Page images
PDF
EPUB

Connecticut Agricultural Experiment Station

Nem Hanen. Connecticut

TWENTY-FOURTH REPORT

OF THE

STATE ENTOMOLOGIST

OF

CONNECTICUT

1924

W. E. BRITTON, Ph.D.

Stato Entomologist

The Bulletins of this Station are mailed free to citizens of Connecticut who apply for them, and to other applicants as far as the editions permit.

OFFICERS AND STAFF

March, 1925.

BOARD OF CONTROL.
His Excellency, John H. Trumbull, ex-officio, President.
Charles R. Treat, Vice President...

.... Orange George A. Hopson, Secretary.....

. Mount Carmel Wm. L. Slate, Jr., Director and Treasurer.

New Haven Joseph W. Alsop...

.....Avon Elijah Rogers...

.Southington Edward C. Schneider.

. Middletown Francis F. Lincoln..

Cheshire

STAFF.

E. H. JENKINS, PH.D., Director Emeritus.

Administration.

Wm. L. SLATE, JR., B.Sc., Director and Treasurer.
Miss L. M. BRAUTLECHT, Bookkeeper and Librarian.
Miss J. V. BERGER, Stenographer and Bookkeeper.
Miss MARY BRADLEY, Secretary.
WILLIAM VEITCH, In Charge of Buildings and Grounds.

Chemistry:
Analytical

Laboratory.

E. M. BAILEY, PH.D., Chemist in Charge.
R. E. ANDREW, M.A.
C. E. SHEPARD
OWEN L. NOLAN

Assistant Chemists.
HARRY J. FISHER, A.B.
FRANK C. SHELDON, Laboratory Assistant.
V. L. CHURCHILL, Sampling Agent.
Miss MABEL BACON, Stenographer.

T. B. OSBORNE, PH.D., Sc.D., Chemist in Charge.

Biochemical

Laboratory Botany.

Entomology.

G. P. CLINTON, Sc.D., Botanist in Charge.
E. M. STODDARD, B.S., Pomologist.
Miss FLORENCE A. McCORMICK, PH.D., Pathologist.
WILLIS R. HUNT, M.S., Graduate Assistant.
G. E. GRAHAM, General Assistani.
MRS. W. W. KELSEY, Secretary.
W. E.BRITTON, PH.D., Entomologist in Charge; State Entomologist.
B. H. WALDEN, B.AGR.
M. P. ZAPPE, B.S.

Assistant Entomologists.
PHILIP GARMAN, PH.D.
ROGER B. FRIEND, B.Sc., Graduate Assistant.
JOHN T. ASHWORTH, Deputy in Charge of Gipsy Moth Work,
R. C. BOTSFORD, Deputy in Charge of Mosquito Elimination.
Miss GLADYS M. FINLEY, Stenographer.

Forestry.

WALTER O. FILLEY, Forester in Charge.
A. E. Moss, M.F., Assistant Porester.
H. W. HICOCK, M.F., Assistant Forester.
Miss PAULINE A. MERCHANT, Stenographer.

Plant Breeding.

DONALD F. JONES, S.D., Geneticist in Charge.
P. C. MANGELSDORF, M.S., Graduate Assistant.

Soil Research,

M. F. MORGAN, M.S., Investigator.
GEORGE C. SCABCETA, B.S., Graduate Assistant.

In Charge.
N. T. Nelson, Ph.D., Plant Physiologist.

Tobacco Sub-station

at Windsor.

THE WILSON H. LEE Co.

PAGE

Twenty-Fourth Report of the State Entomologist of Connecticut.. 225

Letter of Submittal..

225

Report of Receipts and Expenditures.

225

Summary of Office and Inspection Work.

226

Publications of the Entomological Department, 1924.

226

Department Staff and Work.

228

Entomological Features of 1924.

230

Fruit Insects....

230

Vegetable Insects.

232

Shade Tree and Forest Insects

235

Miscellaneous Insects..

236

Convention of Entomological Workers.

237

Inspection of Nurseries in 1924...

238

List of Pests Found in Nurseries in 1924.

238

Nursery Firms in Connecticut Receiving Certificates in 1924.. 240

Inspection of Raspberry Plantations.

243

Special Certificates on Raspberry Plants..

