119 



in his conclusions that this species is injurious, although on one occa- 

 sion C. hyallnus was mentioned" "among predaceous insects" as nat- 

 ural enemies of the fluted scale {Icerya purchasi). 



A PLANT-BUG ATTACKING TURNIP, MUSTARD, AND SWEET POTATO. — 



December 1, 1902, Mr. F. W. Thurow, Harvester, Tex., sent num- 

 bers of adults and nymphs of Nezara virldula Linn, found attacking 

 turnip tops and mustard greens, killing some plants or causing their 

 leaves to turn yellow. The same bug 

 was stated to attack sweet potato. 



A MEALY-BUG ON PEANUTS. — So fcW 



insects are known as enemies of the 

 "goober," or peanut, that the follow- 

 ing note on the occurrence of Dacty- 

 lopim sp. on that esculent is of inter- 

 est. September 20, 1902, Mr. W. T. 

 Hubbell, Philo, Ohio, sent specimens 

 of peanuts taken from hills which 

 were more or less withered when 

 pulled up. He found a great many 

 with cottony patches where this meal}^- 

 bug had developed. At this time 

 most of the insects had disappeared. 

 Some of the larger nuts were dis- 

 colored, and our correspondent stated 

 that some were so badl}^ infested as 

 to rot. 



The SMALLER CORN STALK-BORER 



{Idasmopalpus UgnosellKS Zell.). — 

 August 30, 1902, Mr. W. D. Hunter, 

 Victoria, Tex., sent larvas of this 

 species, as also numerous stems of 

 black-e3^ed cowpea which had been 

 killed by it. The insect was infest- 

 ing a field of 2 acres, and at that time 

 fully 2 per cent of the plants had 

 been killed, with the prospect that 

 others would die shortly. September 

 9, 1902, Hon. G. W.Koiner, com- 

 missioner of agriculture of Virginia, Richmond, Va., sent speci- 

 mens of the larvffi in cowpea, with report that it was damaging 

 the cowpea crop in Spottsylvania County, around Fredericksburg. 

 The species has been observed in both States in earlier years, but this 

 is the first instance of injury in either. A general account of it is 



Fig. 6. — Work of larva of Elasmopalpus 

 lignosellus on cowpea — reduced (original). 



" See Insect Life, Vol. I, p. 130. 



