Due to this peculiarity, it is commonly known as the aaa water treader.

As a proper noun, Aaa is found only in the species name Cavaticovelia aaa (aaa water treader), an insect from Hawaii.

Cavaticovelia aaa, sometimes known as the aaa water treader, is a Hawaiian true bug (order Hemiptera) and, more precisely, a troglobitic water treader (superfamily Mesovelioidea) of the monotypic genus Cavaticovelia.

A taxonomically interesting species is the Aaa Water Treader (Cavaticovelia aaa) with its odd but entirely legitimate specific name - "aaa" is the only word (as opposed to abbreviations and acronyms) consisting of a triply repeated letter "a" currently in active use by English speakers.

And in fact, apart from some minor autapomorphies of the assassin bugs and Pachynomidae (which together make up the most ancient Cimicomorpha) versus those of the Mesovelioidea, this is essentially what they are.