classified as: herbaceous, climbing and trees. The selfsown ones were classified as: annual herbaceous, annual or biennial herbaceous, biennial or perennial herbaceous, perennial herbaceous, shrubby and trees Two hundred twelve plant taxa were identified on which 105 aphid taxa were recorded. We report 391 plant taxa-aphid taxa associations from which, 190 are referred to cultivated and 201 to self-shown plant taxa. Aphis gossypii was found to infest the widest spectrum of cultivated plant taxa whereas Brachycaudus helichrysi was found to infest the widest spectrum of self-sown plant taxa. Myzus persicae was found to infest the widest spectrum of the total number of plant taxa. Information for several economically unimportant aphid taxa in the area are also presented.

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