64 



520. TWO-STRIPED TORTOISE-BEETLE. 



Cassida bivittata Say. « 



Remedies: Same as for No. 519. 



Chief Article: Riley, 2d Kept. Ins. Mo., pp. 61-62. 



521. BLACK-LEGGED TORTOISE-BEETLE. 



Cassida nigripes Oliv. 



Remedies : Same as for No. 519. 



Chief Article: Riley, 2d Rept. Ins. Mo., pp. 63-64. 



522. GREEN TORTOISE-BEETLE. 



Physonota unipunctata Say. 



523. SWEET-POTATO HAWK-MOTH. 



Macrosila cingulata Fab. 



Remedy: Arsenicals. 



524. SWEET-POTATO SAW-FLY. 



Schizooerus ebenus Nort. 



Remedies : Arsenicals ; hellebore. 



Chief Article: Riley and Howard, "Insect Life," vol. I., p. 43. 



525. LARGER SWEET-POTATO SAW-FLY. 



Schizocerus privatus Nort. 



Remedies: Arsenicals; hellebore. 



Chief Article: Marlatt, "Insect Life," vol. iv., p. 24. 



INSECTS AFFECTIIVG THE TOIATO. 



(Ly coper sicum esculentum.) 



526. COLORADO POTATO-BEETLE. 



Doryphora 10-lineata Say. 



Remedies: ) g ~ 534 



Chief Articles: J bee * ' M4 ' 



527. BOLL WORM. 



Heliothis armiger Hiibn. 



Remedies: ) g - 254 



Chief Articles: }»eeJNo.J04. 



528. TOMATO WORM. 



Protoparce celeus Say. 



Remedy : Hand picking. 



Chief Articles: Harris, Ins. Inj. to Veg., pp. 320-321 ; Riley, 1st 

 Rept. Ins. Mo., pp. 95-96. 



' 



