We’ve recently exported the latest data gathered by our app “Leaf Watch” into a Google Fusion table. This enables you to map the data very easily and has shown us quite clearly the distribution of records.
I hesitate to say that it reflects the true distribution of the moth but it certainly gives us a pretty good idea.
The distribution of records also happens to match what we were expecting – a good spread of records across southern and central areas of the country but tailing off in the far west and north.
Another feature I like about the mapping in the Google Fusion Tables tool is the ability to display data as a heat map – therefore, to show not just the distribution of records but also their density. Not surprisingly, the majority of records are from major centers of population in the south and central areas of the country.
A smaller scale view gives a slightly clearer picture: