BULLETIN 285 FEBRUARY, 1927 TWENTY-SIXTH REPORT OF THE STATE ENTOMOLOGIST OF CONNECTICUT 1926 W. E. BRITTON, Ph.D. State Entomologist -- Monnrrtirut Aerirulhtral ExpPrimPnt Station Hem 'iilaben, Monnectirnt TWENTY-SIXTH REPORT OF THE STATE ENTOMOLOGIST W. E. BRITTON, Ph.D. State 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. CONNECTICUT AGRICULTURAL EXPERIMENT STATION OFFICERS AND STAFF an of February 1927 BOARD OF CONTROL His Excellency, John H. Trumbull, ex-oficio, President Charles R. Treat, Vice-president ................................Orange George A. Hopson, Secretary .............................Mount Carmel Wm. L. Slate, Jr., Director and Treaszrrcr ...................New Haven Joseph W. Alsop .................................................Avon Elijah Rogers ..............................................S~uthin~gton Edward C. Schneider ....................................... Middletown Francis F. Lincoln ............................................Cheshire STAFF. E. H. JENKINS,p11.D.. Director Emeritus. Administration. WM. L. SLATE,JR.. B.SC., Director and Treasurer. X11ss L. Jl. .ERAUTLECHT,Bookkeeper and Librartan. V BERCERStenographer and Bookkeeper. 2:;: ~AR;E. BRA;)LEY, .Secretary. G. E. GRAIIAM,In charge of Butldings and Grounds. Chemistry. E. M. BAILEYPH.D., Chctnist in Charge. Analyt~cal C. E. SHEPAR;) Laboratory. OWENL. NOLAN H~~~~ T. F ~ A.B. ~ ~ ~ ~ . W. T. ~ ~ ~ '~ 1 J1 1 ~ FRANKC. SHELDONLaboratory Assistant. V. L. CHURCHILL,kainpling Agent. MISS MABELBACON, Stenographer. Biochemical T. B. OSBORN~PH.D ~henr&tin Charge. Laboratory. H. B VICKERY) PH.D" Biochenrist. MISS'I-IELENC: cANN;N, B.s., Dietitian. Botany. G. P. CLINTONSc.D Botanist in Charge. E M. STODDAR'D B.S' Potnologist. MISS FLORENCE)A. ik~RM1~~,P~.D., Path010gist. WILLIS R. HUNT,PH.D., Assistant an Botany. A. D. MCDONNELL.General Assistant. Entomology. W. E. BRITTON,PH.D., Entomologist in Charge; State Etrtomologist. B. H. WALDEN,B.AGR. ] AI. P. ZAPPE,U.S. Assistant Entotrrologists. PHILIPGARMAN PH.D. ROGERB FRIE;~ B.Sc. Graduate Assistant JOHNT.'ASHWOR;H, ~eb~tyin Char e of G&y Mot!&Work. R. C BOTSFORDDeputy tn Charge of Mosqutto Eltmtnataon. MIS; GRACEA.'FOOTE, B.A., Secretary. Forestry. WALTER0. FILL&. Forester in Charne. H. W. Hrcoc~,M.P., Assistant ~meifir. E. RILEY,JR., M.F., In charge of Blister Rust Control. kISS PAULINEA. MERCHANT,Stenographer. Plant Breeding. DONALDF JONES S.D. Geneticist in Charge. H. R. M&RAY, B'.s., draduate Assistant. Soil Research. M F MORGANM.S. Investigator. H: G: M. JAC~BSON,h.~., Assistant. Tobacco Sub-station PAULJ. ANDERSONPn.D., Pafholo~istin Charge. at Windsor. N. T. NELSON,PH:D., Assistant Physiologis!. THE TUTTLE, MOREHOUSE 8 TAYLOR COMPANY CONTENTS PAGE Twenty-sixth Report of the State Entomologist of Connecticut ...... 161 4 Letter of Submittal ............................................... 161 Summary of Inspection and Office Work ........................... 161 Publications of the Entomological Department. 1926 ................. 162 1 Report of Receipts and Expenditures ............................... 163 Department Staff and Work'. ...................................... 164 Insect Collection .................................................. 166 Entomlogical Features of 1926 ................................... 166 Insect Pests .................................................. 167 General Index to Reports ..................................... 179 Convention of Entomological Workers ......................... 179 Inspection of Nurseries in 1926 ....................................181 Nursery Firms Receiving Certificates in 1~26................... 184 Inspection of Imported Nursery stock ............................. 189 Inspection of Apiaries in 1926 ..................................... 192 Gipsy Moth Work in Connecticut in 1926 ........................... 199 Quarantines ..................................................216 The Spruce Gall Aphid ............................................223 Further Reports on Spraying and Dusting of Apples ............... 228 Work with the Oriental Peach Moth in 1926 ....................... 234 European Corn Borer Clean-up Work in 1926 ...................... 239 Federal Corn Borer Quarantine ............................... 242 The Japanese Beetle in Connecticut ................................ 243 Quarantines .................................................. 247 A Co-operative Project in Controlling the Asiatic Beetle ............ 252 Quarantine Order ............................................. 255 Report of Quarantine and Control Work for the Asiatic Beetle during 1926 ....................................................... 257 The Satin Moth in Connecticut .................................... 