COLEOPTERA 1107 



References Bargagli, P. Rincofori Europei, p. 196. 1883. 



Pierce, W. D. Manual of dangerous insects, p. 132. 1917. 



pterygomalis Boh., Polydrusus Fam. Curculionidae 



Hosts Crataegus oxyacantha, Prunus, Salix, Betula, Corylus, Fagus. 



Injury Beetles feed on foliage. 



Distribution Europe, Asia. 



Reference Pierce, W. D. Journ. econ. ent. 9:431. 19 6. 



pubescens Melsh., Agriotes Fam. Elateridae 



(See page 1066.) 



pubescens Fabr., Rhynchites Fam. Curculionidae 



Synonym Rhynchites cyanicolor Schr. 

 Hosts Crataegus, Corylus, Alnus, Quercus. 

 Distribution Europe. 



References Kaltenbach, J. H. Pflanzenfeinde, p. 207. 1872. 

 Bargagli', P. Rincofori Europei, p. 191. 1883. 



quadrigibbus Say, Tachypterus (Apple curculio) Fam. Curculionidae 



Hosts Malus, Crataegus, Amelanchier, Pyrus. 



Injury Larva feeds in fruit, beetles puncture fruit and young twigs. 



Distribution Eastern North America. 



References Brooks, F. E. West Virginia Agr. Exp. Sta. Bui. 126. 1910. 



Mitchell, J. B., and Pierce, W. D. Ent. Soc. Washington. Proc. 13:53. 

 1911. 



q uercata Fabr., Anthaxia .Fam. Buprestidae 



Hosts Crataegus; Pinus strobus, Cercis, and other species. 

 Injury Larva bores in dead or dying branches. 

 Distribution North America. 

 Reference Knull, Josef N. Ent. news 31:6. 1920. 



rufus Ol., Orchestes Fam. Curculionidae 



Hosts Ulmus, Quercus, Salix, Crataegus, Prunus. 



Distribution Europe. 



Reference Bargagli, P. Rincofori Europei, p. 217. 1883. 



rugulosus Ratz., Eccoptogaster (Fruit-tree bark beetle) Fam. Ipidae 



Hosts Prunus, Cydonia, Malus, Crataegus, Sorbus, Amelanchier. 



Injury Larva and adult mine in cambium layer of weak trees, frequently killing them. 



Distribution Europe, Asia, North America. 



References Gossard, H. A. Ohio Agr. Exp. Sta. Circ. 140. 1913. 



Wahl, C. von. Borkenkafer an den Obstbaumen und ihre Bekamfung. 



Augustenberg Flugblatt, no. 3, p. 4. 1914. 

 Swaine, J. M. Can. Agr. Dept. Bui. 14:52. 1918. 



scheppardi Kirby, Choragus Fam. Anthribidae 



Synonym Alticopus galeazii Vill. 

 Host Crataegus oxyacantha. 

 Injury Larva burrows in dying twigs. 

 Distribution Europe. 



References Redtenbacher, L. Fauna Austriaca. Die Kafer, p. 674. 1858. 

 Kaltenbach, J. H. Pflanzenfeinde, p. 208. 1872. 



sericeus Schal., Polydrusus Fam. Curculionidae 



Hosts Pyrus, Prunus, Crataegus, Malus, Fagus, Salix, Quercus, Alnus, and other 



species. 

 Injury Beetles feed on buds and foliage. 



