does uot kill the lice, wbile a stroug solntiou lujures the cabbages. The 

 emulsion, however, is recommended for lice uj^on stock, while for sheep 

 scab it is also a most excellent remedy. Under the head of general 

 recommendations, remedies are given for the Willow Saw-fly, Cotton- 

 wood Leaf-beetle, Plant-lice, Cut-worms, Cecropia Moth, Tent Cater- 

 pillar, Ash Borer and Potato Beetle. 



ROSE SAW-FLIES IN THE UNITED STATES. 



By C. y. RiLEV. 

 THE BRISTLY ROSE-WORM. 



{('ladiiis pectinicornis Fourcr. ) 







Fig. \ .—Cladius pectinieornis ; a, larva; ft, female pupa ; c, female adult; d. cocoon; e, heart of larva; 

 /, aQtenna of male— all enlarged (original). 



In 1880 I noticed that most of the leaves of the lYtses in my gardeu 

 were badly eaten and mutilated, and, on examination, found that the 

 insects which had been doing this damage were the larvue of a saw-fly 

 which differed from those of the common Rose Saw-fly {Monostef/ia [Sel- 

 andria] roscv Harris). They were watched until pupation, and the flies 

 which emerged in spring ])roved to be identical with another of Harris's 

 species, Cladius isomera* which was redescribed by Xorton in the 

 Transactions of the American Entomological Society, Philadelphia, 

 1870, (pp. 74-75). Mr. Norton, at the end of his description, states that 

 a number of the flies Avere taken by him June 20 on Clematis virfiiniana^ 

 near Farmington, Conn., without, however, intimating that this may be 

 the food-plant of the species. Comparison of the description and speci- 



'^Harris, Catalogue. Nortou, Bostou Proc, viii, 1881, 223. 



