Ground beetles are a large , cosmopolitan family of beetles , Carabidae , with more than 40,000 species worldwide , around 2,000 of which are found in North America and 2,700 in Europe .
Ground beetles are the Carabidae , a large , cosmopolitan family of beetles . There are more than 40,000 species worldwide , about 2,000 of which are found in North America and 2,700 in Europe .