Lárusson made his debut for Iceland only at the age of 32 in an October 2005 friendly match against Poland, coming on as a substitute for another veteran, 34-year-old Kristján Finnbogason.
Lárusson's introduction to Iceland's national team occurred at 32 years old in a friendly game against Poland in October 2005, when he replaced the experienced Kristján Finnbogason, who was 34.