exoskeleton The outer support structure of an insect.
exotic Non-native.
How do they grow? The exoskeleton (external skeleton) of the spider must be shed or molted. Molting is necessary for growth, but a risky part of a spider's life as it leaves him vulnerable to other spiders.
I opened the bag and placed it in a small tank so the babies could hatch and harden their exoskeletons in a sheltered spot. It's a bit cold out there right now and I'm slightly worried about throwing them to the weather wolves, so-to-speak.
Perma-Guard® can be dumped around fire ant nests to control them. The diatomaceous earth supposedly scratches the ants' exoskeletons and dehydrates them while the pyrethrin is a natural poison which works to help put out the ants' fire.
The cells have their shape defined by a thick wall around the membrane, just like any plant, but this cell wall is not made of celulosis, but of chitin, the same substance found on insects exoskeletons.
This causes dehydration and death within hours. It is effective against aphids, mealybugs, spider mites and whiteflies, but does not kill beneficial insects such as ladybugs, praying mantis or other beneficial insects with a hard exoskeleton.
 See also: Plant, Water, Insect, Nectar, Growing
  
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