INJURIOUS AND BENEFICIAL INSECTS 



15 



June beetle. 



Fig. 16 Lierht-lov- 

 ing grape vine beetle 

 (after Glover) 



Occurs in immense numbers occasionally, and then 

 it fairly riddles grape leaves. 



Treatment: dust vines with lime. Collect and 

 destroy beetles. 



24 Spotted grape vine beetle (P el i d n o t a 

 punctata). A large, yellowish brown, black 

 spotted beetle about 1 inch long, resembling a 

 Its size and , , 



Fig. 17 Spotted j,rapp Mnr bpptle a larvae; h pupa; 

 c adult beetlci d, m, j Buiuur pax ts stiOxigly magnified 

 (after Riley) 



June beetle. 



beauty attract consider- 

 able attention, though 

 the insect is rarely abun- 

 dant enough to do much 

 damage. The larva is 

 one of the white grubs, 

 and lives in decaying 

 roots and stumps of var- 

 ious trees. 



Treatment: handpick- 

 ing. 



25 Grape vine flea 

 beetle (Haltica cha- 

 lybea). Greenish or blue jumping beetles about -J inch long, feed- 

 ing on buds, or brownish, 

 black dotted larvae 

 about 4 inch long, skele- 

 tonizing leaves. The 

 beetles pass the winter 

 in crevices of bark, ap- 

 pearing with warm 

 weather, ready to attack 

 the opening buds. This 

 eairly feeding by the 

 adults causes the most 

 injury and should 

 be vigilantly guarded 

 against. The grubs be- 



PiG. 18 Grape vine flea beetle: a grubs working; ^^^ ^^^"^^ ^Ork aboUt the 

 h grub magnified; o earthen cell of pupa;.(2 adult beetle i jj. a r ■»* 



after Riley) latter part or May. 



