54 



A MANUAL OF DANGEROUS INSECTS. 



Scarabaeldie. 



Melolontha hippocastani Fabriclus and M. melolontha Linnaeus; Europe; larvse injure roots of seed- 

 lings. 



Cerambycidse. 



Callidium xneum DeGeer; Germany; bores in wood of felled trees and lumber. 



Chiysomelldse. 



Pseudocolaspis indica Baly; India; adults destructive to inflorescence of Castanea vesea. 



Scolytidse, Ipldse. 



Anisandrus dispar Fabricius; Germany; galleries in wood. 

 Dryoccstes villosus Fabricius; Germany; galleries in bark. 

 Seolytus malt Bechst.; Europe; galleries in cambium. 



LEPIDOPTERA. 

 TineldsB. 



Titcheria complanella Hiibner; Europe; leaf miner on Castanea vesca. 



Tortricldse. 



ToTtrix viridana Linnaeus; Europe; feeds on buds and leaves of Castanea vulgaris. 

 Laspeyresia grossana Haworth; Europe. (See Beech.) 



Fig. 30.— Nut fruit tottrix (Laspeyresia splcndana): 1. Position of egg in chestnut stem; 2, larva in 

 nut; 3, eggs; 4, larva; 5, larva in cocoon; 6, pupa in cocoon; 7, pupa; 8, adult. (Costa.) 



LITERATURE. 



LiNoraGER, L. Die Schildlause (Coccidse), 1912. 



Hess, R. Der Forstschutz, 1898, 1900. 



SoRAtTER, P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3. 



CHICORY; SUCCORY. 



(Cichorium intybus Linnaeus. Family Compositae.) 



The greater part of the chicory root used in this country is imported from Europe, 

 although a small quantity is raised in the United States. Importations of roots might 

 very easily introduce pests. 



CHINABERRY; UMBRELLA TREE. 



( Melia azedarach. Family MeUacese ) 



The common chinaberry tree of the South originated in India. It has been intro- 

 duced into the Imperial Valley, California. 



