Phytodietus, Gravenhorst, 1829

Kostro-Ambroziak, Agata, Zhou, Zichen & Reshchikov, Alexey, 2020, A new species of Phytodietus Gravenhorst, 1829 (Hymenoptera: Ichneumonidae: Tryphoninae) from China, Zootaxa 4877 (2), pp. 391-395 : 392

Key to species of Phytodietus occurring in China

1. Areolet of fore wing absent; epomia and notauli absent......................................... … P. laticarinatus

- Areolet of fore wing present; epomia and notauli present...................................................… 2

2. Pleural carina present; body yellow with black marks........................................... … P. longicauda

- Pleural carina absent; body generally black with yellow or rufous marks.......................................… 3

3. Mesopleuron black.................................................................................… 4

- Mesopleuron black with yellow or rufous marks.......................................................... … 5

4. Propodeum with distinct transverse wrinkles; fore and mid coxae mainly yellow; hind coxae rufous with black spots; hind tibia rufous at base and black apically; tarsus dark brown.............................................. … P. impunctus

- Propodeum at most with very fine transverse wrinkles; fore and mid coxae black, apically yellow; hind coxa orange with its base and apex black; hind tibia and tarsus black................................................ … P. arcuatorius

5. Face and facial orbits black...........................................................................… 6

- Face black or black with yellow spot(s) with the facial orbits yellow or whitish................................. … 7

6. Face strongly shagreened, especially on median area; metapleuron and sides of propodeum rufous; hind coxa rufous with yellow apex..................................................... … P. xui Kostro-Ambroziak & Reshchikov sp. n.

- Face weakly shagreened (almost smooth) with a few very fine punctures medially; metapleuron black with a large yellow mark; propodeum completely black; hind coxa red with a yellow base..................................... … P. maculatus

7. Face completely or largely yellow (sometimes whitish); hind coxa black with yellow marks................ … P. spinipes

- Female with face, except for yellow facial orbits, black or black medially with 1-2 yellow spots which never join the clypeus, male face completely yellow; hind coxa orange................................................. … P. polyzonias