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Egyptian Journal of Biological Pest Control
Fig. 5 | Egyptian Journal of Biological Pest Control

Fig. 5

From: Pathogenicity, ultra-structural growth and development of green muscardine fungus, Metarhizium anisopliae (Metschnikoff) Sorokin (Ascomycota: Hypocreales) on maize fall armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae)

Fig. 5

SEM images of second instar of Spodoptera frugiperda infected with Metarhizium anisopliae (72 hpi). a. Labrum with initial hyphal development (arrowhead). b. Hyphae with appressorium (arrow heads) around stemmata region (circles). c. hyphal growth in spiracular region (arrowhead), germlings of conidia with germ tube and appressorium (circle). d. Hypha penetrating the cuticle (circle) e. penetration of hypha from conidia in head region (circle). f. Close-up of developing hyphal clusters around setal region (arrowheads), Hyphae with intercalary appressorium (circle)

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