RASPBERRY SAW-FLY. 343 



am not mistaken as to the identity of the insect, will enter fern- 

 eries and nibble the ferns and make considerable havoc among 

 the plants before its presence is suspected. 



This insect, which is likely to prove annoying, is the Otio- 

 rhynchus picipes of Fabricius (Fig. 8, enlarged). 

 The body is pitchy brown, and covered with 

 microscopic, pale scales, resembling a scallop 

 shell, being marked with a few prominent ribs. 

 Indeed, many of the weevils seem to be pro- 

 vided with scales like those of butterflies, Po- 

 duras, and a few other insects. The beak, so 

 short and slender in the radish weevil, is here 

 broad and short, square at the end, from 

 which the elbowed reddish-brown antennas piuhy-lllgh weevu. 

 arise. The head is a little darker than the rest of the body, 

 and is coarsely punctured. The prothorax is coarsely granu- 

 lated, the granulations being arranged in irregular rows. The 

 wing-covers are adorned with about eleven high, rounded, lon- 

 gitudinal ridges on each cover, and with coarse punctures along 

 the furrows between them. There are also about twenty rows 

 of pale dots along the wing-covers, consisting of scales. The 

 legs, including the claws, are rather paler than the rest of the 

 body. The body is also covered with scattered pale hairs bent 

 down on the surface, especially on the top of the head ; these 

 hairs remain after the scales are rubbed off. It is a quarter of 

 an inch in length. 



INSECTS INJURING THE RASPBERRY. 



The Raspberry Saw-Fly. — In an article contributed to the 

 report of the Board of Agriculture for 1870, and entitled " In- 

 jurious Insects new and little known," I incorrectly stated that 

 a little beetle, the Byturus unicolor, ate holes in the leaves of 

 the raspberry, as well as the flowers. Mr. F. W. Putnam has 

 since drawn my attention to the fact, which my own observations 

 have corroborated, that two insects produce the mischief: the 

 beetle eating the fruit-buds and flowers, while the injuries to 

 the leaves are caused by the larva of a saw-fly — the Selandria 

 rubi of Harris (Fig. 9, and larva, both enlarged), who first no- 

 ticed it in 1845. 



