R
Reticulated
Rezent
Rhabdom
Rheophile
Rods of Heidenhain
Sabulicolous
Sclerite
Scrape
Segment
Semiarid
Semihumid
Sensillum
Seta
Sexualdimorphismus
Shield
Silur
Slit (slit organ)
sp., spp. & spec.
Spermatheka
Spermatocleutrum
Spermatophore
Specialization
Spine
Spiracle
Spotted
Spur
ssp.
Stadium
Sternite
Sternum
Stigma
Stridulatory
Subaculear sting, tubercle
Sympatric
Syntype
Systematic
Systemic