Lub hnub no npauj yog ib hom ntawm tus mob Rocky roob lwm Denver zoo nkauj, Epermenia stolidota (Epermeniidae). Yog ua tau ib tug loj mus tshaj tias zoo li no, li 20mm ntawm wingtip los wingtip. Cov tsa ceg, darkened, tufts ntawm dos nyob ntawm ntug qhov forewing posterior yog cov ua cim rau cov tsev neeg no zoo kawg thiab, raws li cov tawv ntawm tus ncej qab tibia bristles (kuj pom dog dig no). Muaj cov 11 hom rau 2 genera nyob rau hauv lub tebchaws United States, muaj tej zaum ob peb tshaj ntawd yuav tsum sab. Koj txog haujlwm curatorial lwm David Bettman keyed no hom tawm siv kho cov nqi lus ntawm hom kab Nearctic: PDF ntawm no.
