Injurious Insects. 



Pineapple. KATYDID (Acanthacara similis}. A large katy- 

 did which attacks, among other plants, the leaves of the 

 pineapple. 



Remedies. Arsenites, before the plants are mature. 

 Plant -lice. See Aphides. 

 Plum. BUD MOTH. See under Apple. 

 CANKER-WORM. See under Apple. 



CURCULIO (Conotrachelus nenuphar, Herbst.). Larva, a whit- 

 ish grub, feeding in the fruit. 



Remedies. Arsenites, applied as soon as the calyx falls 

 and repeat two or three times at intervals of about ten 

 days. Plaster and carbolic acid mixture. Jarring the 

 beetles on sheets very early in the morning, beginning 

 when trees are in flower and continuing from four to six 

 weeks. Catching beetles under chips or blocks about base 

 of tree, the insects being taken very early in the morning. 

 FLAT-HEADED BORER. See under Apple. 

 PEAR-TWIG BEETLE. See under Pear. 



PLUM-GOUGER {Coccotoris scutellatis, Sec.). A small larva, 

 feeding upon the kernel of the' plum. The beetle bores a 

 round hole in the plum, instead of making a crescent mark 

 like the curculio. 



Remedy. Same as for curculio. 

 TWIG-PRUNERS. See under Apple. 

 SLUG. See under Cherry. 



Poplar. COTTONWOOD LEAF-BEETLE (Lina scripta^ Riley). 

 A striped beetle feeding on the leaves and shoots of 

 poplars and willows. 



Remedy. Arsenites. 

 WILLOW-WORM. See under Willow. 



Potato. COLORADO POTATO-BEETLE (Doryphora decem- 

 lineata, Say). Beetle and larva feed upon the leaves. 



Remedies. Arsenites. Hand-picking the beetle. 

 MOLE CRICKET (Gryllotolpa borealis, Burm.). Mature insect, 

 curiously formed, whitish, feeding on tubers in low and 

 mucky ground. 



Preventive. Plant potatoes on upland. 

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