Figure 1
From: Surface structure, model and mechanism of an insect integument adapted to be damaged easily

Cuticle surfaces of sawfly larvae by SEM. Easy bleeders are A. rosae (a, b) and M. monticola (d). Non-easy bleeders are C. septentrionalis (c), H. australis (e), N. miliaris (f), P. parvula (g) and G. hercyniae (h). The dorso-lateral part of the abdomens is shown. Detailed view showing spider-like microstructures (b). Views showing blister-like swellings (c, e to g) or setae (h).