Stenophagy (narrow diet breadth) represents an extreme of trophic specialization in carnivores, but little is known about the forces driving its evolution. We used spiders, the most diversified group
Out of the few spiders that show sexual cannibalism during courtship or mating is the Redback Spider (Latrodectus hasselti) of the family Theridiidae where the males assist in the cannibalism process.
Average percentage reflectance spectra measured from three different standardised locations within the colour area of the opisthosoma of each spider from the three colour morphs.
