21 
of these countries; and were causing incalculable losses to 
agriculture; therefore, be it 
Resolved, that the following memorandum of the conspicu- 
ously important services of Mr. Koebele be placed on record 
with this testimonial of the society’s high appreciation of his 
merit and belief in the worthiness of his claim on the interest 
of the Government in his desire to return to the land of his 
adoption and to his home in the State of California. 
MEMORANDUM OF KOEBELE’S SERVICES TO AMERICAN 
AGRICULTURE. 
1888-9. As agent for the U. S. Department of Agricul- 
ture and for the State of California. Introduced the Vedalia 
ladybird from Australia and saved the citrus industry in Cali- 
fornia, which was threatened by the cottony cushion scale. 
This single exploit saved the orange growers, it is estimated, 
twenty million dollars. 
1890-93. In the same capacity. Visited Australia, New 
Zealand and the Fiji Islands twice and secured many bene- 
ficial insects, principally ladybird beetles which were introduced 
into California to prey on scale pests. 
1893-1910. Traveled in different countries in the interest 
of the Republic and later the Territory of Hawaii as Superin- 
tendent of the Division of Entomology, Board of Agriculture 
and Forestry and consulting entomologist, collecting beneficial 
insects to be introduced into the islands for the purpose of 
destroying injurious insects, thus relieving agricultural and 
horticultural industries of the severe losses so occasioned. In 
these years he visited Ceylon, Australia, Fiji, China, Japan, 
Mexico and Europe. His great work—discovering and intro- 
ducing the natural enemies of the sugar cane leaf hopper—in 
co-operation with Dr. R. C. L. Perkins, earned him lasting 
fame in the Territory of Hawaii, and saved an industry now 
worth fifty million dollars yearly. 
In 1910 Koebele was relieved from active duty and retained 
as Consulting Entomologist, on account of ill-health brought 
on by fever contracted during his exploration and research 
work in fever-infested regions of the tropics. 
The following detailed account of Koebele’s work was pub- 
