34 



U. S. Experimental Plaiiti)ii^, Xiiuauit J\ilh-y. 



The two men employed have been hoeing- and clearing' away 

 the dense growth of Hilo grass from the trees. Owing to the 

 vigorous growth of the Hilo grass in Niuianu \'alley the work 

 of keeping it in check is no small matter, and the two men are 

 kept busy doing the work. 



Respect full}- sul)miUed, 



D.wiD Haughs, 



Forest Nurservman. 



DIMSIOX OF ENTOMOLOGY. 



Honolulu. December 31, 1911. 



Honorable Board of Commissioners of Agriculture and I'orcstrv, 

 Honolulu. T. H. 



Gentlemen: — I respectfully subniit my report of the work of 

 the Division of Entomology for the month of Deceember, as 

 follov/s : 



During the month, we boarded 32 vessels and found vegetable 

 matter on 18 of them. Careful insoection was made with the 

 following results : 



Disposal z\.'ith principal causes. Lots. Parcels. 



Passed as free from pests 949 Jl.'Hl 



Fumigated before releasing 36 842 



Hurned ' 38 496 



Total inspected 1.023 23.279 



Rice Sliipnieiils. 



Si.xteen thousand two lumdred and lifl\-t]u-ee bags of rice ar- 

 rived during the month, and being found free from insect i)ests 

 was permitted to enter the Territory. 



One .shipment of moulding sand for the iron Works arrived 

 on the Rithct and after inspection was jiassed. 



Pests luiercepted. 



Three large consignments of plants came on the .*>i])eria from 

 Japan, and among the lot we destroyed by burning all the orange 

 trees, about 350, as they were badly infested with the white fiy. 

 Aloyrodcs citri, the blister fungus Cladosporiinii citri. and a se- 

 rious leaf miner. r)n some plum trees we found the white i)each 

 scale, Anlpacaspis pcntat^ona, and a lichen which appears to be 

 a serifHis j)e.st and would raise havoc with trees here if ever in- 

 troduced. All soil around the plants was removed, as we have 



