EXPERIMENT STATION REPORT. 531 



.oorer, the vmpei'ialis caterpillar, tlie to moth, the cynihm moth on 

 Ailanihus, a small larva on the leaves of tulip trees, an unde- 

 termined caterpillar on oliestnut, the Sphinx larvae on tomatoes, the 

 inclusa caterpillars on poplar, the wood leopard moth and the 

 Tussock moths. 



Among the Henhlptera or true bugs other than the plant lice 

 were spittle insects, Aphrophora pwalUla., on pine, the various 

 ■orchard and shade tree scales, and Thripids on peach and on green- 

 house plants. On the latter, bj the bye, cold water was applied 

 with g(3od results. 



Among the Hynhenopterat were ants of several species infesting 

 lawns and injured trees, some oak galls and the Pigeon Tremex. 



Among the Diptera or flies were the Hessian fly, the wheat stenl 

 maggot and certain fungus gnats. 



7 ns&ctieides and their action continued to form one of the sub- 

 jects to which attention was directed, and a considerable number 

 of direct ex]>eriments were made under supervision of the Ento>- 

 mologist, and a much greater number of what may be called field 

 trials by practical fruit growers and fanners were carefully ob- 

 served as to methods of application and results. These observa- 

 tions are reported upon, partly under the general head of Insecti- 

 cides and partly in the record of observations made on the root 

 maggots. 



Owing in part to ill-health, the Entomologist was accorded a long 

 vacation so that the practical work of carrying out the planned 

 experiments and the making of records of results fell largely upon 

 Mr. E. L. Dickerson, assistant to the State Entomologist, who is 

 •credited in the body of the report with the specific worked looked 

 after by him. 



No bulletins were issued during the year from the date of the 

 last report, but, as already stated, material is in hand for an essay 

 on Root Maggots. Miss A. Ei. Meske is still ofiice assistant and 

 >tenographer, and, with Mr. Dickerson on the staft" of the State 

 Entomologist, whose report is made to the State Board of Agricul- 

 ture. 



The equipment of the department has been fully kept up, and 

 minor additions nre constantly made as they are l)rought to our 

 attention. The collectious have increased in extent and variety, 

 and further boxes have been prepared for the State Museum at 



