Coleoptera 461 



215748 ueoves, (ieo. I. 67.68 Phytonomns : 16.5 



1917. The Alfalfa Weevil Investigation. Jourii. ecoii. Entoin. Vol. 10 

 p. 123-131. 



49 Len?, Charles W. 57.68 Piezocorjnns (75.5) 



1918. Description of a New Species of Piezocoryniis. Jonru. N. Y. 

 entom. Soc. Tol. 26 p. 11—12. [P. virginicus.] 



50 aiisek, H. 57.68 Pissodes : 16.5 



1912^ Der braune Kieftn-nkultur -Riisselkafer (Pissodes notatus Fabb.). 

 Oe^terr. Forst-Ja^d-Zeitg. Jahrg. ?»0 p. 169. 



51 Walden, B. H. 57.68 Pissodes 16.5 



1915. Experiments in Controlling the White Pine Weevil in 1915. 1.5th 

 Rep. Coucecticut agric. Exper. Stat. p. 134—136. 



52 Graham, S. A. 57.68 Pissodes : 1G.5 



1916. Notes on the Control of the White Pine Weevil. Journ. ecou. 

 Eutom. Vol. 9 p. 549-551. 



53 Tragardh, Ivar. 57.68 Pissodes : 16.5 



1918. Tallviveln {Phsodes pini L.), en allman, men i vllrt land hittils 

 foga beaktad ekogsinsekt. Flygbl. No. 12 Statens Skogs-Forgobsanst. 

 Stockholm, 7 pp. [Der Schadling Pissodes pini L.] 



54 Hopping, Ralph. 57.68 Pissodes (79.4) 



1920. A Nevp Species of the Genus Pissodes. Cauad. Entom. Vol. 52 p. 

 132—134, 1 fig. [P. terniinalis.] 



55 FergussoD, A. 67.68 Pltyogenes (41.4) 



1920. The Clyde Record of Pityogenes chalcographus L. Scottish Natural. 

 1920 p. 199-200. (41.41,.43) 



56 Sedliczek, Walter. 57.68 Pityogenes (48.61) 



1912. Ueber das Vorkonimen von Pityogenes bistredentatus im Wienerwald. 

 Oesterr. Forst-Jagd-Zeitg. Jahrg. 30 p. 65, 2 figg. 

 215757 Blackman, M. W. 57.68 Pityophthorns : 16.5 



1919. Notes on Forest Insects. II. Notes on Several Species of Pityoph- 

 thorns Breeding in the Limbs and Twigs of White Pine. Psyche Vol. 26 

 p. 134—142, 3 pis. 



58 Blackmau, }l. W. 57.68 Pityophthorns (78.8) 



1920. Notes on Forest Insects. III. Two New Species of Pityophthorus 

 from Colorado. Psyche Vol. 27 p. 1—5, 1 pi., 1 fig. [P. bassetti and 

 occidentalis nn. spp.] 16.5 



59 Weiss, Harry B. 57.68 Plagiodera : 16.5 



1916. A New Enemy of Poplars and Willows in New Jersey. Cauad. 

 Entora. Vol. 48 p. 105—106. [Plagiodera versicolora.] (^9-4) 



60 Weiss, Harry B., and Edgar L. Dickerson. 67.68 Plagiodera ; 16.5 



1917. Plagiodera versicolora Latch. — An Imported Poplar and Willow Pest. 

 Canad. Eutom. Vol. 49 p. 104-109, 1 pi. 



61 KoiiocoBi,, H). M. Kolossoff, J. .^. 57.68 Plateumaris (47.8) 



1915. 9HTOMOJiorHHecKia saM'tTKii. IV. J^Ba HOBux'b MliCTOHaxoKjieHia 

 Plateumaris braccata Scop. Notices entomologiques. IV. Doux stations 

 nouvellcs de Plateumaris braccata Scop. San. ypa.lbCR. OSm;. JIioSht, 

 EcTecTB. Bull. Soc. oural. Amis Sc. nat. T. 35 p. 156. 



62 Strohmeyer, Heiurich. 57.68 Platypodidae : 14.9 



1920. Die Morphologie des Chitinskeletts der Platypodiden. Arch. Nat. 

 Jahrg. 81 Heft 7 p. 1—42, 34 figg 14.93-.96,.98,.99 



63 Swaiae, J. M. 57.68 Platypus (71.1) 



1916. Platypus tvilsoni — a new species of Platypus from British Colum- 

 bia (Platypodidae, Coleoptera). Canad. Entom. Vol. 4S p. 97—100, 2 pis. 



16.5 



64 Mjllikeu, F. B. 57.68 Plectrodera : 16.5 



1916. The Cottonwood Borer. Bull. U. S. Dept. Agrlc. No. 424, 7 pp., 

 i pL, 3 figg. 



215765 . . . 57.68 Polydrosus (56.43) 



1919. La vraie provenance du Polydrosus rhodiacus ScHii.sKy. Bull. Soc. 

 entom. France 1919 p. 159. [Chypre.] 



