All wasps and bees have a complete life cycle with egg, larval, pupal and adult stages. We usually only get to see the adults as the eggs and larvae are in the nests. The larvae of bees and wasps are white and typically look like grubs.
basic - of or denoting or of the nature of or containing a base. chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions.
Wiktionary(5.00 / 1 vote)Rate this definition: 1  essential(Noun) A necessary ingredient. 2  essential(Noun) A fundamental ingredient. 3  essential(Adjective) Idiopathic. 4  essential(Adjective) Necessary. 5  essential(Adjective) Very important; of high importance. 6  essential(Adjective) Being in the basic form; showing its essence. Donu2019t mind him being grumpy.