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mystax

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary)
No Taxon (M)
No Taxon mystax
Explanation of Names
From Greek mystax mustache.
Identification
mystax noun - in some diptera (especially robber flies, Asilidae), is a patch of bristles or hair, immediately above the mouth, on the lower part of the hypostoma (Lower "lip"), below the vibrissae.

Photos showing the mystax:
See Also
Print References
Gordh, p. 504 (1)
Works Cited
1.A Dictionary of Entomology
George Gordh, David H. Headrick. 2003. CABI Publishing.