Index to Names of Insects and 

 Plants in Volume XVIII. 



Generic names begin with a capital, specific names with a small letter. 

 New genera, subgenera, species, subspecies and varieties are printed in italics. 



Absyrtus, 4 



Acsenites, 4 



Acanthocephala, 26 

 terminalis, 26 



Acanthoderes, 135 

 quadrigibus, 135 



Acholla, 33 



multispinosa, 33 



Acidota, 189 



quadrata, 189 



Acmaeops, 77, 194 

 directa, 77 

 fulvipennis, 194 

 pratensis, 194 

 proteus, 194 

 semimarginata, 194 



Acoptus, 79 



suturalis, 79 



Actobius, 74 

 parcus, 74 



Acutalis, 167 



semicrema, 167 



Adalia, 41 



bipunctata, 41 



Adelocera, 75 



marmorata, 75 



Adoneta, 161 



leucosigma, 161 



Agabus, 184 



jeneolus, 184 

 arcticus, 186 

 borealis, 185 

 congener, 185 

 dissimilis, 185 

 discolor, 185 

 erichsonii, 186 

 fuscipennis, 186 

 infuscatus, 185 

 inscriptus, 185 

 l?evidorsus, 186 

 lutosus. 186 

 nigripalpis, 185 



Agabus, nigroaeneus, 1S6 



parallelus, 184 



punctulatus, 184 



semipunctatus, 184 



subfasciatus, 186 



tristis, 186 

 Agathidium, 74, 188 



dentigerum, 74 



obsoletum, 188 



oniscoides, 74 

 Agathis, 5 

 Agonoderus, 74 



infuscatus, 74 



pallipes, 74 



testaceus, 74 

 Agrilus, 76 



arcuatus, 76 



bilineatus. 76 



fuscipennis, 76, 81 



otiosus, 76 

 Agropenna, 137 



belangeri, 142, 143 



cogitata, 138, 139, 140, 147 



citimia, 142, 143 



conradi, 138, 142, 144, 145, 146, 

 148 



dubitans, 138, 140, 147 



exornata, 142 



helva, 138, 140, 141, 142, 147 



illustra, 138 



indela, 144, 146, 148 



inficita, 138, 142, 143, 148 



lateritia, 137, 138, 139, 140, 147 



lineosa, 145, 147, 148 



lutosa, 138, 141, 143, 147 



niorna, 138, 142 



pendina, 146, 147, 148 



satina, 139, 140 



sputatrix, 138, 140 

 Alaptus, 240 



csecilii, 241, 242, 244 



eriococci, 242, 244 



274 