244

Inspection of Imported Nursery Stock

244

Pests Found on Imported Nursery Stock.

245

Inspection of Apiaries in 1924.

246

European Foul Brood.

247

American Foul Brood.

248

Statistics of Inspection..

249

Summary..

252

Registration of Bees.

253

Report of Gipsy Moth Work.

254

New Equipment. .

254

Details of Infestations.

255

Statistics of Infestations.

265

Summary of Statistics.

269

Financial Statement.

270

Parasites..

270

Parasites Liberated in Connecticut, 1924.

271

Barrier Zone.

272

Quarantines.

272

Area Which Must Now Be Covered in Gipsy Moth Work.. 276

Recommendations.

276

The European Corn Borer in Connecticut.

277

Methods of Clean-Up Work.

278

Summary of Clean-Up Work.

281

Repeal of Quarantine.

281

Further Work Next Season.

282

Insects Found on Twigs of Fruit Trees.

283

Insect Inhabitants of Apple Twigs.

284

Dusting Versus Spraying ..

286

Orchards Under Experiment.

287

Acknowledgments.

287

Materials Used..

287

Number and Time of Applications.

287

Summary...

292

Summary of Five Years Work on Spraying and Dusting

293

Tests of Insecticides for the Control of the Asiatic Beetle.

294

Studies of the Habits and Control of the Oriental Peach Moth in 1924 299

Control Experiments...

302

Effect of Various Insecticides on the Eggs of the European Red Mite 304

The Alcohol-Formalin Solution for Control of American Foul Brood 305

The Egg of the Blueberry Spittle-Bug...

307

PAGE The Woolly Aphid of Apple and Elm...

308 Life History..

310 Control Measures.

310 The Lime Tree Winter Moth.

311 Injury....

312 Habits and Life History.

312 Descriptions..

313 Methods of Control.

314 Substances Attractive to the Cabbage Maggot Fly.

314 Experiences in Dusting to Kill Pea Aphid, Cabbage Aphid, and Onion Thrips..::

319 Hints on Photographing Insects.

321 Mosquito Control Work in Connecticut.

331 The Work by Towns...

332 Notes on Miscellaneous Insects.

336 Miners in Milkweed Pods.

336 Walnut Bud Moth..

336 Sawfly on Arbor-Vitae.

336 Leaf-Roller on Pin Oak.

336 Biting Dog Louse in Connecticut.

336 The Azalea Scale..

337 Tropical Cockroach in Greenhouse.

337 Spiny Caterpillars on Hollyhocks.

337 Sawfly Feeding on White Pine.

337 Mealy Bug on Taxus...

338 The Bag Worm..

338 Blue Elm Beetle in Branford.

338 European Pine Shoot Moth in Connecticut..

339 A Beetle from Europe.

339 Pine Seedlings Nearly Girdled by Hylobius pales.

340 Western Corn Root Worm in Connecticut..

340 A European Sawfly Leaf-Miner of Birch.

340 Sawfly Larvae Defoliating Honeysuckle.

341 Rudbeckia "Golden Glow" Stripped by Sawily Larvae..

342 Index....

343

AUTHORSHIP. For bibliographical purposes, all matter in this Report (Bulletin 265) should be credited to W. E. Britton, except where otherwise indicated.

ILLUSTRATIONS.

The illustrations in this Bulletin are from the following sources: text figures are from drawings as follows: Fig. 7, map drawn by Alex. Cahn and shaded by Stoddard; Figs. 8-15, drawn by B. H. Walden. Plates are from photographs: Plate XXXVÍ, b, by R. B. Friend; XXX, b, by Dr. Philip Garman; XXXIII, b and c, by Nicholas Matiuck; XXIV, 6, and XXV, a, by J. L. Rogers; XXXIII, a, and XXXIV, by R. C. Botsford; XVII, XVIII, b, xix, XX, XXI, a, XXV, b, and XXIX, c, by W. E. Britton; XVIII, a, XXI, b, XXII, XXIII, XXIV, a, XXVI, XXVII, XXVIII, XXIX, a and b, xxx, a, b, c, d and e, XXXI, XXXII, XXXV, and XXXVI, a, by B. H. Walden.

« PreviousContinue »