Psallus instabilis Reuter, 1904e: 13. LT (Kerzhner, 1996d: 100): male, Canary Islands, Tenerife Is., Orotava; HNHM.
Psallus instabilis var. sangvineotincta Reuter, 1904e: 14. LT (Kerzhner, 1996d: 102): female, Canary Islands, Tenerife Is., Orotava; HNHM.
Psallus instabilis var. subochracea Reuter, 1904e: 14. ST(S): female, Canary Islands, Tenerife Is., Laguna; HNHM? (not found).