When saltmarsh amphipods (Uhlorchestia spartinophila) feed on standing-decaying smooth cordgrass, we have observed that if they find ascomata of Phaeosphaeria spartinicola, they will use their mouthparts to pull out the ascomatal contents and devour them. See Kneib et al, 1997, Mar Biol 128:423-431; Newell & Porter, 2000, pp. 159-185 in Weinstein & Kreeger, Concepts and Controversies in Tidal Marsh Ecology, Kluwer.