Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada


Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary)
No Taxon (S)
No Taxon suture
Line or groove in the body separating sclerites.
In Coleoptera (beetles), elytral suture refers to the midline where the two halves separate [usually].
In certain Diptera (flies), suture refers to the notched line uniting the two section of the scutum. The Dipteran suture is sometimes split into two on either side of the scutum.

Photos and/or illustrations illustrating sutures, and especially, elytral sutures: