74 ENTOMOLOGICAL SOCIETY OF ONTARIO. 



stripe on each reaching from the shoulder to beyond the middle, and crossed by a black 

 band so as to form a cross. In the female they may have the same pattern, only the yel- 

 lowish stripes are larger, or the elytra may be yellowish with a narrow black rim and a 

 band across the middle. Under surface of male, and most of legs, black ; under surface 

 of female and legs mostly yellowish. 



28. Goes pulverulentus, Hald. — This beetle has been recorded by Dr. Horn as very 

 destructive to living beech trees, in the larger branches of which it bores tunnels several 

 inches in length. It may, therefore, be considered one of the most injurious insects infest- 

 ing this tree, and, as I have previously recorded (Ann. Kept., xiv p. 48), there is little 

 doubt that it also inhabits the hickory. It is a rather large beetle, and in shape closely 

 resemblirig the female of the common pine-borer, Monohammtis confusor, Kirby, the smaller 

 specimens of which it equals in size. Length from three-quarters of an inch to about an 

 inch ; antennas slender and slightly longer than body ; thorax cylindrical, with a 3harp 

 spine on each side ; elytra wider than thorax ; legs moderately long and stout ; colour 

 brownish, but having a hoary appearance, especially beneath, from short white pubescence. 



29. Acanthoderes quadrigibbus. Say. — This species has been recorded by Mr. Schwarz 

 as boring in the dry twigs of beech and oak. It is a pretty little beetle, quite different in 

 shape from the preceding. Its length is about three-Sfths of an inch, and it is rather 

 broad and flattened in proportion to its length ; thorax tuberculate above : legs short ; 

 the thighs rather stout ; elytra with mottled whitish and brownish pubescence and with 

 a sinuate whitish band before the middle. 



30. Leptostylus macula, Say. — This species which infests the butternut and chestnut 

 has also been observed by Mr. Chittenden to inhabit the beech. I have found it upon 

 butternut, maple and balm-of-gilead, but more frequently upon hickory. It does not 

 differ very greatly in appearance from the preceding beetle, but is smaller and less tuber- 

 culate. Individuals vary in length from one-fifth to three-eights of an inch, 

 colour brownish ; thorax with a white stripe on each side, bordered above by an interrupted 

 brown line ; legs banded with white and brown ; elytra coarsely punctured and imaculate 

 with brown spots, and banded with white behind the middle ; antennas long and slender . 



31. Hoplosia nubila, Lee. — This species, according to Mr. Schwarz, also bores in the 

 twigs of beech. It is longer and narrower than the preceding insect. Length three- 

 eights to one-half of an inch ; thorax with lateral spines ; antennas longer than body and 

 slender ; elytra longer and almost parallel sided, truncate at tips instead of rounded : 

 colour brown, with mottling of whitish pubescence, giving a spotted appearance, and 

 leaving irregular bands on the elytra. 



Rhipiphorid.e. 



32. Pelecotoma flavipes, Melsh. — A small, slender beetle which on one occasion I 

 found quite abundantly on an old beech tree. As the members of this family are parasitic 

 in their habits, it may probably be considered as a beneficial species, preying perhaps, upon 

 some of the inhabitants of the tree. 



Otiorhynchid^:. 



33. Pandeletegus hilaris, Hbst. — This beetle belongs to a family of weevils, or snout- 

 beetles, which contains some well-known injurious insects. Harris records it as boring in 

 oak, and occurring on all trees from May to September ; while Mr. Chittenden notes it 

 as common upon the beech. I have not found it at Ottawa yet, but have received speci- 

 mens from Mr. Johnston, of Hamilton. It is quite small, being only from one-eighth to 

 one-fifth of an inch long ; colour pale-brown, with some greyish and black stripes ; beak 

 short and broad ; thorax coarsely granulose ; elytra with rows of deep punctures. 



