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Table 1 Development of Ischiodon scutellaris on different aphid hosts

From: Studies to identify an alternative aphid host for culturing the predatory syrphid, Ischiodon scutellaris (Fabricius) (Diptera: Syrphidae)

Aphid species

Development of Ischiodon scutellaris

Larval duration (days)

Pupal duration (days)

Pupal weight (mg)

Survival (%)

Aphis gossypii from cotton

6.20 ± 0.44a

5.20 ± 0.84

19.0 ± 3.00a

100.00a

Aphis craccivora

4.40 ± 2.50b

4.80 ± 0.81

19.0 ± 10.00a

100.00a

Hyperomyzus carducellinus

5.60 ± 0.55ab

5.60 ± 0.89

23.0 ± 3.00a

100.00a

Aphis gossypii from okra

7.20 ± 0.84a

7.00 ± 0.71

9.0 ± 12b

56.40b

Brevicoryne brassicae

7.00 ± 0.71a

6.60 ± 0.55

27.0 ± 2a

100.00a

F value

4.04

3.53

3.51

P value

p ˂ 0.0001

NS

p ˂ 0.0001

p ˂ 0.0001

  1. Means followed by same letter do not differ significantly from each other
  2. Among all the aphid species studied, the larvae of I. scutellaris didn’t survive on Schoutedenia emblica, hence not included for statistical analysis