l40 THE CANADIAN ENTOMOLOGIST. 



(27) Lecanium hesperidiim, L.; 1 758-1 S28. I. Described as Coccus 



hesperidum. 



Very common in greenhouses, and a pest not only in greenhouses, 

 but also to many plants in dwelling houses at Lawrence, Mass.; on ferns, 

 palms, ivy, and many other plants not yet identified ; recorded from 

 Utah, Ohio, California, Florida, Georgia, New York, New Jersey, and 

 Washington, D. C. 



(28) Lecanium coffece. Walk.; -1896. I. Syn. hemisp/icericHin, Targ. 



A first-class pest on greenhouse plants at Lawrence, Mass.; on ferns 

 and several other plants not determined. It is reported from Cambridge, 

 Maine, New Jersey, New Mexico, California, Pennsylvania, and 

 Washington, D. C, on Orange, Diospyros, Oleander, Chrysophyllum, 

 Sago palm, and Croton variegatum. 



(29) Lecaniuin quercifex, Fitch. 1856-1898. N. 



On white oak at Lawrence, Mass. Parasited by a new species of 

 Coccophag2is. Originally described from New York. 



(30) Lecanium quercifex, Fitch, var. ; 1898. N. 



At Methuen. Mass.; on cork oak and an ornamental shrub. It is 

 parasiled by Aphycus lecanii, How. 



(31) LecaJii7int filicum, ^ohd.; 1868-1869. L 



According to Dr. Packard it has been found in greenhouses frequently. 

 Prof. Cockerell informs me that this is only a variety of L. coffete. 



(32) Lecanium cory/i/ex, Fitch ; 1856-189S. N. 



A very common species at Lawrence, Andover, and Methuen, Mass.; 

 on hazelnut, Corylus americana, and is attended by Cremastogaster 

 iineo/aia, Say. It is parasited by Aphycus lecanii. How., Coniys fusca, 

 How., Microierys, sp. A new genus, near Chrysoplatycerus, and a 

 Tetrastichus, sp. (Hyperparasite), were found with one lot. The Coccid 

 was originally described from New York. 

 {2,^) Leca7iium cynosbati,¥i\c\\; 1856-1898. N. Syn. Caryse, Sign. 



From Methuen, Mass.; on three-thorned locust, Gleditschia triacan- 

 thos. It is attended by Formica subsericea, Say. Originally described 

 from New York. 

 (34) Lecaniutn tessellatuvi, Sign ; 1873-1898. I. 



Found by Mr. J. W. Folsom in the botanic gardens at Cambridge, 

 Mass. (Ckll. in litt.). 



