米隐侧牙甲，节肢动物门-昆虫纲-鞘翅目-牙甲科。Length 1.6- -2.3 mm. Dark brown or black with light subhumeral spots, seldomreddish? with lateral and basal darkening. or uniformly reddish. Pronotum without microsculp-ture except on extreme lateral portion. punctures on head. pronotum and elytra coarsea