H

Hagen-Poiseuille equation, 87, 90, 198

Harvesting apparatus, ruminant, 102

Hatchling survival, sprint speed and, 244

Head movement, bite procurement and, 115

Heliconius melpomene, 193

Herbivores, forage intake of, 102

Heterotrophic flagellates, 273

Hidden food presentation, 168, 169

High-removal low-deposition pollinators, 142

High tech material, wood as, 3

Hill slopes, soil loss of, 22

Hindlimb jumping muscle, 239

Hispid flagella, 276

Hoofed mammals, 102

Hook climbers, 39, 45, 53

Horse-cattle comparison, bite depth and, 116

Human Performance Centre, flume at, 66

Hummingbirds courtship flights of, 308 energetic cost of foraging, 204 flight displays, 312 foraging efficiency, 197 Hydraulic conductance, 85, 88 conduit radii and, 89 reference network, 89 tree wood data, 93-94 Hyla multilineata, 234 Hymenoptera, tip region of, 194

Incisor arcade, 103-104 Insect(s)

interactions of plants with, 164 pad contamination, 150 secretion, wax crystals and, 148 surface, SEM micrographs of, 153, 154 Insect attachment structures, plant waxes and, 147-162 discussion, 155-160

contaminating effect of crystalline epicuticular waxes on insect attachment devices, 155-158 dependence of pad contamination on wax micromorphology, 158-160 material and methods, 149-150

model insect species and experiments, 149-150

plant surfaces and other substrates, 149 results, 150-155

adhesive pads of beetle Chrysolina fastuosa, 150 pad contamination, 150-155 pruinose plant surfaces, 150 Interception feeder, 283 Intertidal seaweeds, 62 Iris germanica, 149, 152 Ischnosiphon, 46, 55 Ischnosiphon centricifolius, 47, 48, 52

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