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Table 5 Goodness-of-fit test (likelihood ratio) of mosquito equal sex ratio across species and water types (Experiment 1)

From: Laboratory and microcosm experiments reveal contrasted adaptive responses to ammonia and water mineralisation in aquatic stages of the sibling species Anopheles gambiae (sensu stricto) and Anopheles coluzzii

Species

Water types

Female proportion (%)

Sample size

Chi-square

df

P-value

An. coluzzii

Deionised

45 (37–52)

155

1.8683

1

0.1717ns

Mineral

53 (46–60)

204

0.7063

1

0.4007ns

An. gambiae (s.s.)

Deionised

37 (30–44)

190

13.3141

1

0.0003**

Mineral

43 (37–49)

260

5.5738

1

0.0182*

  1. ***P < 0.0001; **P < 0.01; *P < 0.05; ns > 0.05. Ninety-five percent confidence intervals are in parentheses