Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes




Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary)
No Taxon (L)
No Taxon labrum
Explanation of Names
From Latin labrum meaning lip (1).
labrum noun - the upper "lip" of the arthropod mouth, a somewhat convex horny plate (sclerite) which is united posteriorly by a membranous hinge with the clypeus. Functions as a mouthpart, though not an appendage like the others. Diagrams and photos:
Print References
Gordh, A Dictionary of Entomology, p. 503 (1)
Internet References
Mouthparts and Moving--Gary Brewer, North Dakota State University (excellent illustrations and descriptions)
Works Cited
1.A Dictionary of Entomology
George Gordh, David H. Headrick. 2003. CABI Publishing.