'97 



Lecanium rugosum Ckll., Can. Ent., xxvii, p. 59 (1895). 



'' (Eulecanium) rugosum Ckll., Check List, p. 332 (1896). 



" rugosum Frank & Kruger, Schildlausbuch. p. 108 (1900). 



Habitat. — France; Germany; United States. 



On peach ; plum ; quince ; apple ; pear ; cherry; honey locust ; elm ; maple. 

 It is very doubtful whether all the above citations refer to the same 

 species. 



968. Eulecanium subaustraie (CklL). 

 Lecanium subaustraie Ckll., The Entom., xxxi, p. 131 (1898). 



" (Eulecanium) subaustraie Ckll., Check List, Suppl., p. 394 (1899). 



Habitat.— Mexico. 

 On Celtis occidentalis? 



969. Eulecanium takachihoi (Kuwana). 

 Lecanium (Eulecanium) takachihoi Kuw., Pr. Cal. Ac. Sci.,(3),iii,p.63 (1902). 

 Habitat. — Japan. 

 On chestnut. 



970. Eulecanium tarsale (Sign.). 

 Lecanium tarsalis Sign., Ann. Soc. Ent. Fr., (5), iii, p. 430 (1873). 



(Eulecanium) tarsale Ckll. & Parr., The Industrialist,p. 234 (1899). 

 " tarsale King, Can. Ent., xxxi, p. 141 (1899). 

 Habitat.— N. Y.; Mass. 

 On Cornus sanguinea; C. alternifolia. 



971. Eulecanium tiliae (Linn.). 

 Coccus tiliae Linn., Syst. Nat., Ed. x, i, p. 456 (1758). 



" " " Faun. Suec, ii,p. 265 (1761). 



Chermes" hemisphaericus Geoff., Abr. Ins., i, p. 507 (1762). 

 Coccus " Linn., Syst. Nat., Ed. xii, i, p. 741 (1766). 



" " Fab., Syst. Ent., p. 743 (1775). 



" " Mod., Act. Goth., p. 30 (1778). 



" " Fab., Spec. Ins., ii, p. 394 (1781). 

 Chermes" Fourc, Ent. Paris., p. 229 (1785). 

 Coccus " Fab., Mant. Ins., ii, p. 319 (1787). 



" " Gmel., Syst. Nat., Ed. xiii, p. 2217 (1789). 

 Chermes " Oliv., Ency. Meth., vii, p. 440 (1792). 

 Coccus " Fab., Ent. Syst., iv, p. 226 (1794). 



" " Turton, Syst. Nat., p. 713 (1801). 



" " Fab., Syst. Rhyng., p. 309 (1803). 



" " Bechst., Forstins., i, p. 286 (1804). 

 Lecanium tiliae Blanch., Hist. Nat. Ins., iii, p. 214 (1840). 



" " Sign., Ann. Soc. Ent. Fr., (5), iii, p. 431 (1873). 



Coccus " Doug!., Ent. Mon. Mag., xxiii, p. 25 (1886). 

 Eulecanium tiliae Ckll., The Entom., xxxiv, p. 92 (1901). 

 Habitat. — Europe. 

 On Citrus; poplar; elm; maple; plum: pear; cherry. 



