[1] L. cinerascens is very similar to L. occidentalis with more antenna segments, but shorter overall antennal length.

[2] It can be distinguished from L. exotica by its shorter antennae and uropods, as well as its uniformly gray color and granular texture.

Females breed in their first year for five months, then die before the second winter, typically producing one brood or two at the most.

Reared in the lab, L. cinerascens has a longer lifespan and may produce three or more broods in a lifetime.

[5] G. H. A. Budde-Lund found samples of L. cinerascens on a long ocean exploration, and when he returned, he could not remember if they had come from Japan, Manila, or Chile, limiting current knowledge of the full range of the species.