Mesomexovis caxcan sp. nov. Dextral hemispermatophore, capsule zoom with hemi-mating plug cleared showing microstructures A contra-lateral aspect B zoom of contra-lateral aspect. Numbers: 1. Laminar hook. 2. Laminar base notch. 3. Contralateral though. 4. Truncal flexure. 5. Hemi-mating plug (Basal carina). 6. Subex. 7. Basal piece of hemi-mating plug. 8. Lateral spine. 9. Distal barb. 10. Distal retro-barbed margin. 11. Spatulated projection. 12. Pouch-like invagination. 13. Sperm duct. 14. Terminal membrane. Scale bars: 0.5 mm.