INJURIOUS INSECTS 



313 



this does not injure the seed. The beans may also be 

 placed in tight box or bin and fumigated with carbon 

 bisulphide. 



BAG WORM OR BASKET WORM. (Tliyridopteryx 

 ephemerae formis Haw.; order Lepidoptera.) The bags 

 covered with short bits of sticks, empty or containing 

 the female egg-sac, conspicuous during winter months. 

 The larva feeds upon both evergreen and deciduous 

 trees. 



Remedies. Arsenites. Hand-picking. 



BARK-LICE. See under Apple. 



Blackberry. CANE BORER. (Obcrea bimaculata 

 Oliv. ; order Coleoptera.) Small slender black beetle. 

 It makes two girdles, an inch apart, near the tip of a 

 cane, and lays egg between girdles. The larva bores 

 down the cane. 



Remedy. When cane-tip wilts, cut off below lower 

 girdle, and burn. 



ROOTGALL-FLY. (Rhodites rod leu in Sacken; order 

 Diptera.) The small larva causes galls on roots of 

 blackberry, raspberry, and rose. The bush appears 

 sickly. Female dies. Do not confound with true root- 

 galls. 



Remedy. Dig up and burn badly affected plants. 



SNOWY TREE CRICKET. (Oecantlius niveus Serv. ; 

 order Orthoptera.) Small whitish insect; cricket-like. 

 Punctures canes to deposit eggs. (See Figure 36.) 



Remedy. Burn infested canes in winter or very 

 early spring. 



BLISTER BEETLE. (Family Meloidse; order Cole- 

 optera. ) Soft, slim, long-necked beetles ; some black 



