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Table 5 Responses of Plodia interpunctella larvae of 7–10-day-old to doses of Mattesia sp. at indicated days post-treatment

From: Productivity, pathogenicity, host range, and spore mass-propagation of local strain of Mattesia sp. isolated from insect cadavers of certain stored grain pests in Egypt

Dose (gm)*/10 g crushed maize grain (approx. no. of Mattesia spores)

Percentage of dead and moribund larvae at indicated days post-treatment

15

23

37

0.0 (control)

0/50 (0)

0/50 (0)

0/50 (0)

0.01 g (1.5 × 108)

14/50 (28)

19/50 (38)

24/50 (48)

0.02 g (3 × 108)

17/50 (34)

23/50 (46)

26/50 (52)

0.04 g (6 × 108)

22/50 (44)

29/50 (58)

35/50 (70)

0.08 g (12 × 108)

26/50 (52)

37/50 (74)

40/50 (80)

0.16 g (24 × 108)

30/50 (60)

41/50 (82)

44/50 (88)

  1. *Powdered cadavers (in gm) of Laemophloeus turcicus adults (0.01 g  100 cadavers carried ca. 1.5 × 108 Mattesia spores)