Fig. 3. Molar percentages of N-acetylputrescine (NAP), isethionate (Ise),
and N-acetyltaurine (NAT) in water extracts of webs built by (A)
feeding and (B) starving/resumed feeding groups. Purple diamonds, juvenile
male Araneus cavaticus; green triangles, juvenile female A.
cavaticus; red circles, adult female A. cavaticus; blue squares,
adult female Argiope aurantia; open circles, adult female Argiope
trifasciata.