352 EXPERIMENT STATION KECORD. 



seven reuiaiuiiiy are described as AonuJid juniixri, Cliionasiti.s micropori, Leu- 

 caspis iiidico, Mytilaspis chilop-sidis, rarlatoria munijijenv, P. pyri, and P. 

 cliineiisis. 



Four species are apparently native to this continent wliile of the others five 

 species have been found on living plants recently imported. Lcucaspis indica 

 and Parlatoria mangiferce attack the mango, the former being established in 

 mango iJlantings in Florida and Porto liico, while the latter is found more or 

 less generally infesting nursery stock in the Department greenhouses. A 

 vigorous attempt is being made to exterminate both of these scales. Atten- 

 tion is called to the danger of accidentally introducing some of these foreign 

 species. 



Photomicrographs are given of the anal plates of the species described. 



The scale insects of Argentina, E. Autran {An. Soc. Rural Argentina, Ji2 

 {JDOS), A'o. 55, pp. 111-1 li), Jigs. 10). — The distribution and injurious effects of 

 scale Insects of Argentina are briefly discussed. Particular n)ention is made of 

 Ceroplastes bergi, Margarodes vitium, Cliionaspis citri, and Aulacaspis pcnta- 

 goiia. 



Scale insects from Amani, L. Lindinger (Pflanzer, 3 (1907), No. 23, pp. 

 353-300). — Particular attention is given to an account of Aspidiotus destructor 

 which causes serious injury to cocoanut palms. The author recommends that 

 attempts be made to encourage the multiplication of the natural enemies of this 

 insect. The use of emulsions was not attended with satisfactory results, since 

 these insecticides caused injury to the plants. Notes are also given on Chrysom- 

 plialus aurantii, Ceroplastes ceriferus, and other species. 



Remedies for the San Jose scale and directions for their use, P. J. Parrott 

 (New York State Sta. Cire. 9, pp. 12, figs. 2). — Formuhe for sprays for San 

 Jose scale and directions for their preparation and application are given. Brief 

 notes are included on the thinning out and pruning of old apple orchards. 



The Argentine ant in California, C. W. Woodworth (California Sta. Circ. 

 38, pp. 11, figs. 2). — This destructive ant has been found in the State for the first 

 time. In sevei'al widely separated localities colonies appear to have become 

 established. Attention is called to the injury by this insect in Louisiana to food 

 supiilies, stored products, field crops, fruit trees, etc. Remedial measures are 

 described and methods of eradication suggested. 



The mound-building' prairie ant, T. .J. Headlee and G. A. Dean (Kansas 

 Std. Bid. 15'i, pp. 165-lSO, figs. 12). — This ant (Pogonomyrmex occidental is) is 

 distributed throughout western Kansas and over a large part of the eastern 

 plains of the United States. 



" They live in large colonies in gravel-covered mounds, each located in a 

 cleared circular space, and beneath these mounds in- chambers and galleries 

 that penetrate the earth as far as 10 ft. These chambers and galleries serve 

 them as storerooms, nurseries, and workshops. 



" While it is true they destroy a small percentage of cultivated crops, their 

 substantial claim to the title of injurious insects lies in the annoyance caused 

 the farmer in cultivating and harvesting his crops and in the discomfort result- 

 ing from their efforts to protect their habitations when occupying public streets, 

 sidewalks, much-used paths, dooryards, and corrals. 



" Large numbers of experiments have shown that thorough fumigation with 

 carbon bisulphid is at once the easiest and most successful method of destroying 

 them known at the present time." 



The gipsy moth in Connecticut, W. E. Britton (Ann. Rpt. Conn. Bd. Agr., 

 J/O (1906), pp. I.'i0-152, figs. 5). — A historical statement is given of the intro- 

 duction and distribution of the gipsy moth in this country. Particular atten- 

 ^tiou is devoted in the present article to an account of the work thus far done in 



