yS New YORK State museUm 



Species still unrepresented 



Acer negundo L. Pinus divaricata (Ait.) Sudw. 



A. nigrum Michx. P. virginiana Mill 



Carya tomentosa Nutt. Populus balsamifera L. 



Fraxinus lanceolata Borck. Quercus macrocarpa Michx. 



Gleditsia triacanthos L. Tilia heterophylla Vent. 



Picea canadensis (Mill.) B. S. P. T. michauxii Nutt. 

 P. mariana (A4ill.) B. S. P. 



IV 

 REPORT OF THE STATE ENTOMOLOGIST 



The State Entomologist reports that the climatic conditions of 

 1907 have departed widely from those of normal years and, as a 

 result the development of animal and plant life was exceptionally 

 late. Warm weather finally came on very rapidly and all vegetation 

 grew at such a rate that insects appeared unable to inflict material 

 damage in many cases, consequently there has been an unusual 

 dearth of injurious outbreaks, particularly in the early part of the 

 year, and presumably due largely to this cause. An exceptional 

 event was the capture by Dr Theodore P. Bailey of this city, of two 

 specimens of the exceedingly rare Leucobrephos breph- 

 i d e s Walk ; the specimens were taken the last of April in St 

 Lawrence county and deposited in the State Museum. 



Fruit tree insects. The Sail Jose scale is one of the most serious 

 insect enemies of the horticulturist. The spread of earlier years 

 has continued^ and in places where very little effort has been made 

 to check its ravages, the scale has become extremely abundant and 

 in some instances at least, has practically ruined the crop. Our 

 experiments of earlier years show very clearly that a lime-sulfur 

 wash is thoroughly effective in destroying the scale as well as bene- 

 ficial in checking certain other insect pests and fungous diseases. 

 We have steadfastly insisted that it was wiser to use some such 

 material than to employ the more easily applied mineral oils or 

 preparations of the same, known as " soluble oils," because the 

 latter under certain conditions may seriously injure the trees. This 

 has been done in the face of a determined effort by interested parties 

 to introduce oils and oil preparations as the most available remedies 

 for San Jose scale. Despite the fact that these last named materials 

 are valuable under some conditions, it remains true that we must 

 still rely in large measure upon the lime-sulfur wash for the f 

 control of this pest. Our conservative recommendations, we be- 

 lieve, have deterred many from seriously injuring valuable orchards 

 by making injudicious use of the more dangerous oil preparations. 



