After University there is a period. That gives you a full and complete sentence. Then “she is capitalized.
This sentence is incorrect because it is a run-on sentence. This means that it should be broken into two separate sentences:
Ladybugs are also called lady beetles. In Europe, they are called ladybird beetles.
It's easy to catch this mistake by either reading the sentence out loud and listening for a natural pause, or by looking for one subject and one verb per sentence (Ladybugs are; they are).
