Psilogramma wernerbacki is known from this sovereign country consisting of six major islands and over how many smaller islands 
Psilogramma wernerbacki:  It is known from the Solomon Islands. Solomon Islands: Solomon Islands is a sovereign country consisting of six major islands and over 900 smaller islands in Oceania lying to the east of Papua New Guinea and northwest of Vanuatu and covering a land area of 28400 km2 .
900