BULLETIN 294 FEBRUARY, 1928 T WENTY-SEVENTH REPORT UF THE STATE ENTOMOLOGIST OF CONNECTICUT 1927 W. E. BRITTON, Ph.D. State Entomologist TWENTY- SEVENTH REPORT OF THE STATE ENTOMOLOGIST CONNECTICUT W.E. BRITTON, Ph.D. State Entomologist The Bulleun:, vf 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 BOARD OF CONTROL His Excellency, John H. Trurnbull, ex-oflcio, President Charles R. Treat, Vice-President............................... .Orange George A. Hopson, Secretary. ............................klount Carrnel Wrn. L. Slate, Director atrd Treasurer.. ......................New Haven JosephW.Alsop .................................................Avon Elijah Rogers ............................................. Suthinaon Edward C. Schneider ...................................... Middletown Francis F. Lincoln .......................................... Cheshire STAFF. E. H. JEsKINs. PH.D.. Director Emerilus. Administration WM. L. SLATE.BSC.. Direclor and Treasurer. MISS L. M. BRAUTLECHT.Bookkeeper and Librarian. MISSJ. V. BERGER.Assisla111 Bookkeeper. MRS. R. A. HUNTER.Secretary. (;. E. GRAHAM.In charge of Baildings and Grounds. Chemistry. E. M. BAILEY.PH. D.. Chemisl in Charge. Analytical C. E. SHEPARD Laboratory. OWENI.. NOLAN HARR<J.~F.Y~HER.A.B. Assistan! Chemists. DAVIDC. WALDES.B.S. \V. T.MATHIS FRA~KC. SHELDOS. Labora!ory Assislanl. V. L. CHURCHILL..Sampling Agent. MISS MABELBACON. Secrelary. Biochemical T. B. OSBORNE.PH.D.. Chemisl in Charge. Laboratory. H. B. VICKERY.p11.D.. Biochemisl. MISS HELENC. CANSON.B.S.. Diclilian. Botany. G. P. CLINTON.ScD.. Bolanist in Charge. E. M. STODDARD.B.S.. Pomdogisl. MISS FLORENCEA. MCCORMICK.PH.D.. Palhdoqisl. GEORGEL. ZUNDEL.M.S.A.. Graduate Assrslanl. A. D. MCDONNELL.Ge11era1 Assi~lanl. MRS. W. W. KELSEY.Secretar)~. Entomology W. E. BRITTON.PA.D.. Entomologist in Charge: Slate Entomolo~isl. B. H. \VALDEN.B.AGR. M. P. ZAPPE,B.S. PHILIPGARMAN. p11.D. Assislanl Enlomdogists. ROGERR. FRIEND,PH.D. J. P. JOIINSON.B.S.. Deputy in Charge of Japanese Beetle Quaranline. JOHNT. ASIIWORTH.Deputy in Charge of Gipsy .Moth Work. R. C. BoTs~oRo.Depuly in Charge of A4osquilo Elimination. Mrss GRACEA. FOOTE,R.A., Secretary. Forestry. WALTER0. FILLEY.Forester in Charge. H. \V. HICOCK.M.F.. Assistant Foresler. J. E. RILEY.JR.. b1.F.: In Charge of Blister Rust Conlrd. H. J. Lu~z.M.F.. Asstsla?rl Foresler. MISS PAULINEA. MEKCHAST.Secrelu~y. Plant Breeding. DONALDF. Joses. S.D.. finelicisf in Charge. Mr. R. SINGLETON.S.M.. Assislanl Genelicisl. H. R. MURRAY.B.S.. Gradriale Assislan!. Soil Research. M. F. MORGAN.M.S.. Agronmist. H. G. M. JACOBSON.M.S.. Assislanl. MISS EVELYNM. GRAY.Secretary. Tobacco Sub-station PAULJ. ANDERSON.PH.D.. Palhdogisl in Cltarge at Windsor N. T. NELSON.PH.D.. Assiston1 Pkysido~isl. T. K. S~VAKPACK.B.S.. Scientific As~icla~rf. QUINNIPIACK PRESS. INC.. NEW HAVEN. CONTENTS PAGE Twenty-seventh Report of the State Entomologist of Connecticut ..... 193 Letter of Submittal .............................................. I93 Summary of Inspection and Office Work ........................... ~ub'lications.of the Entomological Department ...................... Report of Receipts and Expenditures .............................. Department Staffand Work ...................................... Entomological Features of I927 ................................... Fruit Insects ................................................ Vegetable Insects ............................................ Shade and Forest Tree Insects ................................ Insects Attacking Ornamental Shrubs and Plants ................ Miscellaneous Insects ........................................ 209 Convention of Entomological Workers ......................... 209 Inspection of Nurseries in I927 .................................... 210 Nursery Firms Receiving Certificates in 1927 ................... 215 Inspection of Imported Nursery Stock ............................. Inspection of Apiaries in 1927 ..................................... Gipsy Moth Work in Connecticut. 1927 ........................... Operations for the Control of the European Corn Borer .............. Quarantine ................................................. Further Reports on the Spraying and Dusting of Apples ............. Cankenvorms in New London County ............................. The Oriental Peach Moth in Connecticut ........................... Weafher Conditions Accompanying the Aphid Outbreak in Connecticut In I927 ..................................................... Tests with Insecticides Designed to do the Work of Nicotine Sulphate . The Carrot Rust Fly ............................................ The European Hen Flea in Connecticut ............................ Report of the Activities to Control the Japanese Beetle in 1927 ....... Report of Asiatic Beetle Control and Quarantine Work in 1927 ....... Mosquito Control Work in Connecticut ............................ Miscellaneous Insect Notes ....................................... Severe Injury to Fruit by the Green Apple Aphid ............... Brown Scale on Arborvitae ................................... Abundance of the Mealy Plum Aphid.'. ........................ Watch for 17-year Locust in 1928 ............................. Abundance of the Raspberry Sawfly ........................... The Poplar and Willow Curculio .............................. The Blackberry Psyllid ...................................... A New Mosquito Ditching Spade .............................. The Greenhouse or Celery Leaf-Tyer .......................... Cottony Maple-Leaf Scale on Dogwood ........................ Index .......................................................... AUTHORSHIP For bibliographical purposes all material published in this Report (Bulle- tin 2g4), unless otherwise indicated, should be credited to W E. Britton. ILLUSTRATIONS The illustrations in this Report (Bulletin 294) are from the following sources: Figs. 38, 39, and 48, outline maps shaded by B. H. Walden; Figs. 40 to 47 are maps, charts, and one (Fig. 43) illustrating insects drawn by Dr. Phili~Garman. Plates are all from ~hotorrra~hs: XXI. XXII a. XXIII, and XXIV, by W. E. Britton; XXII 6, by G.E. ~uertin;'~~~b; M. P. Zappe; XXVII c, by P. Garman; XXXIII to XXXVI by R. C. Rotsford; all others by B. 14. Walden. BULLETIN 294 TWENTY-SEVENTH REPORT OF THE State Entomologist of Connecticut To the Director auld Board of Cofztrol of the Connecticut Agri- cultural Experiment Stafion: I have the honor to transmit herewith my twenty-seventh annual report as State Entomologist of Connecticut. This report contains an account of each of the activities of the Department of Ento- mology of the Station, including the inspection and control opera- tions prescribed by Statute, and the various lines of research in which the members of the Department staff have been engaged during the year of 1927. Respectfully submitted. W. E. BRITTON, Stafe and Station Entomologist. SUMMARY OF INSPECTION AND OFFICE WORK 305 samples of insects received for identification. 208 nurseries inspected. 206 regular certificates granted. 206 duplicate certificates furnished to be filed in other states. 2 special raspberry certificates granted. 80 nursery dealers' permits issued. 213 sl~ippers'permits issued to nurserymen in other states. 190 parcels of nursery stock inspected and certified. 230 bales of mountain laurel and other decorative material inspected and certified for shipmenst. m,ooo r~arcissusbulbs inspected and certified. 259 shipments of seed corn inspected and certified. 34 orchards and gardens examined. 31 shipments, containing 321 cases, 3,229,915 plants, imported nursery stock inspected. 22 shipments, or 70 per cent, found infested with insects or plant dis- eases. 803 apiaries, ccntaining 8,133 colonies, inspected. g apiaries and 23 colonies found infested with European foul brood. 25 apiaries and 57 colonies found infested with .4mcrican foul brood. 3,336 letters written on official work. 789 circular letters sent out. 355 post cards. 51 reports to Federal Horticultural Board. 2,146 bulletins, etc., mailed on request or to answer inquiries. 86 packages sent by mail or express. 62 lectures and addresses at meetings. I94 CONNECTICUT EXPERIMENT STATION BULLETIN 294 PUBLICATIONS OF THE EN'TOJIOLOGICAL IIEPARTJIENT, 1927 BY W. E. BRITTON: Twcnty-sixth Report of the State Entomologist of Connecticut (Bulletin 285), 124 pagcs, II figures, 16 plates; g,tm copies distributed in April, 1927. The Asiatic Beetle Quarantine, Bulletin ot Im~nediateInformation No. 55, 4 pages, 2 figures, November 10. 1926; 2,000 copies. The Japanese Beetle Quarantine, Bulletin of Immediate Information No. jG, 4 pages, I figure, November 10, 1926; 2,000 coples. Regulations Concerning the Tra~isportationaf Nursery Stock in the United States and Canada, Bulletin of Immediate Information No. j7, 32 pages, November 20, 1926; 1,775 copies. The Japanese Beetle Quarantine. Bulletin of Immediate Information KO. j8, S pages, May 16, 1927; 2,jW coplrs. The European Corn Borer Quarantine. Bulletin of Immediate Infor~ila- tion So. j9, j pages, I figure, June I, 1927; I,jm copies. Twelfth Biennial Report of the Coriirniss~onersof thc State Geological and Natural History Survcy, Bulletin So. 38, 23 pages, I plate. April, ----'YL/. Alusauito E.t-briotrotiis Est. Homo I;irtor. Enelneering- News-Record. vdl. 97,. pa& '922, Dec. j, 1926. Book Rev~ew:Blatchlcy's