PAGE 



Dolerus aericeps, etc., 63 ; martidus, 



etc 64 



Donisthorpea iimbrata 15 



Dyspetes praerogator 40 



Emphj'tus togatus, etc 64 



Empria excisa, etc 64 



Eiirylabus tristis 39 



Euryproctus lateralis 40 



Eusemion cornigerum, italicuni 80 



Emira saliceti 64 



Exalates cinctipes, nigripes 40 



Esenterus flavilabris 40 



Exolytus laevigatus 40 



Foeiuis jaculator 118 



Formicoxenus nitidiilus 17 



Glyphicnemus profligator 39 



Glypta pedata, etc 40 



Goniocryptus titillator 40 



Halictus laevis, 51 ; quadricinctus, 



199; species of 74 



Hartigia linearis 63 



Hemiteles laevigatus, necator 39 



Henicospilus ramidulus 40 



Herpestomus briumeicomis 64 



Homocidus cinctus, etc 40 



Hopiocampa crataegi, etc 63, 64 



Ichneumon molitorius, etc., 39 ; ex- 



tensorius, sarcitorius 122 



Leptothorax nylanderi 17 



Lissonota bellator , etc 40 



Loderus vestiglalis 64 



Lophyrus pini 227 



Macrophya rufipes 64 



Megachile ericetorum, 160 ; pyrina... 



52, 74 



Melitta lanifrons, 87 ; species of... 46, 51 



Mellinus arvensis 42 



Mesoleius semicaligatus 40 



Mesoleptes cingulatus, testaceus 40 



Microcryx^tus arriden.-?, etc 39 



Mimesa atra 230, 231 



Miscophus maritlmus 230 



Monophadnus albipes, etc 64 



Nepiera concinna 40 



Nomada bucephalae, 12, 13, 198 ; 

 conjungens, 12, 13, 48 ; species 



of 48, 159, 160 



XV 

 PACE 



OdyneruR, species of 229 



Oedematopsis scabricula 40 



Omorga borealis, ensator, faimus ... 40 



Option scutellaris, stigmaticus 40 



Osmia, species of 160, 275 



Oxybelus argentatns, 238 ; mandibu- 



laris, etc., 240 ; nigripes, etc., 



243; species of 238, 271, 275 



Pachynematns flaviventris, etc 64 



Paehyprotasis rapae 64 



PamphiliuR depressus, etc 63 



Paniscus costatus, melanurus 04 



Pemphredon lugubris 199 



Periclista melanocephala 227 



Pezomachns fasciatus, instabilis 39 



Phaeogenes ophthalmicus, etc 39 



Phanacis centaureae 275 



Phobocampa bicingulata, luiicincta ... 40 



Phygadeuon exiguus, fumator 39 



Phymatocera aterrima 224 



Phytodiaetus coryphaeus 40 



Pimpla robusta, etc 40 



Platylabus praedatorius 39 



Polistes biguttatus, gallicus 229 



Polyblastus variitarsis 40 



Pompilus cardui (sp. n.), 11 ; niger- 



rimus, 11 ; sanguinolentus, 52 ; 



species of 229, 230 



Ponera contracta, piinctatissima 231 



Pontania leucostigma, viminalis, etc. . 64 



Prestwichia aquatica 182 



Priophorus eradiatus 64 



Pristiphora fulvipes, etc 64 



Promethus sulcator, etc 40 



Prosoi^is, species of 73, 74 



ProtichneumoB fuscipennis 39 



Psammochares nigerrimus 10' 



Psen atra 52 



Pseudodineura fuscula 64 



Psithyrus rupestris, etc., 117 ; quadri- 



color, 120 ; species of 162' 



Pteronidea ribesii, etc., 64 ; salicis, 



etc 63 



Ptcronus pini, 64 ; sertifer 280 



Ehadinoceraea micans 224 



Rhogogaster fulvipes, 63 ; punctulata, 



etc 64 



