The total geographical area of the Earth is approximately 510.1 million square kilometers.
No, insects are natural to earth, they belong to the earth thus in no sense can insects invade earth.
Any particular geographical spot on the earth can be located by its longitude and latitude coordinates.
Google "bugs and insects in (your area here)".
Insects didn't come to earth, it lived on earth since the dinosaurs lived.
Riverbasin
An endemic area is a geographical area where a particular disease is prevalent.
Asia has been the largest continent by land area for millions of years due to its vast size and geographical features. It covers approximately 30% of Earth's land area.
The geographical area of the societies within the tropical regions affected the economic activities that they undertook.
Local Area Network
Geographical features are the components of the Earth. There are two types of geographical features, namely natural geographical features and artificial political features. Wikipedia
its jurisdiction