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Table 1 Larval stage (LS) of E. auditrix in relation to the post infection time in the cicadas M. cassinii and O. rimosa

From: Experimental infection of a periodical cicada (Magicicada cassinii) with a parasitoid (Emblemasoma auditrix) of a proto-periodical cicada (Okanagana rimosa)

Days post infection

M. cassinii

O. rimosa

1. LS (Percent)

2. LS (Percent)

3. LS (Percent)

(n)

1. LS (Percent)

2. LS (Percent)

3. LS (Percent)

(n)

1

100

0

0

4

100

0

0

5

2

100

0

0

6

90

10

0

10

3

88

12

0

8

0

100

0

9

4

50

50

0

8

8

58

33

12

5

50

50

0

2

0

36

64

14

6

0

100

0

3

9

0

91

11

10

0

100

0

1

-

-

-

-

  1. A total of 69 M. cassinii and 108 of O. rimosa was infected and samples were analysed for larval development each day post infection. The larval stage is presented as percent of the individuals in the sample (columns “n”). Note that although in M. cassinii no larva reached the third instar only a few cicadas survived more than six days. In O. rimosa the third larval instar of E. auditrix kills its host after 6 to 7 days.