hymenopteran apocritan http://purl.obolibrary.org/obo/NCBITaxon_7400 https://en.wikipedia.org/wiki/Apocrita https://species.wikimedia.org/wiki/Apocrita A suborder of insects in the order Hymenoptera. It includes wasps, bees, and ants, and consists of many families. It contains the most advanced hymenopterans and is distinguished from Symphyta by the narrow "waist" (petiole) formed between the first two segments of the actual abdomen; the first abdominal segment is fused to the thorax, and is called the propodeum. Apocrita apocritans