THE MONTHLY BULLETIN. 321 



QUARANTINE 2 «.S DIVISION 



Report for the Month of April, 1917. 



By Frederick Maskew. 



Coming from practically every quarter of the globe outside of continental United 

 States. 151 vessels arrived at the port of San Francisco during the first four months 

 of this year, bringing with them a total of 12,555 passengers. In executing the 

 provisions of the federal and state horticultural quarantine regulations, the inspectors 

 intercepted 3,440 parcels of plant products in the personal belongings of these same 

 passengers and the crews of the vessels in which they arrived. Out of these the 

 contents of 537 parcels— or a little over 15 per cent of the total— were refused 

 admittance into the state, and either with or without the consent of the owners were 

 ultimately destroyed. Among the various contents of these 537 parcels that were 

 destroyed were Eound live larvse of the Mediterranean fruit fly in mangoes and coffee 

 berries; larva; of the melon By in cucumhers; boll weevils in cotton bolls; fungous 

 diseases on citrus fruit; citrus budding wood from canker regions; mealy bugs on 

 ornamental plants; scale insects of many forms; borers in sugar cane; moth larva; 

 in dried fruits; aphids on vegetables, and live grubs to be taken as medicine. 



SAN FRANCISCO STATION. 



Steamship and baggage inspection: 



Ships inspected . C °J 



Passengers arriving from fruit fly ports 4,b/4 



Horticultural imports: Parcels 



Passed as free from pests 18 1'aq<> 



Fumigated & >JiS 



Refused admittance ""' 



Contraband destroyed _ 



Total parcels horticultural imports for the month 186, 9S4 



Pests Intercepted. 

 From China: 



Larva' of weevil In sweet potatoes. 



From Connecticut: 



Pseudococcus sp. and Aphis sp. on greenhouse plants 



From Costa Rica: 



Pseudococcus sp. on orchids. 



From Hawaiian Territory: 



Diaspia broviclirr and Pseudococcus bromelie on pineapples. 

 Coccus longulus on betel leaves. 

 Pseudococcus sp. on green cocoanuts. 

 Trypetid larva; in coffee berries. 



From Japan: 



Fungus on citrus fruits. 



Larva; of weevil in sweet potato s. 



From Manila: 



Pseudococcus sp. nn rubber plants. 

 Larvae of borers in orchids. 



From Massachusetts: 



Diaspis boisduvalii on orchids. 



From New South Wales: 

 Calandra sp. In maize. 



From Pennsylvania: 



Chrysomphalus aonidum on Ficus sp. 



