130 



A MANUAL OF DANGEEOUS INSECTS. 



Description and biology: Adult, wing expanse 14-15 mm.; forewing yellow, with a 

 large dark brown transverse band; hindwing gray. Two generations. First occurs at 

 time of flowering of grape; second generation in early August (France). Pupates in 

 early winter under bark scales, in crevices of grape stakes, etc. Larva, length 12 mm. , 

 at first whitish, later taking on a rose color. Egg placed singly on blossom clusters 

 and on grapes. (See text fig. 66.) 



Distribution: Europe, Asia Minor, Japan, India. 

 MoNTiLLOT, L. Entomologie et Parisitologie Agricoles, 1904, p. 335. 

 Polychrosls botrana Schiflermiller. 

 (The Pyralid of the Vine. Tortricidae; Lepidoptera.) 

 Host: Grape. 



Injury: Very injurious. Attacks grape blossoms and fruit. 



Description and biology: Adult, wing expanse 12 mm.; forewings pale yellow with 

 three transverse brown lines; hind wings grayish brown. Three annual generations. 



Pupa brown. Larva, length 

 1 cm.; green in color. Eggs 

 deposited on berries and on 

 blossom clusters. (See text 

 fig. 67.) 



Distribution: Germany, 

 Austria - Hungary, Switzer 

 land, France, Italy, Asia 

 Minor. 



MoNTiLLOT, L. Les Insectes 

 Nuisibles, 1891, p. 120. 



GuENAUx, G. Entomologie 

 et Parasitologie Agricoles, 

 1904, p. 340. 



IMPORTANT GRAPE 

 INSECTS. 



HEMIPTERA. 



Coccidae: 



Armored — 

 Aspidiotus (Evaspidiotus) labia- 

 tarum Marchal; Corsica, Italy. 

 Aspidiotus {Pseudaonidia) arti- 

 culatus Morgan; West Indies. 

 Aspidiotus (Pseudaonidia) tes- 

 serata De Charmoy; Mauri- 

 tius, Mexico, Antigua. 



Aspidiotus ( Chrysomphalus) pedroniformis Cockerell and Robinson; Philippines; Vitis vinifera. 

 Aspidiotus (Pseudaonidia) fossor Newstead; Barbados. 



Aspidiotus ( Targionia) vitis Signoret; France, Algiers, Germany, Italy, Sicily. 

 Ohionaspis vitis Green; Ceylon, Japan. 

 Unarmored— 

 Cryptinglisia lounsburyi Cockerell; on roots; Cape Colony. 

 Gueriniella serratulx Fabricius; Algeria; Europe. 

 Icerya palmeri Riley & Howard; Mexico. 

 ^Lecanium persicx Fabricius; Australia, France, Italy, Caucasus, California. 

 Lecanium vini Bouch4; France. 

 Neolecanium silveirai ITempel; on roots; Brazil. 

 i^Palseococcus rosx Riley & Howard; Jamaica. 

 Pseudococcus fiJamcntosus Cockerell; Japan, Hawaii. 

 Pseudococcus subterrancus Hempel; on roots; Argentina. 

 Pseudococcus vitis Nicdielski; North Africa, France, Europe, Palestine. 

 Pulvinaria vinifera King. 

 RMzrecus falcifcr Kiinckel; France, Algeria. 

 Solenococcus muratss Kuwana; Japan. 

 Lygaeidae. 



I^ysius vinitor Bergroth; Australia. (See Fruit.) 



Fig. 



-Grape worm (Clysia ambiguella): Adult, pupse, larvse, 

 egg, and injured grapes. (Silvestri, Sorauer.) 



