To which Class are the Yellow-faced Bees belonging to the genus *Hylaeus* formally assigned?
Answer
Class Insecta
The formal Linnaean classification places the Yellow-faced Bees within the Class Insecta. This classification level is defined by specific morphological characteristics common to insects, most notably having three distinct body parts—the head, thorax, and abdomen—and typically possessing three pairs of legs. While they belong to the broader Phylum Arthropoda (characterized by jointed appendages and an exoskeleton) and the Order Hymenoptera (which includes ants and wasps), the Class Insecta is the specific rank defined by this tripartite body structure. This places them neatly alongside the vast majority of recognizable insects.
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