Boletus Frostii -

The flesh and pores quickly stain dark blue if bruised, cut, or handled. Ecology and Habitat

Instead of gills, it has red pores that often "weep" golden or amber-colored droplets when young—a process called guttation. boletus frostii

Boldly red with a deep, net-like (reticulated) pattern. The flesh and pores quickly stain dark blue