(Figures 2L, 4I, 5J)

Macrosiphoniella (Papillomyzus) tuberculata (Nevsky) – Iran (Starý 1979; Starý et al. 2000).

Key to the genera and species

1. Fore wing venation complete, with eight cells. (Figure 2F). Ovipositor sheath long and slender, distinctly depressed before tip (Figure 5E)....................................... Ephedrus niger Gautier, Bonnamour and Gaumont

Fore wing venation incomplete, with less than eight cells (Figures 2A–E, 2G–L, 6E). Ovipositor sheath of different shapes (Figures 5A–D, 5F–J, 6I)........ 2

2. RS+M vein present (Figure 2I–K). Notaulices complete (Figure 1C, 1D).. 3

RS+M vein absent (Figures 2A–E, 2G, 2H, 2L, 6E). Notaulices incomplete or effaced.................................................................. 5

3. Lateral mesonotal lobes of mesoscutum densely pubescent or with small hairless areas (Figure 1D). Propodeum densely pubescent (Figure 3F). RS+M vein coloured in its first half (Figure 2K). Length of petiole 1.28–1.30 times as long as its maximum width at spiracles (Figure 4H)...................................................................... Praon volucre (Haliday)

Lateral mesonotal lobes of mesoscutum with large hairless areas (Figure 1C). Propodeum with less pilosity (Figure 3E). RS+M vein colourless throughout or coloured basally (Figure 2I, 2J). Length of petiole 1.15–1.25 times as long as its maximum width at spiracles (Figure 4G)............................ 4

4. Antenna 17–18 (19)-segmented. Fore wing stigma widely triangular with length / width ratio of 2.70–2.80, m-cu vein coloured throughout (Figure 2I).............................................. Praon absinthii Bignell

Antenna 16–17-segmented. Fore wing stigma elongate triangular with length / width ratio 3.25–3.40, m-cu vein colourless (Figure 2J).............................................. Praon unitum Mescheloff and Rosen

5. Hypopygium without prongs (Figures 5A–C, 5F, 6I)....................6

Hypopygium with two prongs (Figure 5D, 5J)........................... 12

6. Propodeum with complete (Figure 3A, 3C) or incomplete (Figure 3B) areola. Fore wing M&m-cu vein complete (Figure 3A–D). Labial palpus with two or three palpomeres (Figures 1A, 6A)....................................... 7

Propodeum smooth (Figure 3D). Fore wing M&m-cu vein absent (Figure 2G, 2H). Labial palpus with one palpomere (Figure 1B)..................... 11

7. Propodeum with incomplete areola (Figure 3B). Petiole almost parallel-sided (Figure 4B). Labial palpus with two palpomeres................................................. Aphidius artemisicola Tizado and Núñez-Pérez

Propodeum with complete pentagonal areola (Figures 3A, 3C, 6F). Petiole widened toward base (Figures 4A, 4C, 4D, 6G). Labial palpus with two or three palpomeres........................................................ 8

8. Antenna with 19–20 segments. Petiole dorsally rugose, slightly depressed behind spiracles (Figure 4D). Labial palpus with three palpomeres............................................... Aphidius phalangomyzi Starý

Antenna with 15–17 segments. Petiole dorsally smooth with mediodorsal carinae (Figures 4A, 6G). Labial palpus with two palpomeres (Figures 1A, 6A)........................................................ 9

9. Fore wing stigma widely triangular with length / width ratio of 2.62–2.70 (Figure 6E). First flagellomere length / width ratio of 4.06–4.33............................ Aphidius stigmaticus Rakhshani and Tomanović sp. nov. Fore wing stigma elongate triangular, length / width ratio 3.00–3.50 (Figure 2A, 2C). First flagellomere length / width ratio 3.00–3.50..................... 10

10. Antenna with 15 segments. Length of petiole 2.00–2.50 times as long as its maximum width at spiracles (Figure 4C).......... Aphidius asteris Haliday

Antenna with 16–17 segments. Length of petiole 3.00–3.50 times as long as its maximum width at spiracles (Figure 4A)........ Aphidius absinthii Marshall

11. Setae on fringe of fore wing longer than those on the surface (Figure 2G)................................... Lysiphlebus confusus Tremblay and Eady

Setae on fringe of fore wing similar to those on surface or shorter (Figure 2H)....................................... Lysiphlebus fabarum (Marshall)

12. Petiole with only primary tubercles (Figure 4I). R1 vein very short, less than 0.25 times as long as stigma (Figure 2L).......... Trioxys pannonicus Starý

Petiole with primary and secondary tubercles (Figure 4E). R1 vein normal, more than 0.50 times as long as stigma (Figure 2E)................................................. Binodoxys centaureae (Haliday)