Which giant beetle, among the heaviest insects in the world, is named after a biblical giant?

Beethoven originally dedicated his "Eroica" Symphony to which leader? Beethoven was born in 1770 in which city, which later served as the capital of West Germany until 1990? Which opera, Beethoven's only one, was based on J.N. Bouilly's "Léonore" and premiered in 1805? What kind of religious work is Beethoven's "Missa Solemnis"? Which prefix meaning "self" can go before "biography" and "graph"? Which prefix meaning "star" can go before "naut" and "physics"? Which prefix meaning "below" can go before "standard" and "marine"? After the Mongol invasion of 1241, King Béla IV built a fortified town on Buda's Castle Hill in which country?