Tullgren, A. 1906 Om sköldlöss.. Entomologisk Tidskrift. Stockholm 27: 69-95.
Notes: General discussion; annotated list of 18 Swedish scale insects; synonymy of some older names indicated.
Tullgren, A. 1906 Om sköldlöss.. Entomologisk Tidskrift. Stockholm 27: 69-95.
Notes: General discussion; annotated list of 18 Swedish scale insects; synonymy of some older names indicated.