830 
ANNUAL REPORT OF NEW YORK 
2. 1HB LOCUST .—llobinia Psendacacia. 
AFFECTING THE TRUNK AND LIMBS. 
329. Locdst-trkk borer, Clijtus Iiobinicc , Forster. (Coleoptera. Ccrainbycidas.) 
Boring a hole nearly a quarter of an inch iir diameter, beneath the hark 
and more or less deeply into the wood, usually in an upward direction ; 
ejecting its chips and worm-dust through an orifice in the bark; a yellowish 
white worm similar in its appearance to the Oak pruner, $305 ; passing its 
pupa state in its burrow, and beginning to be seen abroad soon after the 
middle of August, and often seen during the autumn on Golden rod and 
other flowers; a black nearly cylindrical long-horned beetle from a half to 
three-fourths of an inch long, its legs and sometimes its antennae tawny 
yellow, its globular thorax and its wing-covers ornamented with several 
bright lemon-yellow bands, of which the second one back of the base of the 
wing-covers forms a letter W. 
This is a common insect, and the greatest obstacle to the cultivation of 
the locust-tree with which wo have to contend. An instance of the devas¬ 
tation it is liable to cause may here be recorded. One of the principal 
thoroughfares leading east from the city of Utica, was formerly planted on 
its south side for some distance with locust-trees. These had become so 
large and ornamental as to render this one of the most admired avenues in 
the suburbs of that city, when, some thirty years since, these trees were 
invaded by this insect, to such an extent that in the course of two or three 
seasons they were totally ruined, many of them being killed outright and 
the remainder having their limbs and branches so lopped off that they could 
never recover from the deformity. We learn from Micheaux that fifty 
years since, this insect had become so destructive that many in different 
parts of our country were discouraged from planting the locust. Hitherto 
it appears to have been a pest chiefly in the older settled sections of our 
country. But it will no doubt in time show itself equally destructive in 
the newer districts. And in those parts of the western States where, to 
supply in some measure the natural deficiency of wood and timber, planta¬ 
tions of the locust are extensively made, it will probably yet prove to be a 
greater evil than it has ever hitherto been. 
This insect abounds in all parts of the United States. A recent writer, 
in one of our agricultural periodicals, says it has not yet made its appear¬ 
ance on the west side of the Mississippi river ; but from the number of 
specimens sent me year after year, by Wm. S. Robertson, from the Indian 
territory west of the State of Arkansas, it would appear to be more com¬ 
mon there than in this section of the country. And it in all probability 
occurs over all that portion of our continent in which the locust grows. 
