Megathymus yuccae wilsonorum D. Stallings & J. Turner, 1958;  Comments: Tamaulipas & far S TX (lower Rio Grande Valley) TL: Mexico (Tam).

Megathymus yuccae wilsonorum ♀, specimen No. NVG-2260 [TAMU]. Specimen courtesy of Texas A&M University Collection   —   © Nick V. Grishin