LOGAN, Utah, Feb. 15 -- Utah State University issued the following news release:

What's black and white and red all over? It might be a velvet ant. But discerning which one could be head-scratching challenge. It's a challenge made much easier, however, by a new field guide compiled by Utah State University biologist Joseph Wilson and USU alum Kevin Williams (Ph.D. 2012), along with Texas Tech colleague Aaron Pan.

Released Feb. 13, the trio's book, "Velvet Ants of North America," is a first-of-its-kind volume aimed at helping both professional and amateur entomologists identify and learn about the more than 450 known species of the Mutillidae family in North America and beyond.

"Velvet ants, which are actually wasps, are an underrepresent...