160 INSECTS INJURIOUS TO FOREST AND SHADE TREES. 
black, its thorax hairy, and as broad as the wing-covers, with the sides strongly 
rounded and above on each side of the middle a little round hollow spot, and its wing- 
covers rough from close shallow punctures. (Fitch.) 
Dr. Harris regarded this as identical with the European C. violaceum, 
deeming the latter to have been probably introduced into Europe from 
this country. (Treatise, page 88.) But entomologists now consider the 
insects of the two continents to be distinct species. Ours, doubtless, 
has the same habits with that of Europe, the larva living in the trunks 
of pines, excavating a wavy shallow track under the bark, which is 
packed full of sawdust, and when almost fully grown, sinking itself 
obliquely downwards several inches into the wood, to repose during its 
pupa state. 
Specimens occur in which the thorax is plainly narrower than the 
wing-covers, more distinctly punctured, and destitute of the two im- 
pressed spots. These are the violet-colored Callidium, C. janthinum of 
Dr. Leconte and of Dejean’s Catalogue. But individuals appear to 
occur of all intermediate varieties, and I am therefore inclined to think 
they can searcely be regarded as constituting two distinet species. 
(Fitch.) 
We have observed this in considerable numbers under pine boards, 
and also flying, at Brunswick, Me., in the middle of May. Mr. George 
Hunt has observed it in pine trees at Providence, R. I. We found at 
Providence, May 14, a dozen or more individuals under the bark of a 
dead Juniperus virginiana. The track made by the larva, as we sup- 
posed it must have been of this insect, was irregularly wavy, like that 
of other longicorn grubs, and filled compactly with a fine dust, its cast- 
ings; it was shallow and 4 or 5 inches long. Whether it was made 
before the death of the tree is unknown, but the work of this and its 
fellows had loosened the bark, several larvee having been at work to- 
gether. 
25. THE PORTER HYLOTRUPES. 
Hylotrupes bajulus Linneus. 
Order COLEOPTERA; family CERAMBYCID. 
A beetle very similar to the preceding in its shape and habits, appearing in July 
and August, 0.45 to 0.75 long, of a black color, its thorax nearly circular and clothed 
with white hairs, with a smooth polished black line in its center, and a callous-like 
spot on each side of it, and its wing-covers with very coarse, shallow confluent pune- 
tures and some downy whitish spots, forming two irregular bands near the middle, 
This species is supposed to have been introduced in its larva state in 
timber from Europe, and is found in our country only near the sea-coast. 
(Harris’s Treatise, page 88.) 
26. THE LESSER PRIONUS. 
Orthosoma brunneum De Geer. 
Order COLEOPTERA ; family CERAMBYCID. 
A flattened long-horned beetle, 1.00 to 1.30 long, and less than a third as broad, with 
its opposite sides parallel, its thorax twice as broad as long, and with three sharp 
