TABLE OF CONTENTS. 
Page 
Letter of transmittal 5 ccs tis. t mile aeianet. enn ee II 
Financial report |...5.ic.5.caci dah Sb ee Ill 
Table sof contents yu.t i... dunes nee Oia alee ee aes ee VI 
Introduction). nee aa bheelas: lc eh ea ee ne 1 
Insects injurious in 1896), cai Wid iat An ee, ee 3 
The Chinch-bug in’ 1896/8208)" Bork hay en es ae 3 
The ,Frit-fly){Oscivissovor Macd. ie... 0. te eee 6 
The Wheat-stem Maggot (Meromyza americana Fitch)... ., 10 
The Hessian-fly (Cecidomyia destructor Say). .cccccccccccccccccssese. 11 
The Army-worm (Leucania unipuncta Harv.) oo... ccccccccccececeseee 14 
The Erratic Army-worm ( Noctua fennica Tausch)................ 20 
The White-grubs (Lachnosterna tristis Fab. and L. ru- 
GOsa Mels he) ioaiuusaackite sokuestle ed ate Oe ee 22 
The Common Hairy Rose-beetle (Huphoria inda Linn. ) ...... 26 
The Potato-beetle ( Doryphora decemlineata Say ) 0.0... 27 
The Domestic Cricket (Grillus domesticus Linn. )..... ............... 28 
The Box-elder Leaf-roller (Caceecia seqnafen ‘ana Walk.) in 
1896 ooo cp RAE LEN Se as Re 31 
The Grape-vine Leaf- -hoppers ( Tr ioe Spec, aso) eee 33 
Report of Mr. R.iH.,Pettit.sa. Gh. sar eee 34 
The Celery Tree-hopper (Cicadula 4-lineata Forbes ).............. 37 
The Lilac-borer (Sesia syringe Harr. ).....cccccccccccccesecesesccecececeeeee 38 
The Plum-gouger (Coccotorus prunicida Walsh)........cccc..... 38 
The Plum-curculio ( Conotrachelus nenumphar Hbst. )............. 41 
Parasites of Man and Domesticated Animals.......0..00cccccccccccccscccsesscosee. 44 
introduction nara apne ne ee eon & yeep Remesine fee 5, 44 
I. External Parasites.( Hpizog,)) 2, oe 46 
A. Face-mites. Black-heads. (Demodecide )....... Bie ae eee 46 
Face-mite of Man (Demodex folliculorwm Sim.).........00.... . 1 48 
Demodex of the Dog (D. folliculorum var. CONS) oor 
Demodex of theCat (D. folliculorwm var. cati) .......000.0000...... 48 
Demodex of the Hog (D. phylloides swis)....0.0.0.0ccccccccccccccce oo. 48 
Remedies: id ai), stigadagnite) AL i oe eee 49 
B. Itch-mites: (sSarcoptded eee eee Be ols 50 
1; Burrowing Mites-“(Sarcopiesiwi. rae. ah 52 
Itch-mite of Man (Sarcoptes scabiei De. G. var. hominis)...... o4 
Remedies i Awd elke Ree 56 
Norwegian Itch-mite of Man (Sarcoptes crustosce Fuerst).. 58 
