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Explore the distribution of n-alkanes extracted from wing and Dufour’s gland samples in various bumblebee species and Psithyrus cuckoos. The provided data shows the proportional differences among different species.
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Wing 40 30 20 10 70 Dufour’s gland 60 50 40 30 20 10 0 B. lucorum F B. terrestris B. terrestris type II B. pascuorum B. lucorum UK B. hortorum Proportion of each alkane B. pratorum B. jonellus B. lapidarius B. monticola B. muscorum B.(Ps.) bohemicus F B.(Ps.) bohemicus UK B.(Ps.) sylvestris B.(Ps.) campestris B.(Ps.) rupestris B.(Ps.) vestalis 0 10 C21 C23 C25 C27 C29 C31 20 30 40 Dufour’s gland 50 60 70 0 10 20 30 40 Wing Supplemental figure 1 The proportion of n-alkanes extracted from the wing and Dufour’s gland samples for each species of bumblebee. The top two graphs are for the non-parasitic Bombus species, while the bottom two inverted graphs shows the data for the corresponding Psithyrus-cuckoo species. The arrows indicate alternative hosts. The error bars represent one SD.