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Egyptian Journal of Biological Pest Control
Fig. 4 | Egyptian Journal of Biological Pest Control

Fig. 4

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. 4

SEM images of second instar of Spodoptera frugiperda infected with Metarhizium anisopliae (48 hpi). a. Head region showing germinating conidial clusters (circle). b. Close-up of germinating conidia with germ tube around stemmata (arrowhead). c. Conidia with germination tube in thoracic region (circle). d. Conidial germination near the base of setae (circle). e. Base of prolegs having conidia with germ tube and appressoria (circle). f. Conidial germlings of M. anisopliae with germtube around spiracular region (arrowheads)

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