Dissection of Chordodes formosanus infected with Colletotrichum fructicola (sexual state) A Cross section of the hairworm showing perithecia lined up underneath the cuticle. Stained with Trypan blue. Abbreviations of hairworm structures: cuticle (cut), epidermis (epi) and longitudinal muscles (lm). The muscles detached from the epidermis due to dehydration of the tissues. Arrow = perithecia. Further cross-sections are present in Suppl. material