- Isocolus areolata
- Isocolus brunneus
- Isocolus carthami
- Isocolus centaureae
- Isocolus cirsii
- Isocolus fitchi
- Isocolus flavus
- Isocolus jaceae
- Isocolus leuzeae
- Isocolus lichtensteini
- Isocolus melikai
- Isocolus phaeopappucii
- Isocolus ponticus
- Isocolus rogenhoferi
- Isocolus ruthenicae
- Isocolus scabiosae
- Isocolus serratulae
- Isocolus similis
- Isocolus tauricus
- Isocolus volgensis