What happened to Larry on Leave to Beaver?

In the television show "Leave It to Beaver," Larry MonDELLo, played by Rusty Stevens, is often portrayed as Beaver Cleaver's friend. His character experiences various childhood adventures and misadventures throughout the series, frequently getting into trouble alongside Beaver. However, Larry's appearances became less frequent as the series progressed, and he ultimately disappeared from the show after its early seasons. The character's absence is often attributed to the natural evolution of the storyline and the focus on other characters.