32 1 he Horticulturist' s Rule- Book. 



Peach (Peach-tree Borer), continued. 



apple-tree borers. All preventives are unsatisfactory how- 

 ever, and the only safety is 



Remedy. Dig out the borers in late fall and early spring. 

 RED-LEGGED FLEA-BEETLE (Haltica nifipes}. A flea-beetle 

 feeding on the leaves of peach trees, often in great num- 

 bers. 



Remedies. The insects fall at once upon being jarred, 

 and sheets saturated with kerosene may be used upon which 

 to catch them. Spray with Paris green. 

 ROOT-KNOT. See Root-knot. 

 ROSE BEETLE. See under Rose and Apple. 

 Pear. APPLE-TREE BORER. See under Apple. 

 BUD MOTH. See under Apple. 

 CODLIN MOTH. See under Apple. 

 FLAT-HEADED BORER. See under Apple. 

 PEAR-TREE BORER (Algeria pyri, Harris). A small whitish 

 larva, feeding under the bark of the pear tree. 



Remedy. Same as for round-headed apple-tree borer. 

 PEAR-TWIG BEETLE (Xyleborus pyri, Peck). Brownish or 

 black beetle, one-tenth inch long, boring in twigs, produc 

 ing effect much like pear-blight, and hence often known as 

 "pear-blight beetle." it escapes from a minute perfora- 

 tion at base of a bud ; probably two broods. 



Remedy. Burn twigs before the beetle escapes. 

 ROSE BEETLE. See under Rose and Apple. 

 ROUND-HEADED BORER. See under Apple. 

 SLUG. See under Cherry. 



TWIG-GIRDLER (Oncidei'es cingulatus, Say.). A brownish gray 

 beetle, about one-half inch long, which girdles twigs in 

 August and September. The female lays eggs above the 

 girdle. The twigs soon fall. 



Remedy. Burn the twigs, either cutting them off or 

 gathering them when they fall. 

 TWIG-PRUNER. See under Apple. 

 Persimmon. TWIG-GIRDLER. See under Pear. 



