Environmental stochasticity and intraspecific competition influence the population dynamics of Culex quinquefasciatus (Diptera: Culicidae)

Table 3 Survivorship and stage change rates quantified from larval competition experiments

Nutrient treatment	Survivorship (mean ± 95% CI)^a	Stage change rate (mean days ±95% CI)^a
High (t₀ = 3 mg/larva)
Larval pupation	99.0 ± 1.0^A	12.2 ± 3.43
Pupal emergence	98.5 ± 1.0^A	–
Total emergence	97.5 ± 1.6	15.2 ± 3.3^A
Mid-High (t₀ = 1.5 mg/larva)
Larval pupation	94.5 ± 3.9^A	15.4 ± 7.3
Pupal emergence	94.5 ± 2.0^A	–
Total emergence	95.0 ± 4.3	18.42 ± 7.4^AB
Mid-Low (t₀ = 0.75 mg/larva)
Larval pupation	48.5 ± 7.1^B	23.8 ± 13.2
Pupal emergence	99.0 ± 1.0^A	–
Total emergence	51.5 ± 7.4	26.6 ± 12.6^BC
Low (t₀ = 0.375 mg/larva)
Larval pupation	23.5 ± 11.6^C	31.7 ± 14.0
Pupal emergence	93.0 ± 5.0^A	–
Total emergence	24.0 ± 5.7	33.9 ± 12.3^C

^aLetter groups A-C denote significant differences between experimental treatments by HSD α < 0.05

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