INSECTS OF CHINABERRY, CHOCOLATE, CINCHONA, CITRUS. 55 



COLEOPTERA. 

 PlatystomJdse (Anthribidse). 



if-ArsKerusfasckuMus DeGeer; a cosmopolitan insect, breeds commonly in the berries. This is a pest 

 of many dried vegetable products and is very injurious in the Southern States. 



CHOCOLATE. 



(See Cacao.) 



CINCHONA; QUININE. 



{Cinchona. Family Rubiaceae.) 



South American trees whose bark yields the qiiinine of medicine. 



A. AN IMPORTANT CINCHONA PEST. 



Boarmia crepuscularia Hiibner. * 



(Javan Cinchona Geometrid. Geometridae; Lepidoptera.) 



Hosts: Cinchona ledgeriana; elm. 



Injury: Very injurious to cinchona in Java; attacks elm in Russia. 



Description and biology: The larva attacks not only the foliage, but the bark of twigs 

 and young branches, absolutely defoliating a tree when serious. 



Distribution: Java, Europe, Asia, 

 SoRATJER, P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 338. 



B. OTHER CINCHONA INSECTS. 



LEPIDOPTERA. 

 CossldsB. 



Zeuzera coffex Nietner; Orient. (See Coffee.) 



Psyehldie. 



Ctania variegata Snellenhoeven, and C. crameri Westwood; Orient. (See Tea.) 



Lasiocampidse. 



Odonestis pUgifera Walker; Java; defoliator. 



MetaiMstTia hyrtaca Cresson; Java, very important defoliator. 



Lyman trildse. 



Ewproctis flexuosa Snellenhoeven; Orient; defoliator. 



CITRUS; ORANGE; LEMON; KUMQUAT; LIME; TANGERINE; 

 GRAPEFRUIT. 



{Citrus spp. Family Rutaceae.) 



Aromatic, glandular shrubs and trees cultivated in semitropical and tropical coun- 

 tries for their deUcious fruits. 



A. CITRUS PESTS LIKELY TO BE IMPORTED. 



* Eriophyes olelvorus Ashmead. 

 (Orange Rust Mite; Lemon Silver Mite. Eriophyidse; Acarina.) 



Hosts: Orange, lemon. 



Injury: Blisters the leaves and fruit. 



Description and biology: Four-legged blister mite which attacks citrus trees and 

 causes rusts on the frmt. 



Distribution: North America, South America, Bermudas, Australia. 

 Marlatt, G. L. U. S. Dept. Agr., Yearbook, 1900, pp. 285-289. 

 SoRAUER, P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 121. 