264 Abundance of Ormenis fl~.zcirtosaSay on Ibota Privet ................ 267 Mosquito Control Worlc in Connecticut. Season of 1926 ............ 268 Miscellaneous Insect Notes ........................................ 276 Leaf-Roller on Hickory ....................................... 276 Dingy Cutworm Injuring Apple Trees ........................... 276 Spruce Scale .................................................. 276 Beets Attacked by Greenhouse Leaf-Tyer ...................... 276 European Grain Beetle in Connecticut .......................... 276 Japanese Scale Insect ......................................... 276 Flight of Cotton Moth ........................................ 277 Persimmon Psyllid in Connecticut .............................. ~7 European Pine Shoot Moth .................................... 277 Silky Robher Fly ............................................. 278 Index ............................................,,,......... 281 CONTENTS AUTHORSHIP For bibliographical purp.oses all material published in this Report (Bulletin 285), unless otherwise indicated, should be credited to \?I. E. Britton. ILLUSTRATIONS The illustrations in this Report (Bulletin 285) are from the following sources : Figs. I, 3, 5, and 8, outline maps shaded by B. H. Walden ; Fig. 7 drawn by J. P. Johnson; Fig. ro drawn by R. C. Botsford; Fig. z after Federal Horticultural Board; Figs. 4, 6, g, and 11, drawn by Dr. Philip Garman. Plates are all from photographs; XII, b and c, XIII, b and c, after U. S. Bureau of Entomology; XV, by R. C. Botsford; 11, VII, a, XI, a, and XIV, b, by W. E. Britton; IV, by R. B. Friend; VIII, b, by J. P. Johnson; all others by B. H. Walden. BULLE'I'IN 285 TWENTY-SIXTH REPORT OF THE State Entomologist of Connecticut To the Director and Board of Control of the Connecticut Agricul- tural Experiment Station: I have the honor to transmit herewith my twenty-sixth annual report as State Entomologist of Connecticut. As usual, this report gives a full account of the activities of the Department of Entomology, particularly the inspection and control work pre- scribed by Statute, and also the various lines of research and observation dealing with economic insects, which have engaged the attention of the members of the Department staff during the year Respectfully submitted, W. E. BRITTON, State and Station Entonzologist. SUMMARY OF INSPECTION AND OFFICE WORK 230 samples of insects received for identification. 182 nurseries inspected. 174 regular certificates granted. 3 special raspberry certificates granted. 94 nursery dealers' permits issued. 181 shippers' permits issued to nurserymen in other states. 202 duplicate certificates furnished to be filed in other states. 121 parcels of nursery stock inspected and certified. 565 bales of mountain laurel and other decorative material inspected and certified for shipment. 25,000 narcissus bulbs inspected and certified. 45 orchards and gardens examined. 32 shipments, containing 347 cases, 3,443,357 plants, imported nursery stock inspected. 13 shipments, or 40.6 per cent, found infested with insects or fungi. 814 apiaries, containing 7,923 colonies. inspected. 26 apiaries and 68 colonies found infested with European foul brood. 14 apiaries and 23 colonies found infested with American foul brood. 3,143 letters written on official work. 915 circular letters. 418 post cards. 58 reports to Federal Horticultural Board. 3,262 bulletins, etc., mailed on request or to answer inquiries. 67 packages sent by mail and express. 26 lectures and addresses at institutes, granges, and other meetings. PUBLICATIONS OF THE ENTOMOLOGICAJ, DEPARTMENT, 1926 BY W. E. BRIWN : Twenty-fifth Report of the State Entomologist of Connecticut (Bulletin 275), 120 pages, 13 figures, 20 plates ; 10,500 copies distributed in April. Inspection of Nurseries in 1p5, 16 pages, 3 figures; reprinted from the Report ; 300 copies, April. A Xew Pest of Lawns, Bulletin of Immediate Information No. 52, December 15, 1925; 4 pages, I figure; 3,250 copies, sent in March to all families in region infested. Asiatic Beetle Quarantine, Bulletin of Immediate 1nformati.on No. 53, 2 pages : r.500 copies, April. Borers in Relation to Cavities in Trees, Tree Talk, Spring Number, 2% paces, 2 fi-res, March. Red Mite and Railroad Worm, Report of Thirty-second Annual Meeting of the Massachusetts Fruit Growers' Association, Inc., page 175, 6 pages, Mav, 1926. Renort of Comm~tteeon Injurious Insects, Proceedings of the Thirty- fifth Annual Meeting, Connecticut Pomological Society, page 38, 5 pages, April. Insects Attacking Vegetable Crops in Connecticut in 195Report of Connecticut Vegetable Growers' Association for 1925, page 13, 7 pages, August. Thrce Injurious