48 NORTH AMERICAN THYSANOPTERA. 



Page. 



Apricot, food plant of Cephalothrips errans 31, 44 



Euthrips pyri 26 



Trichothrips dens 30 



Aptinothrips 12, 25 



rufus 25 



var. connatticornis 11 



Aralia sp., food plant of Heliothrips femoralis 23 



Parthenothrips dracsenx 22 



Arbutus menziesii, food plant of Orothrips kelloggii 21 



Thrips madronii 22 



Arisseina tripliyllum, food plant of Heterothrips arisxmse 28 



Arrowroot, food plant of Euthrips insularis 27 



Artemisia sp., food plant of JEolothrips longiceps 22 



Aru7n sp., food plant of Heliothrips femoralis 23 



Aspidium sp., food plant of Heliothrips hsemorrhoidalis 23 



Aster, food plant of Pseudothrips inequalis 28 



Azalea, food plant of Heliothrips hsemorrhoidalis 23 



Trichothrips ruber 30 



western. (See Rhododendron occidentale.) 



Baliothrips 11, 22 



basalis 22 



Beans, food plant of Euthrips insularis 27 



Scolothrips sexmaculatu^ 26 



Beet, food plant of Heliothrips fasciatus 24 



sugar, food plant of JEolothrips fasciatus 22 



Bibliography of recent publications on North American Thysanoptera 44^6 



Bindweed, food plant of jEolothrips bicolor 21 



Birch limb, dead, Megalothrips {f) spinosus taken under bark 34 



Blackberry, food plant of Scolothrips sexmaculatus 26 



Brunella vulgaris, food plant of ^olothrips bicolor 21 



Buckeye, California, {^^ee jEscuIus calif arnica.) 



Buckthorn, food plant of Sericothrips variabilis 24 



Buckwheat, food plant of jEolothrips fasciatus 22 



wild (see also Erigonum fasciculatum) . 



food plant of Liothrips fasciculatus stenoceps 33 



Buttercups, food plant of Euthrips minutus 27 



Cacao, food plant of Heliothrips hsemorrhoidalis 23 



Carrots, wild, food plant of Chirothrips manicatus 25 



Cathartica sp., food plant of Euthrips parvus 39 



Catalogue of North American Thysanoptera 21-34 



Ceanothus sp., food plant of Ankothrips robustus 21 



Orothrips kelloggii yosemitii 21 



Sericothrips variabilis 24 



thyrsiflorus food plant of Moloihrips kuwanaii 22 



Thrips madronii 22 



Celery, food plant of ^Eolothrips fasciatus 22 



Celosa, food plant of Anthothrips variabilis 29 



Cephalothrips 13, 19, 31 



errans 19, 31, 43-44 



yuccx 19, 31 



Cereals, food plants of Chirothrips manicatus 25 



Cestrum nocturnum, food plant of Heliothrips femoralis 23 



Chamsedoreafragrans, food plant of Euthrips orchidii 26 



