PAGE 



SchsBiiomyza fasciata 108 



litton.lla 108 



Sciomyza bifasciella 214 



Tipiila arctica 214 



Trypeta alteniata 163, 275 



HEMIPTERA. 



Acalypta brnnnea 19 



Acetropis Gimnierthalii 190 



Aleurodes immaculata, Heeger 215 



Allygus, The genus 149 



Aradus corticalis 86 



Ath^'sanus, The genus 149 



Chilacis typhfB 190 



Cicadula, The genus 149 



Corisa assimilis, A rain of 86 



Dicyphus constrictus 51 



epilobii (sp. n.), Reuter 52 



errans 52 



hyalinipennis 52 



pallidicornis 53 



pallidus 51 



stachydis (sp. n.), Reuter 53 



Deltocephalus, The genus 149 



propinquus 208 



Doratura, The genus 149 



Eupteryx melissaa 215 



Gerris paludum 190 



Glyptocephalus, The genus 148 



Gnathodus, The genus 149 



Graphocrasrus, The genus 149 



Halobates ■?. 93 



Idiocei'us adustus 115 



albicans 116 



aurulentus 115 



confusus 115 



elegans 115 



fulgidus 115 



Herrichii 115 



laminatus 115 



lituratus 115 



poecilus 115 



populi 115 



tibialis 115 



tremulse 115 



varius 115 



vitreus 115 



Lecanium ribis 143 



Limotettix, The genus 149 



Pavamesus, The genus 149 



Pemphigus ulmi 61 



zese-maidis 61, 179 



Xlll. 

 PAGE 



Phorodon hnmuli 80, 142 



mahaleb 81, 143 



Pliylloxeva vastatrix 275 



Platygerris depressa (sp. n.). White 36 



Platymetopius, The genus 149 



Stictocoi-is, The genus 149 



Tetraneura rubra 110, 180 



ulmi 110, 179 



Thamnotettix, The genus 149 



stupidula 207 



HYMENOPTERA. 



Andrena angustior 272 



Chirkella, var 212 



fucata 212 



Hattorfiana 212 



nigriceps 212 



polita 272 



ros8B 212 



Aseraorhoptrura lippula 16 



Athalia maritima 215 



Bombus cognatus 87, 88 



nivalis 272 



Cerceris sabulosa 211 



Ceropales maculatus 211 



Cleptes semiauratus 71 



Coelioxj's acuminata 213 



Crabro clypeatus 27 1 



Kollari 212 



signatus 211 



Dinura stilata 265 



Dolerus pratorum 265 



Epeolus productus 88, 212 



rufipes 212 



Formica gagates 16 



glabra 16 



rufa 42 



Halictus breviceps 88, 229 



brevicornis 88, 229 



Isevis 271 



punctatissimus 88 



Heriades truncorum 272 



Hoplisus bicinctus 211 



Leptothorax unifasciata 87 



Megachile ericetorum 272 



ligniseca 213 



Mesoleius sepulchralis 228 



Mutilla europsea 211 



Nematus orbital is (sp. n.), Cameron 265 



sylvestris „ „ 266 



xanthopus 265 



