Rhimphoctona

Varga, Oleksandr, 2017, A review of the genus Rhimphoctona Förster, 1869 (Hymenoptera: Ichneumonidae: Campopleginae) from the Ukrainian Carpathians, with a key to European species, Zootaxa 4263 (2), pp. 387-394 : 388

Key to the European Rhimphoctona species (modified after Horstmann, 1980)

1. Females............................................................................................ 2

- Males (no R. longicauda males were studied)............................................................. 11

2. Hind coxa red, at most brownish basally................................................................... 3

- Hind coxa black, at most red apically (in R. teredo ).......................................................... 4

3. Fore wing more than 10 mm long. Temples long and widened ( Fig. 1. 1 ). Mesopleuron densely and strongly punctate ( Fig. 2. 1 ). Propodeum with area superomedia rugulose ( Fig. 4. 1 ). Ovipositor is about 1.5 × the length of the hind tibia............................................................................................... R. grandis (Fonscolombe)

- Fore wing less than 10 mm long. Temples long and parallel ( Fig. 1. 2 ). Mesopleuron more weakly punctate ( Fig. 2. 2 ). Propo- deum with area superomedia granulate ( Fig. 4. 2 ). Ovipositor is about as long as the length of the hind tibia................................................................................................ R. rufocoxalis (Clément)

4. Mesoscutum weakly sculptured ( Fig. 5. 1 ). Temples long and widened ( Fig. 1. 3 ). Mesopleuron sparsely punctate. Propodeum with costula present ( Fig. 4. 3 ). Ovipositor is about 1.4–1.5 × the length of the hind tibia............... R. lucida (Clément)

- Mesoscutum more strongly sculptured ( Fig. 5. 2 )............................................................ 5

5. Propodeum with costula absent or indistinct (e.g. Figs 4. 4 , 5 ). Temples long...................................... 6

- Propodeum with costula distinct and strong (e.g. Figs 4. 1 , 3 ). Temples short...................................... 8

6. Ovipositor is about 0.5–0.6(0.9) × the length of the hind tibia. Hind femur brown. Temples parallel. Female clypeus and malar space around the mandibular base sometimes red......................................... R. obscuripes (Holmgren)

- If the female clypeus and malar space around the mandibular base red, than the ovipositor is about 1.3 × the length of the hind tibia. Hind femur at most brownish apically (in R. teredo )......................................................7

7. Ovipositor is about 1.3–1.5 × the length of the hind tibia. Temples long and widened ( Fig. 1. 4 ). Female clypeus and malar space around the mandibular base often red. Mesopleuron densely punctate, speculum granulate ( Fig. 2. 3 ).............................................................................................. R. xoridiformis (Holmgren)

- Ovipositor is about 0.8 × the length of the hind tibia.Temples long and parallel ( Fig. 1. 5 ). Mesopleuron more strongly punctate, speculum distally unsculptured ( Fig. 2. 4 )..................................................... R. teredo (Hartig)

8. Propodeum with area basalis wide distally and area superomedia wider than area basalis ( Fig. 4 . 8). Mesopleuron sparsely punctuate ( Fig. 3. 1 ). Ovipositor is about 1.5 × the length of the hind tibia..................... R. longicauda Horstmann

- Propodeum with area basalis narrow distally ( Figs 4 . 7, 10, 12). Mesopleuron densely punctate ( Figs 3. 2–4 )............. 9

9. Propodeum with area superomedia wider than area basalis ( Fig. 4 . 7). Ovipositor is about 1.4 × the length of the hind tibia.................................................................................... R. melanura (Holmgren)

- Propropodeum with area superomedia as wide as area basalis ( Figs 4 . 9, 12)..................................... 10

10. Propodeum with area superomedia closed with more or less distinct carinae, costula sometimes indistinct distally ( Fig. 4 . 9). Ovipositor is about 1.3–1.7 × the length of the hind tibia.............................. R. megacephalus (Gravenhorst)

- Propodeum with area superomedia partly enclosed distally or/and laterally, costula distinct distally ( Fig. 4 . 12). Ovipositor is about 1.1–1.3 × the length of the hind tibia........................................... R. pectoralis (Kriechbaumer)

11. Hind coxa red. Propodeum with costula distinct............................................................ 12

- Hind coxa black, at most yellow apically. Propodeum with costula sometimes indistinct or absent.................... 14

12. Face black...................................................................... R. grandis (Fonscolombe)

- Face yellow ( Fig. 5. 3 )................................................................................ 13

13. Mesopleuron black................................................................. R. rufocoxalis (Clément)

- Mesopleuron yellow ventrally ( Fig. 5. 3 )............................................. R. pectoralis (Kriechbaumer)

14. Face black. Mesoscutum weakly sculptured. Temples long and widened. Propodeum with costula distinct..................................................................................................... R. lucida (Clément)

- Face yellow........................................................................................ 15

15. Propodeum with costula distinct at least proximally. Temples parallel.......................................... 16

- Propodeum with costula indistinct. Temples from parallel to widened.......................................... 17

16. Mesopleuron yellow ventrally. Hind trochanter yellow. Yellow coloration of temples wide......... R. melanura (Holmgren)

- Mesopleuron black. Hind trochanter red. Yellow coloration of temples narrow............. R. megacephalus (Gravenhorst)

17. Hind femur brown. Face yellow with a central apical black spot. Temples parallel............... R. obscuripes (Holmgren)

- Hind femur red, at most brownish apically................................................................ 18

18. Temples widened. Propodeum with longitudinal carinae partly indistinct. Face yellow with a central vertical black line.................................................................................... R. xoridiformis (Holmgren)

- Temples parallel. Propodeum with longitudinal carinae distinct. Face yellow with a central apical black spot.................................................................................................... R. teredo (Hartig)

Figures

FIGURE 1. Rhimphoctona spp., dorsal view of head, female. 1 — R. grandis; 2 — R. rufocoxalis; 3 — R. lucida; 4 — R. xoridiformis; 5 — R. teredo; 6 — R. longicauda; 7 — R. maiator; 8 — R. pectoralis.

FIGURE 2. Rhimphoctona spp., lateral view of mesopleuron, female. 1 — R. grandis; 2 — R. rufocoxalis; 3 — R. xoridiformis; 4 — R. teredo.

FIGURE 3. Rhimphoctona spp., lateral view of mesopleuron, female. 1 — R. longicauda; 2 — R. melanura; 3 — R. megacephalus; 4 — R. pectoralis.

FIGURE 4. Rhimphoctona spp., dorsal view of propodeum, female. 1 — R. grandis; 2 — R. rufocoxalis; 3 — R. lucida; 4 — R. obscuripes; 5 — R. teredo; 6 — R. xoridiformis; 7 — R. melanura; 8 — R. longicauda; 9 — R. megacephalus; 10 — R. maiator; 11 — R.? megacephalus / melanura; 12 — R. pectoralis.

FIGURE 5. Rhimphoctona spp. 1 – 2 — dorsal view of mesoscutum, Female: 1 — R. lucida; 2 — R. teredo; 3 — R. pectoralis, lateral view of head and mesososma, male; 4 – 5 — frontal view of head, male; 4 — R. xoridiformis; 5 — R. teredo.