From the years 1990, several foreign researchers stayed in Albania, identifying new species for the country, and highlighting some interesting observations of colonies . But the knowledge of the distribution and population monitoring remained very limited .
Kutoka miaka 1990, watafiti kadhaa za kigeni kukaa katika Albania, kutambua aina mpya kwa nchi, na kuonyesha baadhi ya uchunguzi ya kuvutia ya makoloni. Lakini maarifa ya usambazaji na idadi ya watu ufuatiliaji alibakia mdogo sana.