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Egyptian Journal of Biological Pest Control

Table 1 Durations and measurements of the different immature stages of P. dasypoda (n = 20)

From: Endo- or ecto-parasitism with the cluster fly, Pollenia dasypoda Portochisky (Diptera: Calliphoridae), based on the diameter of its host body, the earthworm Allolobophora caligonosa (Sav.)

Developmental stages

Durations (/days)

Measurements (/mm)

Min.

Max.

Aver.

Length

Width

Min.

Max.

Aver.

Min.

Max.

Aver.

Egg

3

5

4.4

1.03

1.05

1.04

0.29

0.33

0.31

First larval instar (L1)

4

6

5.2

1.03

1.05

1.04

0.29

0.33

0.31

Second larval instar (L2)

3

4

3.5

2.56

2.86

2.60

0.80

0.91

0.83

Third larval instar (L3)

6

7

6.8

40.23

43.22

41.55

4.11

4.89

4.44

Pre-pupal period

1

2

1.4

      

Pupal period

19

23

20.6

34.2

39.4

37.45

3.11

3.45

3.14

Total period

36

47

41.9

      
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