INSECTS OF DOGWOOD, DURKA, EGGPLANT, ELM. 95 



DOGWOOD. 



(Comus spp. Family Comacese.) 



Hardy oriiameutal shrubs or trees of the northern hemisphere and Peru. The bark 



of some species is used in obtaining a substitute for quinine, for tooth powder, black 



ink, etc.; the bark of the roots yields a scarlet dye, the wood is hard and good for tool 



handles. 



IMPORTANT DOGWOOD INSECTS. 



HEMIPTERA. 

 Coccidse: 



Armored — 



Chionaspis salicis Linnaeus; Europe; Comus sanguinea. 

 Unarmored — 



Lecanium coryli Linnaeus; Europe; Comus sanguinea, C. sericea. 



DURRA. 



See Sorghum. 



EGGPLANT. 



{Solanum melongena. Family Solanacese.) 



A tropical vegetable now extensively cultivated in this country for its fruit. 



A. EGGPLANT INSECT LIKELY TO BE IMPORTED. 



Leucinodes orbonalis Gufe^e. 



(Eggplant Fruit Borer. Pyralidse; Lepidoptera.) 



Host: Eggplant. 



Injury: Bores in the fruit. 



Description and biology: Adult wing expanse 24 mm., white, forewing with fulvous, 

 black and ferruginous markings; hind wing white, with black lines and specks. 

 Larva about 15 mm. long, flesh color, with brown head and shield; a few short hairs 

 on round dark spots. 



Distribution: India, Java, Burma, Ceylon, South Africa. 

 Maxwell-Lefroy, H. M. Mem. Dept. Agric. India, vol. 1, 1907, p. 214, fig. 65. 



B. IMPORTANT EGGPLANT INSECTS. 



DIPTERA. 

 Trypetidae. 



Lonchxa splendida; New Zealand, Australia, Oceanica; attacks fruit. (See Tomato.) 



LEPIDOPTERA. 

 Noctuidse. 



MicTomima olivia; Cuba; leaf roller on tomato, tobacco and eggplant. 



ELM. 



(Ulmus STpj). Family Urticacese.) 



Ornamental deciduous trees distributed throughout the colder and temperate 

 regions of the northern hemisphere, some of them much valued as avenue trees. 

 The wood is very hard and valuable in the manufacture of implements. 



IMPORTANT ELM INSECTS. 



HEMIPTERA. 

 Aphididae. 



Colopha compressa Koch, Eriosoma laniiginosa Hartig, Tctraneura pallida Haliday, Eriosoma iilmi 

 Linnaeus, Tetraneura ulmi DeGeer; Europe; attack foliage of elms. 



Coccldae. 



Armored — 



Chionaspis salicis Linnaeus; Europe; Uimus campestris. 



