Lamelligomphus laetus Yang et Davies, 1993

鉴别特征：The male of this species differs from L. choui Chao & Liu by differently shaped anterior hamules and penis, the yellow pattern of seg. 7 and unmarked segs 9 and 10. It differs from L. biforceps (Selys) as follows: postclypeus with a large triangular yellow spot on each side adjacent to the eyes, oval mid-dorsal spots diminishing from segs 3-6 (almost obsolete on 6); only the anterial femora bearing an apico-inner yellow band.

分布区域：云南。

文献：Yang, B., Davies, D.A.L. 1993 Odonatologica, 22 (1):  45–62.