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Fig. 6 | BMC Ecology and Evolution

Fig. 6

From: Leaves that walk and eggs that stick: comparative functional morphology and evolution of the adhesive system of leaf insect eggs (Phasmatodea: Phylliidae)

Fig. 6

Detachment forces of different egg morphotypes. A Phyllium gardabagusi, pinnate egg type with type 5 pinnae evenly distributed on the egg capsule. B Phyllium elegans, circular egg, with simple type 2 pinnae. C Phyllium tobeloense, pinnate type with patches of type 5 pinnae unevenly distributed on the egg. D Phyllium ericoriai, egg with reinforced ribs carrying clusters of type 4 pinnae. E Phyllium gantungense, 8-pit egg type with uneven distributed type 5 pinnae. F Cryptophyllium westwoodii, mossy egg type with short type 1 pinnae. Colours indicate the substrate parameters (roughness (epoxide substrates) and surface chemistry (glass and silanised glass)). The graphs show the median. Except for A1, errors bars are omitted for clarity (see Results). Asterisks indicate statistical significance (* = p < 0.05, one-way repeated measures ANOVA followed by Holm-Šídák post hoc test, or Friedman’s repeated measures ANOVA on ranks followed by Tukey respectively; N = 15 for every measurement)

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