Diacalpa is a term used in entomology that refers to a genus of leafhoppers. The word is pronounced /daɪəˈkælpə/ and is spelled phonetically in accordance with the International Phonetic Alphabet (IPA). The first syllable, "dia," is pronounced with a long "i" sound, followed by the sound of an unstressed "uh" vowel. The second syllable, "cal," is stressed and pronounced with a short "a" sound, followed by the sound of an unstressed "uh" vowel. The final syllable, "pa," is pronounced with an unstressed "uh" vowel, followed by a soft "p" sound.