132 



Key to Families of North American Insects. 



Heloridse, 24 

 Hemerobiidse, 45 

 Hemerocampa, 55 

 Hemerodromia, 66 

 Hemimeridse, 14 

 Hemiptera, 76 

 Hemisia, 29 

 Henicocephalidse, 79 

 Henopidse, 64 

 Hepialidse, 49 

 Heptagenia, 43 

 Heriades, 30 

 Hesperiidse, 59 

 Hesperoctenes, 78 

 Hetserina, 43 

 Heterocampa, 52 

 Heterocera, 48 

 Heteroceridfe, 37 

 Heterochila, 70 

 Heteromera, 31 

 Heteroneuridse, 69 

 Heteroplectron, 47 

 Heteroptera, 76 

 Hexagenia, 43 

 Hippelates, 71 

 Hippiscus, 13 

 Hippoboscidse, 72 

 Hippodamia, 37 

 Hirmoneura, 64 

 Histeridaj, 33 

 Histriciidse, 68 

 Holcaspis, 22 

 Holcocera, 58 

 Hololepta, 33 

 Holometopa, 67 

 Homffiinus, 80 

 Homalomyia, 68 

 Homoptera, 73 

 Hoplisodes, 29 

 Hybos, 66 

 Hydrellia, 71 

 Hydriomena, 52 

 Hvdrobatidae, 78 

 Hydrobius, 32 

 Hydrometridse, 78 

 Hydrophilidse, 32 

 Hydrophorus, 66 

 Hydropsychidse, 47 

 Hydroptilidse, 47 

 Hydroscaphidse, 37 

 Hvlocoetus, 36 

 Hylophilidae, 39 

 Hylotomidse, 20 

 Hymenoptera, 19 

 Hymenopteroidea, 1 

 Hymenorus, 38 

 Hj-patus, 60 

 Hyphaatria, 54 



Hypocera, 65 

 Hypodermatidffi, 67 

 Hypoprepia, 55 

 Hj-porhagus, 39 

 Hypselosoma, 77 

 HjTJsidse, 54 

 Hystrichopsyllidae, 73 



Ibaliidfe, 22 

 Ichneumonidoe, 21, 22 

 Ichneumoniformia, 1 

 Idiocerus, 74 

 Incurvaria, 57 

 Inocellia, 44 

 Iphiclides, 60 

 Ipidse, 40 

 Ischnocera, 18 

 Ischnoptera, 16 

 Isocybus, 24 

 Isodontia, 28 

 Isometopidai, 78 

 Isoptera, 17 

 Isosoma, 23 

 Isotoma, 83 



Ithomiidse, 59 

 Itonididse, 63 



Jalysus, 80 

 Janus, 20 

 Japygidse, 82 

 Jassidse, 74 

 Jugatse, 49 



Kapala, 23 

 Kermes, 75 



Labiduridse, 15 

 Labiidse, 15 

 Laccobius, 32 

 Lachnosterna, 41 

 Lacosomatidse, 53 

 Lsemophloeus, 34 

 Lsemopsylla, 73 

 Laertias, 60 

 Lagoa, 50 

 Lagriidfe, 38 

 Lamellicornia, 31 

 Larapyridae, 36 

 Languridse, 37 

 Laphria, 65 

 Laphygraa, 54 

 Lariidse, 40 

 Larridse, 28 

 Larvsevoridse, 68 

 Lasiocampidae, 53 

 Lasioptera, 63 

 Lasius, 25 



Lathridiidfe, 38 

 Lauxaniidae, 69 

 Lemoniidse, 60 

 Lepidoptera, 48 

 Lepidosaphes, 75 

 Lepismatidae, 81 

 Leptidae, 64 

 Leptinidae, 35 

 Leptinotarsa, 40 

 Leptocera, 70 

 Leptoceridae, 48 

 Leptocoris, 80 

 Leptogaster, 65 

 Leptoglossus, 80 

 Leptomydas, 65 

 Leria, 68 

 Lestes, 43 

 Lestremia, 63 

 Lethocerus, 77 

 Leucopis, 72 

 Leucospidae, 23 

 Libellulidae, 43 

 Libelluloidea, 3 

 Liburnia, 74 

 Libytheidffi, 60 

 Limenitis, 60 

 Limnephilidae, 47 

 Limnerium, 21 

 Limnobatidae, 78 

 Limnobiidse, 62 

 Limnophila, 62 

 Limnotrechus, 78 

 Limonius, 33 

 Limosina, 70 

 Liotheidae, 18 

 Liparidae, 55 

 Lipeurus, 18 

 Liponeuridae, 62 

 Lipoptera, 18 

 Liriopeidae, 62 

 Litargus, 37 

 Lithocolletes, 57 

 Lithosiidae, 51, 55 

 Locustidae, 14 

 Lomamyia, 46 

 Lonchaeidae, 70 

 Loiichopteridae, 65 

 Lonomiidae, 53 

 Lophyrus, 20 

 Loxocera, 72 

 Loxostege, 50 

 Lucanidae, 41 

 Lucidota, 36 

 Lucilia, 68 

 Lycsenidae, 60 

 Lydidae, 19 

 Lycida;, 36 

 Lycogaster, 24 



