72 MISC. PUBLICATION 734, U. S. DEPT. OF AGRICULTURE 



Ferris, G. F. — Continued. 



1941 CONTRIBUTIONS TO THE KNOWLEDGE OF THE COCCOIDEA (HOMOPTERA) 



ix. (contribution no. 24.). Microentomology 6: 6-10, illus. 

 Discusses forgotten genus (Acreagris) of the family Margarodidae 

 from Baltic amber; points out relationship to Matsucoccus. 



1941a contributions to the knowledge of the coccoidea (homoptera) 

 x. (contribution no. 25). Microentomology 6: 11-24, illus. 

 Notes on 8 diaspidine genera; illustrations of 11 diaspid genotypes. 



1941b A NEW GENUS IN THE PSEUDOCOCCIDAE (HOMOPTERA: COCCOIDEA). 



(contribution no. 26). Microentomology 6: 25-28, illus. 

 Cucullococcus vaccinii n. gen. and sp. 



1941c A NEW SPECIES OF STOMACOCCUS (HOMOPTERA; COCCOIDEA; MARGARO- 

 DIDAE). (contribution NO. 27). Microentomology 6: 29-32, illus. 

 S. capsulatus. 



1941d ATLAS OF THE SCALE INSECTS OF NORTH AMERICA (ser. 3) [v. 3]. Serial 



Nos. SIII-2b and SIII-269 to SIII-384, illus. Calif., Stanford Univ. 



Press. 

 Descriptions and plates of 95 coccids, 64 as new, including 45 diaspi- 

 dine, and 50 aspidiotine in 36 genera, 14 presented as new. 



1941e THE GENUS ASPIDIOTUS (HOMOPTERA; COCCOIDEA; DIASPIDIDAE) (CON- 



trtbution NO. 28). Microentomology 6: 33-69, illus. 

 List of several hundred names used at some time in Aspidiotus; list 

 of 10 accepted here, with synonyms; redescriptions or notes for 12; 

 key to 8. 



1942 ATLAS OF THE SCALE INSECTS OF NORTH AMERICA (ser. 4) [v. 4]. Serial 



Nos. SIV-2c and SIV-385 to SIV-448 (SIV-445, 11 p.; SIV-446, 70 

 p.; SIV-447, 4 p.; SIV-448, 7 p.) Calif., Stanford Univ. Press. 

 Descriptions and plates for 52 coccids, 20 as new, including 34 diaspi- 

 dines, 10 aspidiotines, and 8 phoenicococcines, in 28 genera, 1 presented 

 as new; 2 new generic names proposed; supplementary notes on 

 Diaspidae (11 p.) ; classification and keys to groups, genera, and 

 species in all 4 vol. (70 p.) ; index to all 4 vol. (7 p.). 



1943 ADDITIONS TO THE KNOWLEDGE OF THE DIASPIDIDAE (HOMOPTERA: COC- 



COIDEA). (contrlbution no. 41). Microentomology 8: 58-79, illus. 

 Melanaspis — 6 new species, notes on 4, key to 28 N. American; Aoni- 

 domytilus — 2 new species, notes on 3, key to 11; Nicholiella — 1 new 

 species, key to 2. 



1943a THE GENUS TARGIONIA SIGNORET AND SOME OF ITS ALLIES (HOMOPTERA: 



coccoidea: DIASPIDIDAE). (contribution no. 42). Microentomology 



8: 81-111, illus. 

 List of 68 names at some time included in Targionia; redescriptions 

 or notes on 8 species retained, and key to 6 species seen by author; 

 redescriptions of 4 European Quadrasj^idiotus ; list of 7 definite and 

 3 possible Rhizaspidiotus inclusions, redescription of 1. 



1946 INFORMATION CONCERNING THE GENERA CHORTINASPIS AND ASPIDIOTUS 

 (HOMOPTERA: COCCOIDEA: DIASPIDIDAE). (CONTRIBUTION NO. 51) . Mic- 



roentomology 11: 37-49, illus. 

 Review of Chortinaspis and of 10 included species with key. C. divar- 

 icata n. sp.; notes on 2 Asj^idiotiis, revised key to 9. 



1950 REPORT UPON SCALE INSECTS COLLECTED IN CHINA (HOMOPTERA: COC- 

 COIDEA). part I. (contribution no. 66). Microentomology 15: 1-34, 

 illus. 

 Beesonidae n. fam., Fnlbrightia, Sishania n. gen.; 9 new species, de- 

 scriptive notes on 5 others. 



1950a report upon scale insects collected in china (homoptera: coc- 

 codea) part ii. (contribution no. 68). Microentomology 15: 69-97, 

 illus. 



Hsuia n. gen.; 8 new species; descriptive and collection notes on 14 



additional coccids. 



