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Table 1 Hypotheses for the main effects of several factors on larval time, pupal time, larval growth rate, pupal mass, chill-coma recovery time, and longevity

From: Directional selection on cold tolerance does not constrain plastic capacity in a butterfly

Traits

Factors

 

Selection regime

Inbreeding

Rearing temperature

Sex

Adult temperature

Feeding regime

Larval time

No

No

20°C > 27°C

Females > Males

-

-

Pupal time

No

No

20°C > 27°C

Males > Females

-

-

Growth rate

No

No

27°C > 20°C

Males > Females

-

-

Pupal mass

No

No

20°C > 27°C

Females > Males

-

-

Chill-coma recovery time

Controls > Selected Lines

No

27°C > 20°C

No

27°C > 20°C

No

Longevity

No

No

20°C > 27°C

Females > Males

20°C > 27°C

Control > Starvation

  1. The hypotheses stated rest on prior results mainly obtained from B. anynana. Selection for increased cold tolerance is expected to have no effect on any trait other than chill-coma recovery time, as no correlated responses to selection were found in a previous study [34]. No inbreeding effects are expected here due to random mating for 14 generations after full-sib matings and thus prior to scoring trait values. Hypotheses regarding temperature, sex and feeding effects are all straight-forward and rest on previous results [e.g. [5, 17, 20, 23, 34, 36, 37]. ‘-‘: Not tested.
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BMC Ecology and Evolution

ISSN: 2730-7182

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