








MONTHLY LETTER OCF THE BUREAU OF ENTOMOLOGY. | S 
UU. S DEPARTMENT OF AGRICULTURE, oS 
ADDITIONAL NOTE ON LABELING PARASITES, = 
e 
Mr. Harry S. Smith, of Sacramento, Cal., noting my suggestion in 
the last Monthly Letter in regard to labeling of parasites, suggests 
cnet where oné is not absolutely certain of the host the label should 
be qualified in some way. He has adopted the plan of using the word 
"material. * For example, if he has a box of scale insects of a cer- 
“tain species and rears parasites from it, he labels the parasites, 
say, "From Saissetia oleae material." There are so many times a few 
individuals of some other species present but not visible that this 
is frequently a cause of erroneous records, and such a label as sug- 
pent ct immediately puts the parasitologist on his guard, 
sy Among the visitors at the Bureau during the month were, Edw. D. 
Harris, of Massachusetts, son of Thaddeus W. Harris, and B. 0. Green,. 
formerly of the Bureau of Plant Industry but now in charge of the 
_Sotton work of the Brazilian Government. 
LIBRARY, 
Miss Mabel Colcord, Librarian. 
By gee NEW BOOKS, 
- Ausschusses Zur bekampfung der dasselplage. Mitteilungen 1-6. 
& Berlin, 1912-1914, 
British Columbia entomological society. Proceedings, new series. 
Nos. 5, 6 and 7. Vistoria, B.d,, 1915. 
4 




Gt. Wat Board of Agriculture and fisheries. Miscellaneous 
publication no. 4. Poultry and bees; their breeding and man- 
agement. London, 1914. 104 p, 
“ERVITT, C. G. Observations on the feeding. habits of the stable 
fly, Stomoxys caleitrans L. (Royal society. Canada. Trans. 
ser,5, vol, 8, sec, 4, p. 37-42, 1 PrBse 1 table. Ottawa, 
. 1914) 
\f “Enso, JAMES A, The embryology of the honey bee. Princeton, 
1915. Z8ep. illus., plates. Bibliography: p. 265-272, 
"PEARCE, E. K. Typical flies, Cambridge, 1915. 47, iAdus, 
Postal laws and regulations applying to the rural mail service. 
1915, 144p. 16cm. 

