-178- 



Dibolia area infests the turnip by burrowing- in the leaf stems 

 (Comstock, Rep. U. S. Dept. Agric. p. 248. 1879). I also found 

 the insect on the leaves of Plantago ' 



Microrhopala vittata mines the leaves of golden rod (Harris, 

 Journ. Bost. Soc. Nat. Hist, i, p. 147). 



Odontota rubra mines the leaves of apple and linden; the 

 perfect insect may also be found on white birch, hornbeam, cherry, 

 juneberry {Ame/anchier) and Pyriis arbiitifoHa. O. nervosa I bred 

 from asters and Eiipatoriiivi ^ O. dorsalis mines the leaves of locust 

 and acacia. 



Physonota 7cn7p7i.nctata feeds on sunf\ower (Mona?-da Jisfii/a). 



Cassida bivittata, C. ?tigripes. — Both these species feed on the 

 sweet potato. 



Coptocycla g2ittata, C. aiirichalcea li\'e upon morning-glory 

 and sweet potato. C. elavata I bred from a species of nightshade 

 {^Solaniini). 



Chelyniorpha arg2is is also found on morning-glory and other 

 allied plants. 



Porphyraspis cyanea I found in considerable numbers on the 

 underside of the leaves of the palmetto at Enterprise, Fla. 



In a series of articles in " Societas Entomologica," Dr. A. 

 Troska gives the results of some very interesting experiments in 

 feeding Lepidopterous pupae, principally with sugar water. He 

 paints the wing cases and some other parts of the body, carefully 

 avoiding the stigmata, and attains unusually large and fine speci- 

 mens. Painting with oxide of silver just before development, re- 

 duces size and intensifies, while it narrows and defines the maculation. 

 The conclusion is that pupae take considerable nourishment by en- 

 dosmosis, and that varieties can be produced by experiment. 



It was also found that where the specimens experimented upon 

 were parasitized, the parasites resulting were remarkably fine and 

 large, with brilliant colors, and that they evidently benefitted by the 

 feedino- of the host. 



