ENGLISH: ILLINOIS TREES: THEIR INSECT ENEMIES 



87 



Reticulitermes spp 71 



Rhyacionia 



buoliana 57 



frustrana 57 



S 



Samia cynthia 5 



San Jose scale 18, 18 



Saperda 



calcarata 59 



tridentata 29 



Sawfly 53 



red-headed pine 54 



Scale 76 



cottony maple 43, 44 



dogwood 20 



euonymus 33, 34 



European elm 25, 26 



Fletcher 71,71 



insect 1, 2 



juniper 6,37,38 



oystershell . . 8,9, 40, 60, 62, 69 



pine needle 54, 55, 65 



Putnam 27,28 



San Jose 18, 18 



scurfy 26,27 



spruce bud 64, 64 



tuliptree 66 



Scaphoideus luteolus .... 33 

 Seolytus 



multistriatus 31 



quadrispinosus 36 



Scotch pine 54, 57, 58 



Scurfy scale 26, 27 



Shadbush 29 



Shoot moth, European pine . . 57 



Sitka spruce 64 



Skeletonizer, birch 11 



Smaller European 



elm bark beetle ... 31, 32 

 Snow-white linden moth ... 40 

 Soft maple . . . 43-4, 44, 45, 45 



Soybean 75 



Spanworm, elm 40 



Sphaerotheca phytoptophila . . 36 



Sphinx, catalpa 14, 15 



Spider mite 



spruce 6, 39, 62 



two-spotted 33,62 



Spirea 62, 63 



aphid 62, 63 



Spring cankerworm . . 21, 22, 23 



Spruce 6, 62, 64 



bud scale 64, 64 



budworm 65 



Colorado blue 64 



Engelmann 64 



gall aphid 



Cooley 20,21,64 



eastern 64 



Norway 64 



Sitka 64 



spider mite 6, 39, 62 



Sternochetus lapathi 59 



Sycamore 65 



lace bug 65, 66 



Taxus (see also Yew) .... 69 



mealybug 72, 73 



Tent 



caterpillar, eastern ... 12, 13 



maker, poplar 60 



Termite 71 



Tetranychus telarius . . . 33, 62 

 Thamnosphecia scitula .... 20 



Thrips, privet 60 



Thyridopterix ephemerae/ ormis 5 

 Toumeyella liriodendri .... 66 

 Tree 



borer, flatheaded apple . 46, 46, 48 



of heaven 3 



Tremex columba 47 



Tremex, pigeon 47 



Tuliptree 66 



aphid 66 



scale 66 



Tussock moth, white-marked 23, 24 



Twig pruner 48 



Two-spotted spider mite . . 33, 62 



U 



Unaspis euonymi 33 



Vasates quadripedes 

 Vine weevil, black . 



W 



. 45 

 69,70 



Walnut 67 



caterpillar 67, 67 



curculio, black 68 



Weevil 



black vine 69, 70 



white-pine 54 



Webworm 



ailanthus 3,4 



fall 9,10,24 



juniper 38, 39 



mimosa 42, 43 



White-marked tussock moth . 23, 24 



White 



birch 11 



oak 50 



pine 54,56,57 



weevil 54 



Willow 60, 68, 75 



