n.any of various large usually brown North American leaf-eating beetles common in late spring; the larvae feed on roots of grasses etc.
同义词：June beetleMay bugMay beetle
英汉双解大词典
June bug(alsoJunebeetle)
1.
N（名词）
any of various large brown North American scarabaeid beetles that are common in late spring and early summer, esp any of the genus Polyphylla 六月甲壳虫 (Also called May beetle, May bug)