Dec, 1920 Bulletin of the Brooklyn Entomological Society 157 



Laboulbenia formicarum (fungus), 



71 et seq. 

 Lasius niger, var. americanus, 71 

 et seq. 



var. neoniger, 71, 79 

 Leptostylus nebulosus, 46 

 Leptura amabilis, 44 



canadensis, 44 



coquilletti, 44 



hirtella, 44 



laetifica, 44 



quadricollis, 45 



quadrillum, 45 vexa 



scapularis, 43 



sexpilota, 44 



tibialis, 44 



tribalteata, 44 



vexatrix, 45 

 Libythea bachmani, 130 

 Limnius, 132, 133 

 Limnoagromyza diantherae, 147 

 Lina lapponica, 145 

 Liopus barbarus, 45 



variegatus, 46 

 Lygus pratensis, 142 



Macrophya fistula, 114 



flaccida, 113 



flicta, 114 



tibiator, 114 

 Melanagromyza aeneiventris, 147 

 Melasoma interrupta, 145 et seq. 



tremulae, 145 et seq. 

 Melasomida, 117 

 Meloe angusticollis, 149 

 Merolonche dolli, 29 

 Merragata foveata, 19 

 Metatropiphorus belfragei, 70 

 Metrobates hesperius, 67 et seq. 

 Micfacanthia humilis, 142 

 Microvelia americana, 19 



borealis, 19 



buenoi, 20 

 Mucor (fungus), 74 

 Myrmica laevinodis, 72 et seq. 



scabrinodis, 72 et seq. 



Nemosoma punctatum, 85 



punctulata, 85 

 Neoclytus clitellarius, 40 

 Neoconocephalus triops, 87 

 Nicagus obscurus, 97 

 Nipponaphis cuspidatae, 115 



distyfoliae, 115 



distylii, 115 



yanonis, 115 

 Nysius ericae, 142, 143 



Obrium californicum, 27 



riibrum, 37, 38 



rufulum, 37, 38 

 Ochterus banksi, 142 

 Oeneis, 29 



Oiketicus abbottii, 142 

 Oncozygia clavicornis, 70 

 Ophiomyia curvipalpis, 147 

 Oreadoxa regia (plant), 102 

 Ornithoptera ritsemae, 21 



Pachycondyla striata, 76 et seq. 

 Paectes pygmaea, 87 

 Paltothyreus tarsatus, 72 et seq. 

 Pamphilius dentatus, 112 



unalatus, 112 

 Panthea acronyctoides, 87 

 Papilio erimus, 22 



donaldsoni, 22 



lyaeus, 22 



mantitheus, 21 



nepenthes, 21 



nireus, 22 



polyxenes, 149 



pseudonireus, 22 

 Pegomyia, 121 et seq. 



acutipennis, 125, 126 



afifinis, 124 



apicalis, 125 



bicolor, 123 



calyptrata, 123 



duplicata, 125 

 - emmesia, 125 



finitima, 124 



fringilla, 126 



