ant.dew | R Documentation |
Wright et al. (2000) examined behavior of red wood ants (Formica rufa), a species that harvests honeydew in aphids. Worker ants traveled from their nests to nearby trees to forage honeydew from homopterans. Ants descending trees were laden with food and weighed more, given a particular ant head width, then unladen, ascending ants. The authors were interested in comparing regression parameters of the ascending and descending ants to create a predictive model of honeydew foraging load for a given ant size.
data(ant.dew)
A data frame with 72 observations on the following 3 variables.
head.width
Ant head width in mm
ant.mass
Ant mass in mg
direction
Direction of travel A
= ascending, D
= descending
Data approximated from Fig. 1 in Wright et al. (2002)
Wright, P. J., Bonser, R., and U. O. Chukwu (2000) The size-distance relationship in the wood ant Formica rufa. Ecological Entomology 25(2): 226-233.
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