Figure 4
(a) Condition index for the different field populations of D. polymorpha and D. r. bugensis (mean ± SD, n = 12). Differences were tested using a Kruskal-Wallis test. (b) Simple linear regressions between LT50 and condition index for the two species separately (D. polymorpha on the left, n = 7; D. r. bugensis on the right, n = 6). For each regression, equation, correlation coefficient (r), p-value (p), F-statistic (F) and degree of freedom (df) of the model are mentioned.
