一、概述本文仅描述山东山旺中新世山旺组(N_(ls))硅藻土矿中纺足目的一个正尾丝蚁新属和鞘翅目的一个长扁甲新种。山旺组主要分布于山东临朐县东北的山旺村,以含硅藻土矿和大量珍贵化石而驰名中外。1980年秋,笔者等在本区山旺组硅藻土矿层(N_(ls~2))采集到很多昆虫化石,本文仅 I. INTRODUCTION This article describes only one new species of flat-leaf aphid and coleopteran in the Meso-Neo-Sanshan Formation (N 1s) diatomite in Shandong Province. Shanwang Formation is mainly distributed in Shanwang Village, northeast of Lintao County, Shandong Province, and is well-known both at home and abroad with diatomite mines and a large number of precious fossils. In the autumn of 1980, the author collected many insect fossils in the diatomite ore layer (N_ (ls ~ 2)) of Shanwang Formation in this area. This article only