Convention of Entomological Workers.. List of Pests Found in Nurseries in 1924. Inspection of Raspberry Plantations.. Report of Receipts and Expenditures. Summary of Office and Inspection Work.. Nursery Firms in Connecticut Receiving Certificates in 1924. Special Certificates on Raspberry Plants. Inspection of Imported Nursery Stock.. Pests Found on Imported Nursery Stock. Summary of Five Years Work on Spraying and Dusting. Tests of Insecticides for the Control of the Asiatic Beetle. Effect of Various Insecticides on the Eggs of the European Red Mite The Alcohol-Formalin Solution for Control of American Foul Brood Substances Attractive to the Cabbage Maggot Fly Experiences in Dusting to Kill Pea Aphid, Cabbage Aphid, and Onion Thrips.... Hints on Photographing Insects. Mosquito Control Work in Connecticut. The Work by Towns... Notes on Miscellaneous Insects. Miners in Milkweed Pods.. Walnut Bud Moth.. Sawfly on Arbor-Vitae.. Biting Dog Louse in Connecticut. Tropical Cockroach in Greenhouse. Spiny Caterpillars on Hollyhocks. The Bag Worm.. Blue Elm Beetle in Branford. European Pine Shoot Moth in Connecticut. A Beetle from Europe. Pine Seedlings Nearly Girdled by Hylobius pales.. Western Corn Root Worm in Connecticut. A European Sawfly Leaf-Miner of Birch. Rudbeckia "Golden Glow" Stripped by Sawfly Larvae.. Index... AUTHORSHIP. PAGE 308 310 310 311 312 312 313 314 314 319 321 331 332 336 336 336 336 336 336 337 337 337 337 338 338 338 339 339 340 340 340 341 342 343 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 XXXVI, b, by R. B. Friend; XXX, b, by Dr. Philip Garman; XXXIII, b and c, by Nicholas Matiuck; XXIV, b, 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, XXVÍ, XXVII, XXVIII, XXIX, a and b, XXX, a, b, c, d and e, XXXI, XXXII, XXXV, and XXXVI, a, by B. H. Walden. TWENTY-FOURTH REPORT OF THE State Entomologist of Connecticut To the Director and Board of Control of the Connecticut Agricultural Experiment Station. I have the honor to transmit, herewith, my twenty-fourth annual report as State Entomologist of Connecticut. As in preceding years, the report covers the activities of the Department of Entomology, as regards both the control and inspection work provided for by Statute, and the various lines of research which after all more properly represent the type of effort for which Agricultural Experiment Stations were established. Respectfully submitted, W. E. BRITTON, State and Station Entomologist. INSECT PEST ACCOUNT. REPORT OF RECEIPTS AND EXPENDITURES OF THE STATE ENTOMOLOGIST From July 1, 1923 to June 30, 1924. Less miscellaneous receipts deposited with State Treasurer 600.64 $15,790.10 Memorandum.-This account has been audited by the State Auditors of Public Accounts and the balance returned to the State Treasurer. SUMMARY OF INSPECTION AND OFFICE WORK. 337 samples of insects received for identification. 122 nurseries inspected. 118 regular certificates granted. 5 special raspberry certificates granted. 116 duplicate certificates furnished to be filed in other states. 109 parcels of nursery stock inspected and certified. 953 bales of mountain laurel and willow (21 trips) inspected and certified for shipment into New York. 49 orchards and gardens examined. 33 shipments, containing 313 cases, 3,489,170 plants, imported nursery stock inspected. 17 shipments, or 51 per cent. found infested with insects or fungi. 953 apiaries, containing 8,929 colonies inspected. 17 apiaries and 47 colonies found infested with European foul brood. 