Marmessus gyda gydina (Stichel, 1919);  Comments: Costa Rica and Panama TL: Panama.

Marmessus gyda gydina Panama: Chiriqui, Potrerillos, 3000 ft, 11-II-1970, specimen No. USNMENT 01544767, genitalia No. #1989-14 Donald J. Harvey [USNM]. DNA sample NVG-19035H01   —   © Nick V. Grishin