28 INSECTS INJURIOUS TO FOREST AND SHADE TREES. 
Pupa.—Prothorax well rounded as in Clytus beetles; antenne slender, curving 
backwards, and reaching to the distal end of the middle femora. Femora much swol- 
len, but the legs beyond slender, as in the beetle. (It will not be difficult to distin- 
guish the genus from the peculiar form of the thorax, the swollen femora, and the 
slender legs and antennz.) Abdomen short; end of hind femora extending to the 
third segment from the end of the abdomen. Length, 12-13}™™, 
14. SMODICUM CUCUJIFORME (Say). 
Order COLEOPTERA; family CERAMBYCID#. 
Boring in the larval stage under the dry bark of the live oak (Florida), the beech 
in Michigan, and the hackberry in Texas. (E. A. Schwarz. ) 
15. THE HORN-TAIL BORER. 
T remex columba (Linn:eus). 
Order HYMENOPTERA ; family UROCERID®. 
This insect is known to infest the oak, but oftener bores into the maple, under 
which head the insect will be deseribed. 
16. MALLODON DASYSTOMUS (Say). 
Order COLEOPTERA; family CERAMBYCID®. 
; y 
Boring in live oak, hackberry, pecan; attacking trees in healthy condition, and 
often greatly injuring them, but preferring trees which have already suffered from 
some cause; the beetle issuing from April till August, in Florida and Texas. (E. A. 
Schwarz. ) 
17. MALLODON MELANOPUS (Linn.). 
Boring in the box elder (Acer negundo) in Texas, and boring in the roots of oak 
shrubs at Cedar Keys, Fla., the beetle appearing in June; boring in Celtis texana, near 
Columbus, Texas. (E. A. Schwarz.) 
18. THE OAK-BARK WEEVIL. 
Magdalis olyra (Herbst). 
Order COLEOPTERA ; family CURCULIONID®. 
Boring under the bark of the oak, probably after it has been loosened by the flat- 
headed borers, a curved fat footless grub, with the head freer from the body than in the 
larval pine weevil; occurring in all stages under the bark in May, and probably pro- 
ducing a radiating track, as in Fig. 7; transforming into a black weevil with the sur- 
face of the body punctured, the thorax with a lateral tubercle on the front edge, while 
the tarsi are brown, with whitish hairs; } inch long. (Fig. 6). 
Fig. 7 represents the mines probably made by this weevil. The orig- 
inal specimen of the bark was taken from the same tree, as numerous 
individuals of the beetle occurred in different stages of growth, and no 
other weevils or Scolytide were present. The beetle which makes the 
burrow must have been a weevil by the shape of the burrow, which is 
long, narrow, and deep, being about four inches long. It will be seen 
by reference to the illustration that the parent weevil laid at least seven 
eggs in an opening in the bark; when the larva hatched they mined 