10 apiaries and 20 colonies found infested with American foul brood. 2,265 letters written on official work. 456 circular letters. 591 post cards. 46 reports to Federal Horticultural Board. 2,303 bulletins, etc., mailed on request or to answer inquiries. 70 packages sent by mail or express. 38 lectures and addresses at institutes, granges and other meetings. PUBLICATIONS OF THE ENTOMOLOGICAL DEPARTMENT, By W. E. BRITTON: 1924. Twenty-third Report of the State Entomologist of Connecticut (Bulletin 256), 96 pages, 8 figures, 16 plates; 10,500 copies distributed in July. Inspection of Nurseries in 1923, 8 pages, reprinted from the Report. The Apple and Thorn Skeletonizer, Bulletin of Immediate Information 39, May 17. Spraying Shade Trees, Bulletin of Immediate Information 40, May 20. The Apple Maggot or Railroad Worm, Bulletin of Immediate Information 43, June 16. The Gipsy Moth Quarantine, Bulletin of Immediate Information 44, 4 pages, July 15. Report of Committee on Injurious Insects, Proceedings 33rd Annual Meeting Connecticut Pomological Society, page 41, 1924. Some Insects to be Combatted Next Season, Proceedings 33rd Annual The Gipsy Moth and Our Forests, New England Farms, June 21, 1924. Connecticut Tree Workers' Institute, Florists' Exchange, Vol. LVII, page 890, March 22, 1924. Proceedings Shade Tree Conference, Florists' Exchange, Vol. LVIII, page 703, September 6, 1924 (also a four-page reprint). Some Insect Information from a Connecticut Conference, Florists' Exchange, Vol. LVIII, Supplement Page A, November 29, 1924. Meeting of Connecticut Entomologists, Journal of Economic Entomology, Vol. 17, page 669, December, 1924. BY W. E. BRITTON, PHILIP GARMAN, G. P. CLINTON and E. M. STODDARD: Information about Insecticides and Fungicides, Bulletin of Immediate Information 30, March 26. Why and How to Spray, Bulletin of Immediate Information 31, March 28. BY W. E. BRITTON AND PHILIP GARMAN: Dormant Sprays for Orchard Pests, Bulletin of Immediate Information 29, March 22. BY W. E. Britton, G. P. CLINTON and W. O. FILLEY: Tree Workers Holding Connecticut Certificates, Bulletin of Immediate Information 35, 4 pages, April 25. BY W. E. BRITTON AND R. C. BOTSFORD: Mosquitoes and Human Welfare by W. E. Britton, and Mosquito Control Work, Season of 1923 by R. C. Botsford, 16 pages, 2 plates (1,000 copies reprinted from Report), June 24. BY PHILIP GARMAN: The European Red Mite, Bulletin 252, 25 pages, 2 figures, 2 charts, 4 plates; 10,600 copies, February 1924. Control of European Red Mite in Connecticut, Proceedings, 33rd Annual Meeting, Connecticut Pomological Society, page 44, 1924. The Oriental Peach Moth, Bulletin of Immediate Information 41, May 20. Factors Influencing the Effectiveness of Arsenate of Lead, Florists' Exchange, Vol. LVIII, page 685, September 6. BY B. H. WALDEN: The Raspberry Fruit Worm, Bulletin 251, 11 pages, 1 figure, 4 plates; 10,600 copies, February 1924. The Raspberry Fruit Worm, Proceedings, 33rd Annual Meeting, Connecticut Pomological Society, page 124, 1924. Spray for the Imported Currant Worm, Bulletin of Inmediate Information 34, April 21. BY M. P. ZAPPE AND E. M. STODDARD: Results of Dusting versus Spraying in Connecticut Apple and Peach Orchards in 1922, Crop Protection Digest, Bulletin Series No. 4, page 2, June 1924. The Calyx and Later Summer Sprays, Bulletin of Immediate Information 36, May 1. Peach Spraying, Bulletin of Immediate Information 37, May 3. Progress of Spraying and Dusting Experiments, Proceedings 33rd Annual Meeting Connecticut Pomological Society, page 52, 1924. |