Key to species of Gonothrombium

1. Adults.............................................................................................. 2

- Larvae............................................................................................. 4

2. Accessory process cylindrical........................................................................... 3

- Accessory process hammer-like............................................................. G. ozkani sp. nov.

3. pDS cylindrical, slightly widened progressively towards distal part.................................. G. bimaculatum

- pDS elliptical, narrowed distally and basally.................................................. G. oudemansianum

4. 3a setae nude......................................................................................... 5

- 3a setae barbed....................................................................................... 6

5. Length of LSS 54......................................................................... G. bimaculatum

- Length of LSS 119–130................................................................... G. ozkani sp. nov.

6. Number of setae on scutellum 10–15 in range, number of dorsal setae (including setae on scutellum 40–52..................................................................................................... G. oudemansianum

- Number of setae on scutellum more than 15, number of dorsal setae (including setae on scutellum 96......... G. bequaerti