317 



Mytilaspis pomorum Harvey & Munson, Bull. 56, Me. E.xp. Sta., p.i 10(1899). 

 " '' " " Rep. Me. Exp. .Sta., p. no (1S99). 



Ckll., Pr. Ac. N. Sci. Ph., p. 275 (1899). 

 ulmi " " " " " " p. 275 (1S99). 



" pomorum Lockhead, Rep. Ont. Dep. Ag., p. 40 (1900). 

 " " Newst., Journ. Roy. Hor. Soc. x.xiii, p. iS (1900). 



" " Fern. H. T., Mass. Crop. Rep., May, p. 31 (1900). 



" " Beach, Lowe, Stewart, iSth Rep. N. Y. Exp. Sta., p. 



416 (1900). 

 " conchiformis Frank & Kruger, Schildlausbuch, p. 99 (1900). 

 " ulmi King & Ckll., Can. Ent., x.xxiii, p. 200 (1901). 

 Lepidosaphes pomorum Kirkaldy, Fauna Haw., iii, pt. 2. p. in (1902). 



Habitat. — Canada; United States; Brazil; Europe; Algeria; Australia; 

 New Zealand; Japan; Hawaiian Islands. 



On elm ; apple ; pear; plum; currant; willow; birch; butternut; Cornus ; 

 ash; oak; linden; poplar; rose; wild cherry; Stillingia sebifera ; Ailan- 

 thus glandulosus ; Ceanothus americanus ; Sassafras officinale ; /Esculus 

 glabra ; Syringa persica ; Cysticus, etc. 



Lepidosaphes ulmi vitis (Goethe). 

 Mytilaspis pomorum var. vitis Goethe, Jahrb. Nass. Ver. Nat., p. 118 (1884). 

 " " " " Dougl., Ent. Mon. Mag., xxiii, p. 28 (18S6). 



Habitat. — England ; Germany. 

 On grape-vine. 



Lepidosaphes ulmi ulicis (Dougl.). 

 Mytilaspis ulicis Dougl., Ent. Mon. Mag., xxii, p. 249 (1886). 



" -xxiii, p. 152 (i886). 

 " pomorum var. ulicis Newst., Mon. Brit. Cocc, i, p. 200 (1901). 

 Habitat. — England. 

 On furze (Ulex europ^eus). 



Lepidosaphes ulmi Candida (Newst.). 



Mytilaspis pomorum var. candidus Newst., Ent.Mon.Mag.,xxxvii,p.82(i90i). 

 " " " " " Mon. Brit. Cocc, i, p. 201(1901). 



Habitat. — England. 

 On hawthorn. 



Lepidosaphes ulmi japonica (Kuw.). 

 Mytilaspis pomorum var. japonica Kuw., Pr. Cal. Ac. Sci., (3),iii,p.8o (1902). 

 Habitat. — Japan. 

 On Abies lirma. 



Genus ISCHNASPIS Dougl. Type, tiliformis=longirostris. 



Ischnaspis Dougl., Ent. Mon. Mag., xxiv, p. 21 (1S87): Newst., Mon. Brit. 

 Cocc, i, p. 209 (1901). 



