■ 1891.] NEW-YORK MICROSCOPICAL SOCIETY. 51 



PiTYOI'HTHORUS ANNECTENS LeC. 



Biological Notes. Schwarz. Proc. Etit. Soc. Wash. i. 164. 

 1877. Larvae. Perris. Larves des Coleopt. 412. 



Hypothenemus eruditus Westw. 

 18S5. Eg^g, larva, pupa. Hubbard. Ins. Aft'. Orange. 173. 



Xyloterus bivittatus Kby. 

 1882. Larva, pupa (figs. only). Packard. 3d Rep. U. S. Ent. Com. pi. xiv 

 figs. I, I a. 



Xyleborus c.elatus Eich. 

 1882. Larva, pupa (figs. only). Packard. 3d Rep. U. S. Ent. Com. pi. xiv. 

 figs. 2, 3. 



Xyleborus xylographus Say. 

 1857. Egg, larva, pupa. Fitch. 4th. Rep. Nox. Ins. 720 (Trans. N. Y. 



Agri. Soc). 

 1881. Egg, larva, pupa. Packard. Ins. Inj. For. & Sh. Tr. 165. 



Xyleborus pyri Peck. 

 1819. Larva (biol. notes). Peck. Mass. Agri. Rep. v. 307-313. 

 1826. Larva (biol.). Peck. Zoo. Journ. 3S7-402. 

 1841. Larvae (notes). Harris. Inj. Ins. Mass. 75. 

 i88g. Biological notes. Schwarz. Proc. Ent. Soc. Wash. i. 13S. 



Dryoccetes affaber Mann. 

 18S1. Larva, pupa (figs.). Packard. Ins. Inj. For. & Sh. Tr. 243. 



ToMicus PiNi Say. 

 1S58. Fig. of Galleries. Fitch. 4th Rep. Nox. Ins. 722 (Trans. N. Y. 



Agri. Soc. 1857). 

 1881. Pupa(fig.l Packard. Ins. Inj. For. & Sh. Tr. i6g. 



ToMicus CALLTGRAPHUs Germ. 

 1S58. Burrows. Fitch. 4th Rep. Nox. Ins. 721 (Trans. N. Y. Agri. Soc. 

 1857). 

 ScoLYTUS 4-SPINOSUS Say. 



1S73. Larva, pupa (figs.). Riley. 5th Rep. Nox. Ins. Mo. 103-108. 

 1874. Larva, pupa (figs. only). Le Baron (after Riley). 4th Rep. Nox. Ins. 



111. 146. 

 1876. Larva, pupa (figs. only). Thomas (after Riley), ist Rep. Nox. Ins. 



111. 145. 

 18S1. Larva, pupa (figs.). Packard (after Riley). Ins. Inj. For. & Sh. 



Tr. 73- 



SCOLYTUS UNISPLMOSUS LeC. 



1886. Larva (borings). Smith. Ent. Am. ii. 125. 



