INSECTS INJURIOUS TO THE BEECH. 129 
6. Tylonotus bimaculatus Hald. Under bark of white or paper birely, 
Northern New York. (G. Hunt.) 
7. Bellamira scalaris (Say). Beetle and pupa found under the bark of 
the yellow birch in July, Northern New York. (G. Hunt.) 
8. Cresus latitarsus Norton. Saw-fly. (Bred by Walsh. Trans. A. 
Ent. Soc.,i, 84.) 
9. The black-birch borer, Yiphidria attenuata Norton. Inhabits the 
black birch. Patton. (Can. Ent. XI, 15.) 
10. Tremex columba Linn. In yellow birch at Providence. 
11. Gastropacha americana Harris. On Betula lenta. (Lintner Contr., 
i, 193, iii, 154.) 
12. Brephos infans Moeschler. Lintner, Contr., iv. 
13-14. Telephorus cordinus and fravini occurred in Maine June 2, the 
former in coitu, on the leaves of Betula populifvlia. 
15. Callaphis betulella Walsh. Abundant in Illinois on Betula nigre. 
Proc. Ent. Soc. Phil., i, 301. 
16. The spruce leaf-hopper, Athysanus abietis Fitch. 
17. The butternut tingis; Tingis juglandis Fitch. 
18. Callipterus betule Koch? The birch aphis. 
9. Callipterus betulecolens Thomas. Saint-Louis, Mo. 
INSECTS INJURIOUS TO THE BEECH. 
(Fagus ferruginea.) 
1. THE BEECH SPAN-WORM. 
Hyperetis nyssaria Abbot. 
Order LEPIDOPTERA; family PHALH NID. 
Feeding on the leaves the middle of September, a dark brown span or Ppa nine 
worm, changing tv a beautiful delicate thin-winged moth. 
According to Mr. W. Saunders two larve were found by him on the 
beech, the 10th of September, in London, Canada. Two of them entered 
the chrysalis state on the 19th of September, having formed a rude case 
in which to secrete themselves by binding two leaves together with. 
threads of silk. Oneof them, he says, produced the imago on the 18th, 
the other on the 21st of May following. 
The caterpillar is dark brown, the body cylindrical andaninch long. Head medium 
sized, bilobed, dark brown, with the bluish-white lines in front. Body above dark 
brown, with a row of dull white dots on each side, one or two on each segment most 
prominent from fifth to eighth segments inclusive, less distinct towards each extrem- 
ity. On the posterior part of ninth segment are two rather prominent roundish 
black tubercles, with a few whitish streaks in front at their base. Terminal segment 
of a bluish tint, flattened and spreading. (Saunders.) 
The moth.—The moths of the genus Hyperetis have long rather narrow fore wings 
with the apex acute, bent on the outer edge, which is sinuous. The species is pale 
whitish ash, dusted over with black specks. On the fore wings is an inner curyed 
9 RIL 
