300 



GARDEN GUIDE 



CRANBERRY 



Fireworm or Black-headed Cranberry 

 Worm: Small, pale green, black-headed 

 caterpillars web the leaves and new shoots 

 together and feed inside the nest. Spray 

 with lead arsenate to kill the caterpillars. 

 Flood the bog for three days to kill the pupae . 



Yellow-headed Cranberry Worm : 

 Small, green, yellovz-headed caterpillars 

 injure plants in same manner as the pre- 

 ceding. Spray with lead arsenate. Keep 

 bogs flooded until about May 20. 



Cranberry Fruit-worm: Pale green 

 larvae infest the berries. Flood the bog for 

 about two weeks as soon as the fruit has 

 been harvested. Destroy all infested ber- 

 ries. 



CUCUMBER 



Striped Cucum- 

 ber Beetle: Eats the 

 leaves of young 

 plants. Larvae tunnel 

 in main root or stem 

 just under ground, 

 sometimes killing the 

 plant. Dust plants 

 heavily with land 

 plaster or dry lead 

 arsenate. Cover 

 plants with screens. 



Striped Cucumber Melon Aphid : 



Beetle See Melon. 



CURRANT 



Currant Worm : 



Eats leaves in May. 

 Spray with lead 

 arsenate or fresh 

 hellebore. Dampen 

 leaves, then sprinkle 

 with air slaked lime. 



Currant Stem 

 Girdler: Adults 

 girdle new tips after 

 laying eggs in them. 

 Clip off and burn 

 these tips at any 

 time of the year. 



Currant Borers: Larvae of two species, 

 — one a moth and the other a beetle — bur- 

 row in the pith of the stems, causing the 

 leaves to droop and finally killing the canes. 

 Destroy infested canes in May. 



Four-lined Leaf -bug: An active bug, 

 striped lengthwise with black and yellow, 

 sucking sap from the terminal leaves. Spray 

 with nicotine solution. 



Scurfy Scale: A light gray, pear- 

 shaped scale on bark sucking the sap. 

 Spray second week in June with kerosene 

 emulsion or nicotine solution. 



San Jose Scale: See Peach. 



Currant Aphid : Yellowish green aphids 

 sucking sap from the under side of the 

 leaves causing them to curl. Underspray 

 with nicotine solution or kerosene emulsion. 



Currant Worm 



CYCLAMEN 

 Leaf -Mite: Transparent microscopic 

 mites cause leaves to curl; plants do not 

 blossom. Syringe under leaf surface 

 strongly with water. Spray with, or dip 

 the plants in, nicotine solution (i part to 

 400). 



DAHLIA 



Tarnished Plant Bug: 



Sucks the sap from the stems 

 and developing buds, causing 

 them to drop off. Spray with 

 nicotine solution. 



Stalk Borer : Larva bur- 

 rows up and down inside the 

 main stem, the upper portion 

 usually wilting and dying. 

 Slit the stem lengthwise with 

 care and kill the borer. 



Stalk Borer 



DOGWOOD 



Sawflies: The larvae of several kinds 

 feed upon the different kinds of dogwoods. 

 Spray with hellebore or lead arsenate. 



EGG-PLANT 



Flea-Beetle: See Potato. 

 Colorado Potato Beetle: See Potato. 

 ELM 



Spiny Elm Caterpillar: Black spiny 

 caterpillars in clusters strip certain branches 

 of elm, willow and poplar. Remove cluster 

 and destroy while caterpillars are small, or 

 spray with lead arsenate. 



Elm Leaf 

 Beetle: In May 

 the adults eat 

 holes through the 

 leaves, and in 

 June and July the 

 grubs eat the 

 green tissue from 

 the under j^urf ace. 

 Spray under sur- 

 face of leaves with 

 lead arsenate 

 about June ist to 

 kill the newly 

 hatched grubs. 



Canker 

 „ , Worms: See 



Elm Leaf Beetle Apple. 



White-marked Tussock Moth: See 



Horse Chestnut. 



