17 



succeed in perpetuating the species and nothing has been found since 

 of the Louisiana material. A year later Mr. C. P. Lounsbury, gov- 

 ernment entomologist of Cape Colony, found this species parasitic 

 upon Lecanium olece^ the common black scale, in Cape Colony, and sent 

 specimens to the writer for identification. The past spring, Mr. 

 Lounsbury, at the writer's request, made formally through the United 

 States Secretary of Agriculture to the Secretary of Agriculture of 

 Cape Colon5^ brought with him from Cape Town to New York two 

 boxes of twigs covered with the black scale affected with this parasite, 

 and expressed them to Washington, whence they were immediately 

 forwarded to Mr. E. M. Ehrhorn, the horticultural inspector of Santa 

 Clara County, Cal. On June 19 the writer received a letter from 

 Mr. Ehrhorn announcing the arrival in living and healthy condition of 

 the parasites in question. The twigs in one box were somewhat moldy 

 but quite a number of parasites were crawling about in the box and 

 were found in the pupal condition in some of the scales. Mr. Ehrhorn 

 had been warned by telegraph and had prepared twenty-five infested 

 oleander plants by potting them and had covered each with a tight 

 bag of the finest Swiss muslin. In these most of the parasites were 

 liberated and a few were allowed to fly in the orchard. Specimens of 

 a hyperparasite {TetraHticlms sp.) also survived the journey, but Mr. 

 Ehrhorn was on the lookout for this parasite and isolated them as they 

 appeared, pending instructions from Washington as to their destruction. 

 The writer had strong hope of the successful establishment of this 

 species at San Jose, the climate being appropriate and the supply of 

 food unlimited, and stated further that this was another instance of 

 international entomological work which emphasized the fact that this 

 Association through this class of work binds together its members all 

 over the world more than any other association. 



BENEFICIAL WORK OF HYPERASPIS SIGNATA. 



By L. O. Howard. 



[Abstract.] 



In a third note presented bj'' Mr. Howard he stated that at the meet- 

 ing of this association held in 1898 he had the pleasure of calling 

 attention of the members to the rehabilitation of Pulvinaria acericola 

 Walsh and Riley, a Pulvinaria which occurs upon the leaves of maple. 

 The full life history of this species and also of that of Pulvinaria 

 imiumerahilis were displayed in Bulletin 22, n. s. , of the Division of 

 Entomology, U. S. Department of Agriculture. Under the head of 

 natnral enemies of both species the little ladybird beetle, Hyperaspls 

 sk/nafa, was especially mentioned and the statement was made that it 

 was received in the larval state from Knoxville, Tenn., feeding upon 

 6878— No. 26 2 



