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Hidden Diversity Behind the Zombie-Ant Fungus Ophiocordyceps unilateralis: Four New Species Described from Carpenter Ants in Minas Gerais, Brazil

Figure 4

Ophiocordyceps camponoti-balzani.

a) Stroma of Ophiocordyceps on Camponotus balzani (bar = 1 mm); b) Detail of semi-erumpent ascomata with prominent ostioles (bar = 0.4 mm); c) Section through cushion showing arrangement and semi-erumpent nature of ascomata (bar = 150 µm); d) Close-ups from a) of mycelial cushions (sporodochia) on legs and antennae (bar = 0.2 mm), showing Hirsutella C-type phialides (e, bar = 10 µm) and apical conidia (f, bar = 5.0 µm); g) Section through ascoma showing prominent ostiole and ascus tips with refractive caps (bar = 30 µm); h) Ascospore, broadly cylindrical, large and multiseptate (bar = 12.5 µm, compare with Fig. 3b); i) Ascospore after one month on agar, slightly swollen and producing a lateral swelling, probably a vestigial appressorium (bar = 12.5 µm).

Figure 4