116 NEW YORK STATE MUSEUM 
Chinese praying mantis, Tenodera sinensis Saussure. It 
is interesting in connection with the above to note that this large 
species has already become established in New York city and its 
vicinity, as stated by Mr L. H. Joutel. 
This insect was first brought prominently to the attention of 
American entomologists in 1898 by Philip Laurent publishing 
‘a brief notice of its occurrence in the vicinity of Philadelphia in 
the issue of the Entomological News for June. In a later issue 
Mr Laurent states that he received the first specimen from Mr 
Mehan of the firm of Thomas Mehan & Sons in 1896. Later re- 
ports state that the insect has become well established in Phila- 
delphia and apparently is able to hold its own in that climate. It 
appears to be thriving in the vicinity of New York city and may 
prove to be a valuable addition to our fauna, since it preys on 
other insects, and can hardly be otherwise than beneficial. 
IMPORTANCE OF INJURIOUS INSECTS INTRODUCED 
FROM ABROAD’ — 
One can not help being interested in the sources of our troubles; 
and the writer recently had occasion to look up some of the facts 
concerning introduced species, which, though they are well known, 
are worthy of further emphasis. It is generally conceded that 
some of our most troublesome insect pests are those which have 
made their way to us from abread, and, while this is accepted as 
an authentic statement, iis impertance is not fully realized. The 
depredations of these introduced species are becoming more and 
more apparent, and the present indications are that in the 
future even more strenuous efforts must be made to subdue some 
of these insects. Let us glance briefly at the conditions in several 
portions of our country. 
The commonwealth of Massachusetts now has within its borders 
two exceedingly injurious insects, which are bound sooner or later 
to make their way over a considerable portion of the United 
States. That commonwealth made a determined effort to ex: 
terminate the gipsy moth, Porthetria dispar Linn., and 
after the expenditure of over one million dollars abandoned the 


1 Read before the Society for the Promotion of Agricultural Science at its meeting held in| Wash- 
ington D. C. Dec. 29. 1902. * 
