200 RHYNCHOLUS SP. 
Relations to the Forest. 
The information on the life history of this beetle is at 
present too meagre to enable its relation to the trees it attacks 
t» be definitely stated. That it is capable of swarming in large 
numbers has been ascertained, and the value of the wood 
‘attacked is considerably diminished by the tunnelling work of 
the insect. Whether, however, the injury it is capable of doing 
is confined to this or no, I am unable to say. It is often to be 
found in company with the Hy/astes sp. described below. 
Points in the life history of the insect requiring further 
observation. 
. How the eggs are laid and when and how the larva 
feeds. 
Length of time spent in the larval and pupal stages. 
3. What becomes of the mother beetle after laying her 
eggs ? 
4. The number of generations passed through by the 
insect in the year. 
5. Does the beetle confine itself to attacking dead wood, 
and does it infest other trees than blue pine and 
= 
& 
spruce ? 
Rhyncholus sp.in deda r. 
Note.—At the end of June I obtained some specimens of a Rhyncholus 
probably closely allied to, if not the same insect as, the above. It was 
discovered boring into the wood of a newly felled deodar tree in company 
with a species of Platytode. 
