114 
COLEOPTERA. 
middle, and thickened a little at each end. The head is 
proportionally larger than in the other borers ; the first three 
rings of the body are short, the second being the widest, and 
each of them is pro\dded beneath with a pair of minute 
sharp-pointed warts or imperfect legs ; the remaining rings 
are smooth, and Avithout tubercles or rasps; the last three 
are rather thicker than those Avhich immediately precede 
them, and the tAvelfth ring is very obtusely rounded at the 
end. The beetles from these borers are A^erv slender, and 
of a cylindrical foim, and their antennae are of moderate 
length and do not taper much towards the end. 
The species Avhich attacks the blackberiy appears to be the. 
Fig 51 Super da ( Ohered) tripunctata of Fabricius (Fig. 
51). It is of a deep black color, except the 
¥ fore part of the breast and the top of the tho¬ 
rax, Avhich are rusty yellow, and there are two 
black eleA^ated dots on the middle of the thorax, 
and a third dot on the hinder edge close to the 
scutel; the wing-covers are coarsely punctured, 
in rows on the top, and irregularly on the sides and tips, 
each of which is slightly notched and ends with two little 
points. The two black dots on the middle of the thorax are 
sometimes Avantino;. This beetle A-aries from three tenths 
to half an inch in lencrth. It finishes its transformations 
O 
toAvards the end of July, and lays its eggs early in August, 
one by one, on the stems of the blackberry and raspberry, 
near a leaf or small tAAug. The grubs burroAv directly into 
the pith, Avhich they consume as they proceed, so that the 
stem, for the distance of several inches, is completely 
depriA^ed of its pith, and consequently Avithers and dies 
before the end of the summer. In Europe one of these 
slender Saperdas attacks the hazel-bush, and another the 
tAvigs of the pear-tree, in the same Avay. 
The Lepturians, or Lepturad^, constitute the third fam¬ 
ily of the Capricorn-beetles. In most of them the body is 
narroAved behind, Avhich is the origin of the name applied 
