196 MISC. PUBLICATION 734, IT. S. DEPT. OF AGRICULTURE 



Silvestri, F. — Continued. 



1938 DESCRIZIONE DI TRE SPECIE AFRICANE DI MARGARODINI (iNSECTA, HOMO- 



tera, coccidae). Bologna Univ. 1st. di Ent. Bol. 10: 35-43, illus. 

 Porphyrophora erythraea, P. libica, Neomargarodes aethiopicus n. 

 spp. 



1938a DESCRIZIONE DI UN NUOVO GENERE DI MARGARODINAE. ( INSECTA, COC- 

 CIDAE) della cina. Notes d'Ent. Chinoise 5 (3) : 21-27, illus. 

 Promar gar odes sinensis n. gen. and sp. 



1939 fam. coccidae. In Compendio di Ent. Appl. Parte Spec. 1 (2) : 618- 



860, illus. 

 Descriptive and other information on about 80 coccid species and 

 nearly as many genera; proposes Pericerya for Icerya purchasi; 

 presents figures for Costalimaspis lepagei Silv. 



1939a DESCRIZIONE DI UNA NOVA SPECIE DI MARGARODES (iNSECTA COCCIDAE) 



del brasile. Portici. R. Lab. di Ent. Agr. Bol. 2 : 421-423, illus. 

 M. paulistus. 



See also Berlese, A., and Silvestri, F. 



Silvestri, F., and Martelli, G. 



1908 LA COCCINIGLIA DEL FICO (CEROPLASTES RUSCI L.) Portici R. Scuola 



Super, di Agr. Lab. Zool. Gen. e Agr. Bol. 2: 297-358. 

 Detailed description, life history, distribution, enemies. 



SlMANTON, F. L. 



1916 THE terrapin scale: an important insect enemy OF PEACH OR- 

 CHARDS. U. S. Dept. Agr. Bui. 351, 96 p., illus. 

 Distribution, hosts, detailed life history, enemies, control of Eulecan- 

 ium nigrofasciatiim Perg. 



SlNELNIKOVA, Z. 



1937 THE VIOLET SCALE-INSECT SYNGENASPIS OLEAE COLV. AS AN ORCHARD 



pest of middle asia. (In Russian.) Taschkent Univ. Asiae Mediae 

 Acta (Ser. 8-a, Zool.) fasc. 40, 22 p., illus. 

 English summary. Description, life history, damage, control. 



Siraiwa, H. 



1933 [investigation on mealybugs (pseudococcus).] In Plant Quaran- 

 tine Statistics, No. 8, with an appendix of brief reports on inves- 

 tigations of diseases and pests found on plants from plant quar- 

 antine inspections in 1931. Noji Kairyo Shiryo, Bur. of Agr., Min. 

 Agr. For. No. 55, Appendix: Yokohama Custom House, 6-10. (Not 

 seen; presumably includes description of new species from Micro- 

 nesia.) 



1935 studies on mealybugs infesting pear in japan. (In Japanese.) 

 Kontyu 9 : 63-75, illus. 

 English summary; describes and figures Pseudococcus comstocki, P. 

 kraunhiae, and P. matsumotoi, P. piricola, both new species. 



1938 descriptions of two new coccids from japan. Kontyu 12: 106-110, 



illus. 

 Trionymus mori, T. soja. 



1939 notes on and descriptions of the coccids of southern saghalien. 



Kontyu 13 : 63-75, illus. 

 Describes 6 new species; collection records for 13 other coccids. 



1939a two new scale insects from japan. Kansai Ent. Soc. Trans. 9: 

 16-18, illus. 

 Phenacoccus ardisiae, Phenacaspis susukicola. 



Six, G. A., see Graaf, H. W. de, Six, G. A., and Vollenhoven, S. C. Snellen van 



Sleesman, G. B. 



1945 THE COCCIDAE OR SCALE INSECTS OF PENNSYLVANIA. Pa. Acad. Sci. 



Proc. 19 : 43-48. 

 A list of 65 coccids in 22 genera and a list of hosts for each. 



