Floral CO2 Reveals Flower Profitability to Moths

Abstract

The hawkmoth Manduca sexta(Lepidoptera: Sphingidae), an experimentally favorable Lepidopteran that is highly sensitive to carbon dioxide (CO2), feeds on the nectar of a range of flowering plants, such as Datura wrightii (Solanaceae). Newly opened Datura flowers give off dramatically elevated levels of CO2 and offer ample nectar. Thus, floral CO2 emission… (More)
DOI: 10.1023/B:JOEC.0000030298.77377.7d

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