Measurements of spermatophore mass (milligrams) in 35 fireflies
(Photinus ignitus).
Arguments
Format
A data frame with 35 observations of one variable.
sp.mass
Source
inferred from Cratsley, C.K. and S.M. Lewis. 2003. Female
preference for male courtship flashes in Photinus ignitus fireflies.
Behavioral Ecology 14: 135-140.