igoi] ENTOMOLOGICAL NEWS. 311 



3. Pulvinaria persicea Newst., 1892. 



This was described from a peach tree under glass at Knuts- 

 ford, Cheshire, England (Newstead). 



14. Pulvinaria floccifera Westw. 



In 1895, Prof. Cockerell described a species of Pnlvinaria 

 found on orchid (Brassia nerucosa) in a greenhouse at Ottawa, 

 Canada, found by Dr. Fletcher, as P. brassia. Later, in 1899, 

 Prof. Lull described P. phaiic, found by Mr. Cooley in the 

 College greenhouse at Araherst, Mass. ; also on orchid ( /Via/us 

 maculatus,} Prof. Cockerell now believes these to be identi- 

 cal with P. floccifera, as interpreted by Mr. E. E. Green in 

 Entom. Mo. May, 1897, p. 73. P. floccifera is a very common 

 species in greenhouses in England, on Camella and orchids. 

 It is also found on several plants in Ceylon (Green). 



15. Vinsonia stellifera Westw. 1888. 



This is a common greenhouse pest in Europe (Signoret.) 

 It is also said to be very destructive to potted plants in 

 Trinidad (Hart). 



1 6. Ceroplastes floridensis Comst., iSSi. 



This has been found on Chinaman casceia in a greenhouse in 

 Florida. 



17. Lecanium liemisphaericum Targ., 1869. 



This is one of the commonest of scale insects found in 

 greenhouses and potted plants in dwelling houses, especially on 

 ferns ; in the department greenhouses at Washington, D. C., it 

 is found on orange, Drisipyrns, Chrvsophvllut, sago palm and 

 Croton variegatus (Comstock), on Xeprolepsis c.\'altatns and 

 Cycas in College greenhouse at Colorado (Gillette and Baker), 

 on house fern and potted plants in New Mexico (Cockerell ), 

 on Cycas rcvoluta at Ames, Iowa ( W. Xewell), on two 

 species of ferns at Warehouse Point, Conn. (Dimmock), on 

 sword fern Pteris sp. at Lawrence, Kansas i 8. J. HunU-n, 

 ferns, palms, orange and OlcaiuLi in Georgia (W. M. Scott), 

 on ^-Ireca catccho grown in pots at Jamaica (Cockerell), on 

 Cycas irro/iita in Springfield Nat. Hist. Museum (Dimmock), 

 on ferns, Cycas rcro/i/fa, orange (>/<(( tit/cr, at Lawrence, Mass., 

 and fern A'cp/irolcpis tnbcrosa at Cambridge, Mass. (King) ; 



