Complex sentence: Lepturinae is a subfamily of the longhorn beetle family (Cerambycidae), containing some 100 genera worldwide, and most diverse in the Northern Hemisphere; until recently the subfamily Necydalinae was included within the lepturines, but has been recently recognized as a separate subfamily.
Split into simpler sentences: Lepturinae is a subfamily of the longhorn beetle family (Cerambycidae), containing some 100 genera worldwide, and most diverse in the Northern Hemisphere. Until recently the subfamily Necydalinae was included within the lepturines, but this has been recently recognized as a separate subfamily.