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Table 1 Instar mortalities of Anopheles arabiensis at the screen house

From: Survival of immature Anopheles arabiensis (Diptera: Culicidae) in aquatic habitats in Mwea rice irrigation scheme, central Kenya

Instars (i) Age at the beginning of Instar (ti-1) No. entering instar (Sti-1) Deaths in instar (Di) Relative proportion dying in Instar (Di/Sti-1) Proportion dying daily in instars 1-(Sti/Sti-1)1/d
L1 0 850 60 0.071 0.051
L2 1.40 790 15 0.019 0.007
L3 4.30 775 50 0.065 0.035
L4 6.15 725 120 0.166 0.047
Pupa 9.95 605 15 0.025 0.013
Adult 11.85 590