chewing but withdrawn into head (=endognathous)
springtail - a forked tail (=furcula) from underside of abdomen when released acts like a spring vaulting the insect into the air for movement.
Collophone (a tube-like projection from lower abdomen) thought to aid in water regulation.
tiny in size - either elongate or globular in shape.
well adapted in soil, especially in leaf litter level. Need moist conditions and high organic matter. One emerges in winter (snowflea). A few species are pests in greenhouses.
Scavengers that recycle nutrients in soil. Minor greenhouse pest.
200 species (soo in No. America). Numerally abundant in soil.
Peters pg. 403
Links to other Collembola Sites