Micraglossa beia is a moth in the family Crambidae. It was described by Wei-Chun Li, Hou-Hun Li and Matthias Nuss in 2010. It is found in China (Xizang, Sichuan, Guizhou, Henan, Hubei, Fujian, Gansu, Zhejiang, Guangxi).
The length of the forewings is 6–8 mm for males and 6–8.5 mm for females.Li, W.C., H.H. Li & M. Nuss (2010). "Taxonomic revision and biogeography of Micraglossa Warren, 1891 from laurel forests in China (Insecta: Lepidoptera: Pyraloidea: Crambidae: Scopariinae)". Arthropod Systematics & Phylogeny. 68 (2): 159-180.
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