Keyhole wasps, 101
Killing bottles, 126
Knife-like hairs, 68
Labels, 118
Labial palpi, 5
Labium, 127, 134
Larva, 11, 13
Lasius niger, 91
-- flavus, 91
Latin names, 55
Lawn bee, 9
Leaf-cutting bees, 52
Lepidoptera, 129
Ligula, 75, 134
Limbs, 125, 127
Locomotion, 125
Lodgers with ants, 89
Lomechusa, 89
Long-horned bee, 104
Lora, 74
Lysimachia, 106
Macropis, 106
Males, 95
Male wasp, 2
-- hornet, 2
Mandibles, 127, 129
Mason bee, 55
Maxillae, 75, 127, 134
Mayflies, 128
{143}
Melecta armata, 61
-- luctuosa, 62
Mentum, 74
Metoecus paradoxus, 38
Mimicking flies, 94
Miscophus, 119
Moss, 29
Mouse's nest, 29
Mouth, 128
Mutilla, 112, 119
Myrmica, 34
Myrmosa, 100
Nests, 24, 26, 31, 35, 45, 49
-- in bramble stems, 45
-- Humble bees, 40
-- of leaves, 53
-- of paper, 37
-- in wren's nest, 41
Neuration, 136
-- figure and explanation of, 133
Neuroptera, 128, 129
Nodes, 33
Nomada, 15, 48
Non-predaceous hymenoptera, 3
Nymph, 11
Odynerus, 24
Orthoptera, 128, 130
Osmia, 48, 56, 120
-- bicolor, 59, 121
-- inermis, 58
-- leucomelana, 57
-- parietina, 58
-- rufa, 56
Ovaries, 4
Ovipositer, 1
Oxybelus, 86
Palm, 82
Palpi, 134
Panurgus, 49
Paper, 37
Paraglossae, 76
Paralytics, 18
Plant lice, 19
Poison bags, 1
Pollen collecting, 65
Pompilus, 87
Ponera, 33
Porterage, 34
Post-scutellum, 135
Predaceous species, 3
Preservation, 116
Propodeum, 132, 135
Prosopis, 44, 46
-- cornuta, 47
Pulvillus, 135