1793 
1801 
1837 
18661 
1881 
1895 
IQOI 
1907 
1795 
1866 
REPORT OF THE STATE ENTOMOLOGIST 1908 
ie2) 
qn 
2 cylindrus Fabr. 
Bostrichus. Fabr. Ent. Syst. 2:364 
Bostrichus. Fabr. Syst. El. 384, tab. II 
Platypus. Ratzeburg. Forstins. 1:188, t. X, fig. 13 
Platypus. Chapuis. Mon. Plat. p. 246, fig. 147 
Platypus. Ejichhoff. Borkenk. p. 305, fig. 108, 109 
Platypus. Judeich-Nitsche. Forstins. 1:547 
Platypus. Barbey. Scol. Europ. Cent. 115 
Trédl. Nahrungs. Verbreit. Borkenk. Europ. 19 
Habitat. Europe, Asia, America. 
Food plants. Quercus, Castanea, Fagus, Fraxinus. 
3. flavicornis Fabr. 
Bostrichus. Fabr. Gen. Ins. Mant. p. 212 
Bostrichus. Fabr. Spec. Ins. 1:67 
Bostrichus. Fabr. Mant. Ins. p. 36 
Bostrichus. Herbst. Kafer, 5:118 
Bostrichus. Fabr. Ent. Syst. 2:364 
Bostrichus. Fabr. Syst. El. 2:384 
Scalytus: Olivier. Ent. gen; 78, p. 4; t. 1, fig. ta, b 
Platypus. Chapuis. Mon. Plat. p. 154-56 
Platypus. Leconte. Am. Phil. Soc. Proc. 15 :343 
Platypus. Schwarz. Am. Phil. Soc. Proc. 17:468 
Platypus. Lugger. Ent. Soc. Wash. Proc. 1:36 
Platypus. Hopkins. Can. Ent. 26:277 
Platypus. Blandford. Biol. Centr. Am. Col. 4, pt 6, p. 93, 95, 104 
Biaiypusseciiubbard. Uns. Dive Dnt Bulk yanks sae pa wS5 
Platypus. Smith, Cat: Ins. N. J. p. 361 
bidentatus Dej. 
Platypus, Dey. Cat. ed. 3, p. 333 
=flavicornis Fabr. Chapuis. Mon. Plat. p. 155 
disciporus Chap. 
Platypus. Chapuis. Mon. Plat. p. 219, fig. 123 
= flavicornis Fabr. Leconte. Am. Phil. Soc. Proc. 15 :343 
Habitat. Southern United States, Mexico. 
Food plants. Many deciduous and coniferous trees. 
4 punctulatus Chap. 
Platypus. Chapuis. Mon. Plat. p. 199, fig. 110 
Platypus. Leconte. Am. Phil. Soc. Proc. 15 :345 
Habitat. Texas. 
Food plants. (?) 
5 quadridentatus Oliv. 
Scolytus. Olivier. Ent. 78. 3, pl. 1, fig. 3 
Platypus. Chapuis. Mon. Plat. p. 337 

1 For other references see Chapuis’s Mon. Plat. p. 246. 
