322 
Carbonic Acid 
Silica ... 
-Calcium Phosphate 
; Calcium Carbonate 
i-95 
o.io 
S4.90 
443 
A CASTILLO A BORER. 
Among some young trees of Castilloa elastic, about 15 
in the Botanic Gardens Singapore, was one in which the P 
and dried completely up. On breaking this dead portion up £ 
found to contain grubs and an adult beetle, belong! g , * 
of Longicornia which includes some of the most destrnc ve bo ers 
in timber. The beetle, appears to be Efiefiseotes /» » .<> « * 
distribution in the Eastern Archipelago 1 he r b ? s,e * h " d 
arown about an inch and a half long, legless white, with a hard 
horny brown head, quite similar to the larvae of other longicorn . 
burrows in the wood of the Castilloa near the pit nTYorlf also 
vertically up or down the stem, bnt I found traces of Us work aUo 
in the central pith of the younger part of the tree The p I t 
beetle is three quarters to an inch long and about i.nqh wide 
across the back. The antennae, li inch long and s enden The 
lowest joint globular, and sunk in a raised socket. Fhc next join 
dilated upwards, rather thick. The remaining nine joints are more 
slender, and all but the terminal one thickened at the tip. 1 ihtw 
are black with line greyish fur. The head is broad and short mottled 
grey, with patches ofyellow fur round the eyes and on the cheeks 
and neck The eyes are large semicircular surrounding the base 
ofthemrten nae, black, with a lery red glint. The thorax is rounded 
and margined rather short, grey with a central vertmal bar o 5 
fur and a row of spots of yellow fur on each side. I here is a shor 
blunt process on "each sfde. The elytra are oblong about | me 
loiw, blunt and slightly excavate at the tips brown mottled ■ ""P 
yellow, and punctate all over: 0,1 each shoulder is a round black 
velvety spot. The scutellum is serai-ovate, yellow. F ,? j " t, 
. side of the body is covered with very tine fawn-coloured down. 
The legs are rather long and grey. 
The beetle appears to fly by night as many of . 
do 1 have taken it at rest in the day time on the leaves of the 
Castilloa, and in the morning have found it on the roads and wall. 
It is evidently a common insect here and does not c °"^ e ' tb a 
to CastiUoas but at present I have not traced it tc .any other tree 
One tree which had been attacked was saved by passinga wire 
down the hole made by the beetle grub, and pouring Jeye s Am 
down it. This brought all the grubs out, and the tree recovered. 
H. N. RIDLEY, 
