https://peckhamia.com/peckhamia/PECKHAMIA_180.1.pdf The first two images are both of an immature female Hypoblemum griseum, while the third image is a male H. griseum. Please refer to the link above for descriptions and images. This is a new update to Hypoblemum and many sightings on CNM have been bunched up with H. albovittatum or H. villosum due to uncertainty of taxonomy but now that's been clarified!