INJURIOUS INSECTS OF 1904. 



125 



DATE. 



May 

 May 

 May 

 May 

 May 

 May 

 May 



Becker 



Ramsey. . . . 

 Wadena. . . . 

 Big Stone. 

 Hennepin. . 



Dakota 



Redwood. . . 



Isanti 



Renville. 



Hennepin 



Hennepin 



Lac qui T'arlc. . . 

 l,ac qui Parle... 



Dakota 



Hennepin 



Hennepin 



Dakota 



Polk 



Dakota 



Hennepin. 

 Otter Tail 



INSECTS IDENTIFIED. 



Rice 



Renville. . 

 Hubbard. . 

 Hennep n. 

 Hennepin. 



Mariin 



Douglas. . . 

 Hennepin. 



Hennepin. 

 Ramsey. . . 

 Freeborn. . 

 Hennepin. 

 Ramsey... 



Wire Worm 



Scales 



Wire Worms 



Canker Worm 



Cut Worms 



"Squash Bugs" 



Striped Cottonwood Beetle, Mel- 



asoiita script a — Fabr 



Glopinus incrassatus 



Wire Worms 



March Flies, Bibio albi pennis 

 Apple Aphis, A. mali. — Fabr. 

 Buffalo Tree Hopper, C. bubalus 



—Fabr 



Cut Worms 



Flies 



Flies 



Gall-making Plant Louse 



Gall-making Plant LouS' 



Lecanium 



Cabbage Maggot, P. bras.;ica: . . . . 



Gall-making Plant Lict 



Cut Worms 



Squash Bugs, A. tristis — De- 



Geer 



Cabbage Maggot, P. biassica: . . . . 

 Elm Aphis, Sch. a'ii:-isa:\a 



Riley 



Galls 



Galls 



Wire Worm 



Cut Worms 



Ants 



Rose Pests 



Ants 



Lice 



Rose Slug 



White Grubs, Lachnostcrna 



Cabbage Maggot, P. brassicce. . . . 



Climbing Cut Worm 



Cabbage Alaggot, P. hrassica;. . . . 

 Grubs, Lachnosfen.a ritgosa — 



Welsh 



Cut Worms 



Ants 



Apple-tree Borer 



Plum Pocket 



Mites, Tyroglyphus longior and 



Aleurodcs farinata 



Fleas 



Plum Curculio, C. nenuphar. . . . 



Leaf-cutting Bee, M. brevis — 



Say 



Plum Pocket 



Cockscomb Gall, C. ulmicola — 



Fitch ^. 



Lice 



Luna Moth, A. luna — .Linn 



Ephcmerids 



Lycn... 'Gall-making Plant Lice 



Hennepin 'Bumble-flower Beetle, Euphoria 



I iitda — Linn 



Hennepin ' Unicorn prominent, S. unicornis 



I — S. & A 



Ramsev iStalk Borer, Gortvna nitela — 



I Gu -. 



Rice I Lice (esgs) 



Waseca | Stalk IBorer, Gortyna nitela — 



I Gu 



Hennepin IStalk Borer, G. nitela — Gu 



Rice. 

 Pine. 



Hennepin. 



Hennepin. 

 Freeborn. . 



Chicago, 111. 

 Washington.. 



Blue Earth. 

 St. Louis. 



HOST PLANTS. ETC. 



Wheat. 



Box elder. No specimen. 



Wheat. 



Box elder. 



Tomatoes. 



No specimen. 



Poplar. 



Kernels of planted corn. 



Corn. 



Cattle. No specimen. 



Cattle. No specimen. 



Plum. 



Plum. 



Elm. 



No specimens. 



Elm. 



Plum Leaf. 



Plums. 



I omatoes. 



remedies for, on lawn. 



^awn. 



Toney suckle, 

 '^.oses. No specimen, 

 jinseng. 

 Jabbage. 

 Apple. 

 Cauliflower. 



Lawn. 



Peas. 



Lawn. 



Xo specimen. 



Plum leaves. 



Wheat in mill. 



Apple, 100 per cent of fruit de- 

 stroyed. 



Roses. 

 Plums. 



Elm. 



Poplar. No specimens. 



Apple. 



Tomatoes. 



Old eggs in fur. 



Aster. 



